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-rw-r--r--bootstrap/bin/no_dot_erlang.bootbin5949 -> 5949 bytes
-rw-r--r--bootstrap/bin/start.bootbin5949 -> 5949 bytes
-rw-r--r--bootstrap/bin/start_clean.bootbin5949 -> 5949 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_a.beambin2600 -> 2716 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_asm.beambin11288 -> 11332 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_block.beambin10036 -> 12036 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_bs.beambin5516 -> 5464 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_bsm.beambin11980 -> 11936 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_clean.beambin6380 -> 6552 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_dead.beambin12884 -> 13052 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_dict.beambin5068 -> 5060 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_disasm.beambin21604 -> 21680 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_except.beambin3244 -> 3216 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_flatten.beambin2844 -> 2988 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_jump.beambin8980 -> 8968 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_opcodes.beambin7176 -> 7304 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_peep.beambin2896 -> 2872 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_receive.beambin6156 -> 6112 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_record.beambin2264 -> 2236 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_reorder.beambin1940 -> 1904 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_split.beambin2136 -> 2168 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_trim.beambin7508 -> 7508 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_type.beambin17668 -> 17964 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_utils.beambin21484 -> 21896 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_validator.beambin29016 -> 30012 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_z.beambin2712 -> 3284 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/cerl.beambin30060 -> 30040 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/cerl_clauses.beambin2936 -> 2932 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/cerl_inline.beambin37736 -> 37664 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/cerl_trees.beambin20864 -> 20864 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/compile.beambin41352 -> 41332 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/core_lint.beambin12720 -> 12716 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/core_parse.beambin62500 -> 62024 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/core_pp.beambin11708 -> 11704 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/core_scan.beambin6680 -> 6672 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_core_alias.beambin6016 -> 5984 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_core_bsm.beambin5148 -> 5120 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_core_dsetel.beambin6752 -> 6708 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_core_fold.beambin46424 -> 47428 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_core_fold_lists.beambin4432 -> 4408 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_core_inline.beambin3984 -> 3976 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_pre_attributes.beambin2724 -> 2716 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_codegen.beambin64364 -> 64756 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_core.beambin57760 -> 57684 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_kernel.beambin55996 -> 55868 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_kernel_pp.beambin12456 -> 12456 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/application_controller.beambin30752 -> 30688 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/application_master.beambin6356 -> 6344 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/application_starter.beambin1196 -> 1188 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/auth.beambin6312 -> 6312 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/code.beambin13104 -> 13100 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/code_server.beambin23952 -> 24000 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/disk_log.beambin31896 -> 31848 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/disk_log_1.beambin23964 -> 23888 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/disk_log_server.beambin6364 -> 6360 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/dist_ac.beambin24872 -> 24844 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/dist_util.beambin12168 -> 12140 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/erl_boot_server.beambin5760 -> 5744 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/erl_epmd.beambin7184 -> 7176 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/erl_signal_handler.beambin956 -> 956 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/error_handler.beambin1628 -> 1596 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/error_logger.beambin6280 -> 6280 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/erts_debug.beambin6008 -> 6004 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/file.beambin14088 -> 14052 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/file_io_server.beambin15716 -> 15700 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/global.beambin31248 -> 31240 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/global_group.beambin17020 -> 16916 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/group.beambin14652 -> 14636 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/group_history.beambin5728 -> 5720 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/heart.beambin5352 -> 5352 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/hipe_unified_loader.beambin12500 -> 12496 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet.beambin23224 -> 23220 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_config.beambin7532 -> 7532 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_db.beambin26416 -> 26404 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_dns.beambin19116 -> 19112 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_gethost_native.beambin10096 -> 10084 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_hosts.beambin2120 -> 2128 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_parse.beambin13804 -> 13792 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_res.beambin14256 -> 14256 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_tcp_dist.beambin7376 -> 7364 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/inet_udp.beambin1924 -> 1924 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/kernel.app2
-rw-r--r--bootstrap/lib/kernel/ebin/net_adm.beambin2920 -> 2920 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/net_kernel.beambin25612 -> 25580 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/os.beambin4876 -> 5148 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/pg2.beambin7860 -> 7860 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/raw_file_io_deflate.beambin2704 -> 2704 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/raw_file_io_inflate.beambin4240 -> 4240 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/rpc.beambin7984 -> 7984 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/user.beambin11496 -> 11488 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/wrap_log_reader.beambin3124 -> 3124 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/array.beambin11776 -> 11776 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/beam_lib.beambin19440 -> 19436 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/binary.beambin2760 -> 2952 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/c.beambin17452 -> 17420 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/calendar.beambin4972 -> 4960 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/dets.beambin48896 -> 48872 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/dets_server.beambin6744 -> 6732 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/dets_utils.beambin27204 -> 27260 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/dets_v9.beambin47860 -> 47804 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/dict.beambin9520 -> 9516 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/digraph.beambin7876 -> 7852 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/edlin.beambin10996 -> 10952 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/edlin_expand.beambin3984 -> 3976 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/epp.beambin27724 -> 27708 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_bits.beambin2468 -> 2452 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_compile.beambin7168 -> 7168 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_eval.beambin30304 -> 30268 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_expand_records.beambin21740 -> 21732 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_lint.beambin92196 -> 92104 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_parse.beambin97948 -> 97400 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_pp.beambin26624 -> 26616 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_tar.beambin32328 -> 33388 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/error_logger_file_h.beambin4060 -> 4056 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/error_logger_tty_h.beambin4936 -> 4936 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/escript.beambin16864 -> 16848 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/ets.beambin22292 -> 22268 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/eval_bits.beambin8144 -> 8144 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/file_sorter.beambin29256 -> 29132 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/filelib.beambin10692 -> 10688 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/filename.beambin15124 -> 15096 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/gb_sets.beambin8388 -> 8400 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/gen.beambin5504 -> 5504 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/gen_event.beambin13460 -> 13432 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/gen_fsm.beambin11068 -> 11048 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/gen_server.beambin14600 -> 14352 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/gen_statem.beambin17908 -> 19656 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/io.beambin6028 -> 6020 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/io_lib.beambin12052 -> 12040 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/io_lib_format.beambin13268 -> 13268 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/io_lib_pretty.beambin17064 -> 17048 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/lib.beambin14980 -> 14968 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/lists.beambin29860 -> 29872 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/ms_transform.beambin19456 -> 19440 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/pool.beambin3744 -> 3744 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/proc_lib.beambin11620 -> 11568 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/proplists.beambin4708 -> 4708 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/qlc.beambin68916 -> 68796 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/qlc_pt.beambin75060 -> 75004 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/queue.beambin6144 -> 6124 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/re.beambin13256 -> 13240 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/sets.beambin6524 -> 6524 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/shell.beambin29848 -> 29796 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/slave.beambin4736 -> 4740 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/sofs.beambin37520 -> 37420 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/string.beambin35608 -> 35368 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/supervisor.beambin21924 -> 21880 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/sys.beambin8364 -> 8356 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/unicode_util.beambin194732 -> 194724 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/uri_string.beambin26552 -> 26712 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/win32reg.beambin5356 -> 5356 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/zip.beambin26232 -> 26148 bytes
-rw-r--r--bootstrap/lib/stdlib/include/assert.hrl22
-rw-r--r--erts/configure.in21
-rw-r--r--erts/doc/src/erl_nif.xml11
-rw-r--r--erts/doc/src/erlang.xml1631
-rw-r--r--erts/doc/src/erts_alloc.xml59
-rw-r--r--erts/doc/src/notes.xml44
-rw-r--r--erts/emulator/beam/atom.names4
-rw-r--r--erts/emulator/beam/bif.c17
-rw-r--r--erts/emulator/beam/bif.tab4
-rw-r--r--erts/emulator/beam/binary.c5
-rw-r--r--erts/emulator/beam/break.c21
-rw-r--r--erts/emulator/beam/bs_instrs.tab3
-rw-r--r--erts/emulator/beam/copy.c9
-rw-r--r--erts/emulator/beam/erl_alloc.c173
-rw-r--r--erts/emulator/beam/erl_alloc.h2
-rw-r--r--erts/emulator/beam/erl_alloc_util.c868
-rw-r--r--erts/emulator/beam/erl_alloc_util.h153
-rw-r--r--erts/emulator/beam/erl_ao_firstfit_alloc.c291
-rw-r--r--erts/emulator/beam/erl_ao_firstfit_alloc.h16
-rw-r--r--erts/emulator/beam/erl_bif_binary.c191
-rw-r--r--erts/emulator/beam/erl_bif_port.c21
-rw-r--r--erts/emulator/beam/erl_db.c28
-rw-r--r--erts/emulator/beam/erl_gc.c146
-rw-r--r--erts/emulator/beam/erl_gc.h25
-rw-r--r--erts/emulator/beam/erl_goodfit_alloc.c12
-rw-r--r--erts/emulator/beam/erl_init.c1
-rw-r--r--erts/emulator/beam/erl_io_queue.c36
-rw-r--r--erts/emulator/beam/erl_message.c6
-rw-r--r--erts/emulator/beam/erl_nif.c317
-rw-r--r--erts/emulator/beam/erl_nif.h3
-rw-r--r--erts/emulator/beam/erl_port.h39
-rw-r--r--erts/emulator/beam/erl_port_task.c25
-rw-r--r--erts/emulator/beam/erl_process.c253
-rw-r--r--erts/emulator/beam/erl_process.h155
-rw-r--r--erts/emulator/beam/erl_process_dump.c76
-rw-r--r--erts/emulator/beam/erl_trace.c30
-rw-r--r--erts/emulator/beam/global.h2
-rw-r--r--erts/emulator/beam/io.c117
-rw-r--r--erts/emulator/beam/utils.c3
-rw-r--r--erts/emulator/hipe/hipe_gc.c16
-rw-r--r--erts/emulator/internal_doc/CarrierMigration.md138
-rw-r--r--erts/emulator/nifs/unix/unix_prim_file.c19
-rw-r--r--erts/emulator/sys/unix/erl_child_setup.c15
-rw-r--r--erts/emulator/test/alloc_SUITE.erl142
-rw-r--r--erts/emulator/test/alloc_SUITE_data/allocator_test.h5
-rw-r--r--erts/emulator/test/alloc_SUITE_data/migration.c112
-rw-r--r--erts/emulator/test/binary_SUITE.erl1
-rw-r--r--erts/emulator/test/efile_SUITE.erl21
-rw-r--r--erts/emulator/test/iovec_SUITE.erl46
-rw-r--r--erts/emulator/test/nif_SUITE.erl30
-rw-r--r--erts/etc/common/erlexec.c2
-rw-r--r--erts/etc/common/inet_gethost.c4
-rw-r--r--erts/etc/unix/etp-commands.in4
-rw-r--r--erts/lib_src/common/erl_printf_format.c2
-rw-r--r--erts/preloaded/ebin/erl_prim_loader.beambin54268 -> 54160 bytes
-rw-r--r--erts/preloaded/ebin/erlang.beambin103008 -> 102992 bytes
-rw-r--r--erts/preloaded/src/erl_prim_loader.erl2
-rw-r--r--erts/preloaded/src/erlang.erl18
-rw-r--r--erts/test/z_SUITE.erl2
-rw-r--r--erts/vsn.mk2
-rw-r--r--lib/asn1/src/asn1ct_gen_per.erl18
-rw-r--r--lib/compiler/src/beam_block.erl45
-rw-r--r--lib/compiler/src/beam_clean.erl21
-rw-r--r--lib/compiler/src/beam_flatten.erl3
-rw-r--r--lib/compiler/src/beam_split.erl7
-rw-r--r--lib/compiler/src/beam_type.erl619
-rw-r--r--lib/compiler/src/beam_utils.erl105
-rw-r--r--lib/compiler/src/beam_validator.erl31
-rw-r--r--lib/compiler/test/beam_type_SUITE.erl25
-rw-r--r--lib/compiler/test/beam_validator_SUITE.erl12
-rw-r--r--lib/compiler/test/beam_validator_SUITE_data/bad_try_catch_nesting.S64
-rw-r--r--lib/crypto/test/engine_SUITE.erl7
-rw-r--r--lib/debugger/src/dbg_ieval.erl2
-rw-r--r--lib/debugger/test/int_eval_SUITE.erl9
-rw-r--r--lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl4
-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl21
-rw-r--r--lib/dialyzer/src/dialyzer_plt.erl20
-rw-r--r--lib/dialyzer/test/opaque_SUITE_data/src/para_bug/same.erl15
-rw-r--r--lib/dialyzer/test/opaque_SUITE_data/src/para_bug/same_type.erl13
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/record_match3
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/record_match.erl17
-rw-r--r--lib/diameter/doc/src/diameter.xml14
-rw-r--r--lib/diameter/src/base/diameter_reg.erl17
-rw-r--r--lib/diameter/src/base/diameter_service.erl22
-rw-r--r--lib/diameter/src/diameter.appup.src15
-rw-r--r--lib/diameter/vsn.mk4
-rw-r--r--lib/hipe/icode/hipe_icode_inline_bifs.erl22
-rw-r--r--lib/inets/doc/src/http_client.xml15
-rw-r--r--lib/inets/doc/src/http_uri.xml35
-rw-r--r--lib/inets/doc/src/httpc.xml18
-rw-r--r--lib/inets/src/http_client/httpc.erl56
-rw-r--r--lib/inets/src/http_client/httpc_handler.erl34
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-rw-r--r--lib/inets/src/http_lib/http_uri.erl43
-rw-r--r--lib/inets/src/inets_app/inets.appup.src4
-rw-r--r--lib/inets/test/http_test_lib.erl21
-rw-r--r--lib/inets/test/httpc_SUITE.erl112
-rw-r--r--lib/inets/vsn.mk2
-rw-r--r--lib/kernel/doc/src/file.xml3
-rw-r--r--lib/kernel/doc/src/inet.xml19
-rw-r--r--lib/kernel/doc/src/inet_res.xml6
-rw-r--r--lib/kernel/doc/src/notes.xml20
-rw-r--r--lib/kernel/doc/src/os.xml41
-rw-r--r--lib/kernel/doc/src/rpc.xml11
-rw-r--r--lib/kernel/src/code_server.erl27
-rw-r--r--lib/kernel/src/inet.erl17
-rw-r--r--lib/kernel/src/inet_hosts.erl5
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-rw-r--r--lib/kernel/src/os.erl41
-rw-r--r--lib/kernel/src/rpc.erl10
-rw-r--r--lib/kernel/test/erl_distribution_SUITE.erl8
-rw-r--r--lib/kernel/test/inet_SUITE.erl33
-rw-r--r--lib/kernel/test/os_SUITE.erl18
-rw-r--r--lib/kernel/vsn.mk2
-rw-r--r--lib/observer/src/cdv_port_cb.erl17
-rw-r--r--lib/observer/src/cdv_proc_cb.erl4
-rw-r--r--lib/observer/src/cdv_sched_cb.erl18
-rw-r--r--lib/observer/src/crashdump_viewer.erl188
-rw-r--r--lib/observer/src/crashdump_viewer.hrl16
-rw-r--r--lib/observer/test/crashdump_viewer_SUITE.erl4
-rw-r--r--lib/runtime_tools/doc/src/notes.xml17
-rw-r--r--lib/runtime_tools/src/erts_alloc_config.erl8
-rw-r--r--lib/runtime_tools/src/system_information.erl40
-rw-r--r--lib/runtime_tools/vsn.mk2
-rw-r--r--lib/sasl/doc/src/release_handler.xml2
-rw-r--r--lib/sasl/doc/src/systools.xml6
-rw-r--r--lib/sasl/src/systools_make.erl20
-rw-r--r--lib/sasl/test/systools_SUITE.erl37
-rw-r--r--lib/snmp/doc/src/snmp_impl_example_agent.xml10
-rw-r--r--lib/ssh/doc/src/notes.xml158
-rw-r--r--lib/ssh/doc/src/ssh.xml12
-rw-r--r--lib/ssh/doc/src/ssh_sftp.xml7
-rw-r--r--lib/ssh/src/ssh.erl3
-rw-r--r--lib/ssh/src/ssh.hrl2
-rw-r--r--lib/ssh/src/ssh_acceptor_sup.erl5
-rw-r--r--lib/ssh/src/ssh_channel_sup.erl11
-rw-r--r--lib/ssh/src/ssh_cli.erl17
-rw-r--r--lib/ssh/src/ssh_connection.erl28
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl53
-rw-r--r--lib/ssh/src/ssh_connection_sup.erl5
-rw-r--r--lib/ssh/src/ssh_options.erl8
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diff --git a/bootstrap/lib/kernel/ebin/inet_tcp_dist.beam b/bootstrap/lib/kernel/ebin/inet_tcp_dist.beam
index 4575ad2d9b..2aa0a7270a 100644
--- a/bootstrap/lib/kernel/ebin/inet_tcp_dist.beam
+++ b/bootstrap/lib/kernel/ebin/inet_tcp_dist.beam
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diff --git a/bootstrap/lib/kernel/ebin/inet_udp.beam b/bootstrap/lib/kernel/ebin/inet_udp.beam
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index 4979bf69b5..d027eb6bcb 100644
--- a/bootstrap/lib/kernel/ebin/kernel.app
+++ b/bootstrap/lib/kernel/ebin/kernel.app
@@ -22,7 +22,7 @@
{application, kernel,
[
{description, "ERTS CXC 138 10"},
- {vsn, "5.4.1"},
+ {vsn, "5.4.2"},
{modules, [application,
application_controller,
application_master,
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index abf6451cb0..0cec9f4be8 100644
--- a/bootstrap/lib/stdlib/ebin/sys.beam
+++ b/bootstrap/lib/stdlib/ebin/sys.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/unicode_util.beam b/bootstrap/lib/stdlib/ebin/unicode_util.beam
index 12280f5e58..ab18c78028 100644
--- a/bootstrap/lib/stdlib/ebin/unicode_util.beam
+++ b/bootstrap/lib/stdlib/ebin/unicode_util.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/uri_string.beam b/bootstrap/lib/stdlib/ebin/uri_string.beam
index 5880b38385..95b7a2e6ae 100644
--- a/bootstrap/lib/stdlib/ebin/uri_string.beam
+++ b/bootstrap/lib/stdlib/ebin/uri_string.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/win32reg.beam b/bootstrap/lib/stdlib/ebin/win32reg.beam
index 93f6458657..3194d09463 100644
--- a/bootstrap/lib/stdlib/ebin/win32reg.beam
+++ b/bootstrap/lib/stdlib/ebin/win32reg.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/zip.beam b/bootstrap/lib/stdlib/ebin/zip.beam
index e6ba80cc7d..3e19c83090 100644
--- a/bootstrap/lib/stdlib/ebin/zip.beam
+++ b/bootstrap/lib/stdlib/ebin/zip.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/include/assert.hrl b/bootstrap/lib/stdlib/include/assert.hrl
index 2fbaeba0b2..2ec89e7d8a 100644
--- a/bootstrap/lib/stdlib/include/assert.hrl
+++ b/bootstrap/lib/stdlib/include/assert.hrl
@@ -309,7 +309,7 @@
{unexpected_success, __V}]})
catch
Class:Term -> ok;
- __C:__T ->
+ __C:__T:__S ->
erlang:error({assertException,
[{module, ?MODULE},
{line, ?LINE},
@@ -318,8 +318,7 @@
"{ "++(??Class)++" , "++(??Term)
++" , [...] }"},
{unexpected_exception,
- {__C, __T,
- erlang:get_stacktrace()}}]})
+ {__C, __T, __S}}]})
end
end)())
end).
@@ -338,7 +337,7 @@
{unexpected_success, __V}]})
catch
Class:Term -> ok;
- __C:__T ->
+ __C:__T:__S ->
erlang:error({assertException,
[{module, ?MODULE},
{line, ?LINE},
@@ -348,8 +347,7 @@
"{ "++(??Class)++" , "++(??Term)
++" , [...] }"},
{unexpected_exception,
- {__C, __T,
- erlang:get_stacktrace()}}]})
+ {__C, __T, __S}}]})
end
end)())
end).
@@ -378,7 +376,7 @@
try (Expr) of
_ -> ok
catch
- __C:__T ->
+ __C:__T:__S ->
case __C of
Class ->
case __T of
@@ -391,9 +389,7 @@
"{ "++(??Class)++" , "
++(??Term)++" , [...] }"},
{unexpected_exception,
- {__C, __T,
- erlang:get_stacktrace()
- }}]});
+ {__C, __T, __S}}]});
_ -> ok
end;
_ -> ok
@@ -407,7 +403,7 @@
try (Expr) of
_ -> ok
catch
- __C:__T ->
+ __C:__T:__S ->
case __C of
Class ->
case __T of
@@ -421,9 +417,7 @@
"{ "++(??Class)++" , "
++(??Term)++" , [...] }"},
{unexpected_exception,
- {__C, __T,
- erlang:get_stacktrace()
- }}]});
+ {__C, __T, __S}}]});
_ -> ok
end;
_ -> ok
diff --git a/erts/configure.in b/erts/configure.in
index dd6c52b079..b2435f1ac9 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -1760,6 +1760,25 @@ if test $ac_cv_sizeof_void_p = 8; then
fi
AC_SUBST(BITS64)
+AC_MSG_CHECKING([for C compiler 'restrict' support])
+restrict_keyword=""
+for x in restrict __restrict; do
+ AC_TRY_COMPILE([int * $x foo(int * $x arg);
+ int * $x foo(int * $x arg)
+ { int * $x var=arg; return var;}
+ ],[],
+ [restrict_keyword=$x],[])
+ if test "x$restrict_keyword" != "x"; then
+ break
+ fi
+done
+AC_DEFINE_UNQUOTED(ERTS_RESTRICT,[$restrict_keyword],[Type qualifier restrict])
+if test "x$restrict_keyword" != "x"; then
+ AC_MSG_RESULT(yes)
+else
+ AC_MSG_RESULT(no)
+fi
+
if test "x$ac_compiler_gnu" = "xyes"; then
AC_MSG_CHECKING([if we should add -fno-tree-copyrename to CFLAGS for computed gotos to work properly])
AC_TRY_COMPILE([],[
@@ -1779,8 +1798,6 @@ else
AC_MSG_RESULT(no)
fi
-
-
AC_MSG_CHECKING([for broken gcc-4.3.0 compiler])
AC_TRY_RUN([
/* pr36339.c */
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml
index 23f0c66429..f2f380ca4e 100644
--- a/erts/doc/src/erl_nif.xml
+++ b/erts/doc/src/erl_nif.xml
@@ -974,6 +974,10 @@ typedef struct {
<seealso marker="#enif_make_binary"><c>enif_make_binary</c></seealso>.
An allocated (and owned) <c>ErlNifBinary</c> can be kept between NIF
calls.</p>
+ <p>If you do not need to reallocate or keep the data alive across NIF
+ calls, consider using <seealso marker="#enif_make_new_binary">
+ <c>enif_make_new_binary</c></seealso> instead as it will allocate
+ small binaries on the process heap when possible.</p>
<p>Returns <c>true</c> on success, or <c>false</c> if allocation
fails.</p>
</desc>
@@ -3060,9 +3064,10 @@ if (retval &amp; ERL_NIF_SELECT_STOP_CALLED) {
</name>
<fsummary>Get the pid of the calling process.</fsummary>
<desc>
- <p>Initializes the pid variable <c>*pid</c> to represent the
- calling process.</p>
- <p>Returns <c>pid</c>.</p>
+ <p>Initializes the <seealso marker="#ErlNifPid"><c>ErlNifPid</c></seealso>
+ variable at <c>*pid</c> to represent the calling process.</p>
+ <p>Returns <c>pid</c> if successful, or NULL if <c>caller_env</c> is not
+ a <seealso marker="#ErlNifEnv">process-bound environment</seealso>.</p>
</desc>
</func>
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 24e0773e41..56eaa47af4 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -6753,17 +6753,20 @@ lists:map(
be included in the result. That is, all scheduler threads
that are expected to handle CPU bound work. If you also
want information about dirty I/O schedulers, use
- <seealso marker="#statistics_scheduler_wall_time_all"><c>statistics(scheduler_wall_time_all)</c></seealso>
+ <seealso marker="#statistics_scheduler_wall_time_all">
+ <c>statistics(scheduler_wall_time_all)</c></seealso>
instead.</p>
<p>Normal schedulers will have scheduler identifiers in
the range <c>1 =&lt; <anno>SchedulerId</anno> =&lt;
- </c><seealso marker="#system_info_schedulers"><c>erlang:system_info(schedulers)</c></seealso>.
+ </c><seealso marker="#system_info_schedulers">
+ <c>erlang:system_info(schedulers)</c></seealso>.
Dirty CPU schedulers will have scheduler identifiers in
the range <c>erlang:system_info(schedulers) &lt;
<anno>SchedulerId</anno> =&lt; erlang:system_info(schedulers)
+
- </c><seealso marker="#system_info_dirty_cpu_schedulers"><c>erlang:system_info(dirty_cpu_schedulers)</c></seealso>.
+ </c><seealso marker="#system_info_dirty_cpu_schedulers">
+ <c>erlang:system_info(dirty_cpu_schedulers)</c></seealso>.
</p>
<note><p>The different types of schedulers handle
specific types of jobs. Every job is assigned to a specific
@@ -6839,13 +6842,16 @@ ok
schedulers.</p>
<p>Dirty IO schedulers will have scheduler identifiers in
the range
- <seealso marker="#system_info_schedulers"><c>erlang:system_info(schedulers)</c></seealso><c>
+ <seealso marker="#system_info_schedulers">
+ <c>erlang:system_info(schedulers)</c></seealso><c>
+
- </c><seealso marker="#system_info_dirty_cpu_schedulers"><c>erlang:system_info(dirty_cpu_schedulers)</c></seealso><c> &lt;
+ </c><seealso marker="#system_info_dirty_cpu_schedulers">
+ <c>erlang:system_info(dirty_cpu_schedulers)</c></seealso><c> &lt;
<anno>SchedulerId</anno> =&lt; erlang:system_info(schedulers)
+ erlang:system_info(dirty_cpu_schedulers)
+
- </c><seealso marker="#system_info_dirty_io_schedulers"><c>erlang:system_info(dirty_io_schedulers)</c></seealso>.</p>
+ </c><seealso marker="#system_info_dirty_io_schedulers">
+ <c>erlang:system_info(dirty_io_schedulers)</c></seealso>.</p>
<note><p>Note that work executing on dirty I/O schedulers
are expected to mainly wait for I/O. That is, when you
get high scheduler utilization on dirty I/O schedulers,
@@ -7116,6 +7122,23 @@ ok
<func>
<name name="system_flag" arity="2" clause_i="4"/>
+ <fsummary>Set system flag for erts_alloc.</fsummary>
+ <desc>
+ <p>Sets system flags for
+ <seealso marker="erts:erts_alloc"><c>erts_alloc(3)</c></seealso>.
+ <c><anno>Alloc</anno></c> is the allocator to affect, for example
+ <c>binary_alloc</c>. <c><anno>F</anno></c> is the flag to change and
+ <c><anno>V</anno></c> is the new value.</p>
+ <p>Only a subset of all <c>erts_alloc</c> flags can be changed
+ at run time. This subset is currently only the flag
+ <seealso marker="erts:erts_alloc#M_sbct"><c>sbct</c></seealso>.</p>
+ <p>Returns <c>ok</c> if the flag was set or <c>notsup</c> if not
+ supported by <c>erts_alloc</c>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="system_flag" arity="2" clause_i="5"/>
<fsummary>Set system flag fullsweep_after.</fsummary>
<desc>
<p>Sets system flag <c>fullsweep_after</c>.
@@ -7134,7 +7157,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="5"
+ <name name="system_flag" arity="2" clause_i="6"
anchor="system_flag_microstate_accounting"/>
<fsummary>Set system flag microstate_accounting.</fsummary>
<desc>
@@ -7148,7 +7171,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="6"/>
+ <name name="system_flag" arity="2" clause_i="7"/>
<fsummary>Set system flag min_heap_size.</fsummary>
<desc>
<p>Sets the default minimum heap size for processes. The size
@@ -7163,7 +7186,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="7"/>
+ <name name="system_flag" arity="2" clause_i="8"/>
<fsummary>Set system flag min_bin_vheap_size.</fsummary>
<desc>
<p>Sets the default minimum binary virtual heap size for
@@ -7180,7 +7203,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="8"
+ <name name="system_flag" arity="2" clause_i="9"
anchor="system_flag_max_heap_size"/>
<fsummary>Set system flag max_heap_size.</fsummary>
<type name="max_heap_size"/>
@@ -7198,7 +7221,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="9"
+ <name name="system_flag" arity="2" clause_i="10"
anchor="system_flag_multi_scheduling"/>
<fsummary>Set system flag multi_scheduling.</fsummary>
<desc>
@@ -7254,7 +7277,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="10"
+ <name name="system_flag" arity="2" clause_i="11"
anchor="system_flag_scheduler_bind_type"/>
<fsummary>Set system flag scheduler_bind_type.</fsummary>
<type name="scheduler_bind_type"/>
@@ -7381,7 +7404,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="11"
+ <name name="system_flag" arity="2" clause_i="12"
anchor="system_flag_scheduler_wall_time"/>
<fsummary>Set system flag scheduler_wall_time.</fsummary>
<desc>
@@ -7394,7 +7417,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="12"
+ <name name="system_flag" arity="2" clause_i="13"
anchor="system_flag_schedulers_online"/>
<fsummary>Set system flag schedulers_online.</fsummary>
<desc>
@@ -7423,7 +7446,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="13"/>
+ <name name="system_flag" arity="2" clause_i="14"/>
<fsummary>Set system flag trace_control_word.</fsummary>
<desc>
<p>Sets the value of the node trace control word to
@@ -7437,7 +7460,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="14"
+ <name name="system_flag" arity="2" clause_i="15"
anchor="system_flag_time_offset"/>
<fsummary>Finalize the time offset.</fsummary>
<desc>
@@ -7467,11 +7490,144 @@ ok
</func>
<func>
- <name name="system_info" arity="1" clause_i="1"/>
- <name name="system_info" arity="1" clause_i="2"/>
- <name name="system_info" arity="1" clause_i="3"/>
- <name name="system_info" arity="1" clause_i="4"/>
- <name name="system_info" arity="1" clause_i="5"/>
+ <name name="system_info" arity="1" clause_i="75"/>
+ <fsummary>System info overview.</fsummary>
+ <desc>
+ <p>Returns information about the current system.
+ The documentation of this function is broken into the following
+ sections in order to make it easier to navigate.</p>
+ <taglist>
+ <tag><seealso marker="#system_info_allocator">
+ <c>Memory Allocation</c></seealso></tag>
+ <item>
+ <p>
+ <seealso marker="#system_info_allocated_areas"><c>allocated_areas</c></seealso>,
+ <seealso marker="#system_info_allocator"><c>allocator</c></seealso>,
+ <seealso marker="#system_info_alloc_util_allocators"><c>alloc_util_allocators</c></seealso>,
+ <seealso marker="#system_info_allocator_sizes"><c>allocator_sizes</c></seealso>,
+ <seealso marker="#system_info_elib_malloc"><c>elib_malloc</c></seealso>
+ </p>
+ </item>
+ <tag><seealso marker="#system_info_cpu_topology">
+ <c>CPU Topology</c></seealso></tag>
+ <item>
+ <p>
+ <seealso marker="#system_info_cpu_topology"><c>cpu_topology</c></seealso>,
+ <seealso marker="#system_info_logical_processors"><c>logical_processors</c></seealso>,
+ <seealso marker="#system_info_update_cpu_info"><c>update_cpu_info</c></seealso>
+ </p>
+ </item>
+ <tag><seealso marker="#system_info_process">
+ <c>Process Information</c></seealso></tag>
+ <item>
+ <p>
+ <seealso marker="#system_info_fullsweep_after"><c>fullsweep_after</c></seealso>,
+ <seealso marker="#system_info_garbage_collection"><c>garbage_collection</c></seealso>,
+ <seealso marker="#system_info_heap_sizes"><c>heap_sizes</c></seealso>,
+ <seealso marker="#system_info_heap_type"><c>heap_type</c></seealso>,
+ <seealso marker="#system_info_max_heap_size"><c>max_heap_size</c></seealso>,
+ <seealso marker="#system_info_message_queue_data"><c>message_queue_data</c></seealso>,
+ <seealso marker="#system_info_min_heap_size"><c>min_heap_size</c></seealso>,
+ <seealso marker="#system_info_min_bin_vheap_size"><c>min_bin_vheap_size</c></seealso>,
+ <seealso marker="#system_info_procs"><c>procs</c></seealso>
+ </p>
+ </item>
+ <tag><seealso marker="#system_info_limits">
+ <c>System Limits</c></seealso></tag>
+ <item>
+ <p>
+ <seealso marker="#system_info_atom_count"><c>atom_count</c></seealso>,
+ <seealso marker="#system_info_atom_limit"><c>atom_limit</c></seealso>,
+ <seealso marker="#system_info_ets_limit"><c>ets_limit</c></seealso>,
+ <seealso marker="#system_info_port_count"><c>port_count</c></seealso>,
+ <seealso marker="#system_info_port_limit"><c>port_limit</c></seealso>,
+ <seealso marker="#system_info_process_count"><c>process_count</c></seealso>,
+ <seealso marker="#system_info_process_limit"><c>process_limit</c></seealso>
+ </p>
+ </item>
+ <tag><seealso marker="#system_info_time">
+ <c>System Time</c></seealso></tag>
+ <item>
+ <p>
+ <seealso marker="#system_info_end_time"><c>end_time</c></seealso>,
+ <seealso marker="#system_info_os_monotonic_time_source"><c>os_monotonic_time_source</c></seealso>,
+ <seealso marker="#system_info_os_system_time_source"><c>os_system_time_source</c></seealso>,
+ <seealso marker="#system_info_start_time"><c>start_time</c></seealso>,
+ <seealso marker="#system_info_time_correction"><c>time_correction</c></seealso>,
+ <seealso marker="#system_info_time_offset"><c>time_offset</c></seealso>,
+ <seealso marker="#system_info_time_warp_mode"><c>time_warp_mode</c></seealso>,
+ <seealso marker="#system_info_tolerant_timeofday"><c>tolerant_timeofday</c></seealso>
+ </p>
+ </item>
+ <tag><seealso marker="#system_info_scheduler">
+ <c>Scheduler Information</c></seealso></tag>
+ <item>
+ <p>
+ <seealso marker="#system_info_dirty_cpu_schedulers"><c>dirty_cpu_schedulers</c></seealso>,
+ <seealso marker="#system_info_dirty_cpu_schedulers_online"><c>dirty_cpu_schedulers_online</c></seealso>,
+ <seealso marker="#system_info_dirty_io_schedulers"><c>dirty_io_schedulers</c></seealso>,
+ <seealso marker="#system_info_multi_scheduling"><c>multi_scheduling</c></seealso>,
+ <seealso marker="#system_info_multi_scheduling_blockers"><c>multi_scheduling_blockers</c></seealso>,
+ <seealso marker="#system_info_normal_multi_scheduling_blockers"><c>normal_multi_scheduling_blockers</c></seealso>,
+ <seealso marker="#system_info_scheduler_bind_type"><c>scheduler_bind_type</c></seealso>,
+ <seealso marker="#system_info_scheduler_bindings"><c>scheduler_bindings</c></seealso>,
+ <seealso marker="#system_info_scheduler_id"><c>scheduler_id</c></seealso>,
+ <seealso marker="#system_info_schedulers"><c>schedulers</c></seealso>,
+ <seealso marker="#system_info_smp_support"><c>smp_support</c></seealso>,
+ <seealso marker="#system_info_threads"><c>threads</c></seealso>,
+ <seealso marker="#system_info_thread_pool_size"><c>thread_pool_size</c></seealso>
+ </p>
+ </item>
+ <tag><seealso marker="#system_info_dist">
+ <c>Distribution Information</c></seealso></tag>
+ <item>
+ <p>
+ <seealso marker="#system_info_creation"><c>creation</c></seealso>,
+ <seealso marker="#system_info_delayed_node_table_gc"><c>delayed_node_table_gc</c></seealso>,
+ <seealso marker="#system_info_dist"><c>dist</c></seealso>,
+ <seealso marker="#system_info_dist_buf_busy_limit"><c>dist_buf_busy_limit</c></seealso>,
+ <seealso marker="#system_info_dist_ctrl"><c>dist_ctrl</c></seealso>
+ </p>
+ </item>
+ <tag><seealso marker="#system_info_misc">
+ <c>System Information</c></seealso></tag>
+ <item>
+ <p>
+ <seealso marker="#system_info_build_type"><c>build_type</c></seealso>,
+ <seealso marker="#system_info_c_compiler_used"><c>c_compiler_used</c></seealso>,
+ <seealso marker="#system_info_check_io"><c>check_io</c></seealso>,
+ <seealso marker="#system_info_compat_rel"><c>compat_rel</c></seealso>,
+ <seealso marker="#system_info_debug_compiled"><c>debug_compiled</c></seealso>,
+ <seealso marker="#system_info_driver_version"><c>driver_version</c></seealso>,
+ <seealso marker="#system_info_dynamic_trace"><c>dynamic_trace</c></seealso>,
+ <seealso marker="#system_info_dynamic_trace_probes"><c>dynamic_trace_probes</c></seealso>,
+ <seealso marker="#system_info_info"><c>info</c></seealso>,
+ <seealso marker="#system_info_kernel_poll"><c>kernel_poll</c></seealso>,
+ <seealso marker="#system_info_loaded"><c>loaded</c></seealso>,
+ <seealso marker="#system_info_machine"><c>machine</c></seealso>,
+ <seealso marker="#system_info_modified_timing_level"><c>modified_timing_level</c></seealso>,
+ <seealso marker="#system_info_nif_version"><c>nif_version</c></seealso>,
+ <seealso marker="#system_info_otp_release"><c>otp_release</c></seealso>,
+ <seealso marker="#system_info_port_parallelism"><c>port_parallelism</c></seealso>,
+ <seealso marker="#system_info_system_version"><c>system_version</c></seealso>,
+ <seealso marker="#system_info_system_architecture"><c>system_architecture</c></seealso>,
+ <seealso marker="#system_info_trace_control_word"><c>trace_control_word</c></seealso>,
+ <seealso marker="#system_info_version"><c>version</c></seealso>,
+ <seealso marker="#system_info_wordsize"><c>wordsize</c></seealso>
+ </p>
+ </item>
+ </taglist>
+ </desc>
+ </func>
+
+ <func>
+ <name name="system_info" arity="1" clause_i="1"
+ anchor="system_info_allocator"/> <!-- allocated_areas -->
+ <name name="system_info" arity="1" clause_i="2"/> <!-- allocator -->
+ <name name="system_info" arity="1" clause_i="3"/> <!-- {allocator, _} -->
+ <name name="system_info" arity="1" clause_i="4"/> <!-- alloc_util_allocators -->
+ <name name="system_info" arity="1" clause_i="5"/> <!-- {allocator_sizes, _} -->
+ <name name="system_info" arity="1" clause_i="27"/> <!-- elib_malloc -->
<fsummary>Information about the system allocators.</fsummary>
<type variable="Allocator" name_i="2"/>
<type variable="Version" name_i="2"/>
@@ -7480,12 +7636,13 @@ ok
<type variable="Alloc" name_i="3"/>
<desc>
<marker id="system_info_allocator_tags"></marker>
- <p>Returns various information about the allocators of the
- current system (emulator) as specified by
+ <p>Returns various information about the memory allocators
+ of the current system (emulator) as specified by
<c><anno>Item</anno></c>:</p>
<marker id="system_info_allocated_areas"></marker>
<taglist>
- <tag><c>allocated_areas</c></tag>
+ <tag><marker id="system_info_allocated_areas"/>
+ <c>allocated_areas</c></tag>
<item>
<p>Returns a list of tuples with information about
miscellaneous allocated memory areas.</p>
@@ -7507,9 +7664,9 @@ ok
<seealso marker="#memory/0">
<c>erlang:memory/0,1</c></seealso>.</p>
</item>
- <tag><c>allocator</c></tag>
+ <tag><marker id="system_info_allocator"/>
+ <c>allocator</c></tag>
<item>
- <marker id="system_info_allocator"></marker>
<p>Returns <c>{<anno>Allocator</anno>, <anno>Version</anno>,
<anno>Features</anno>, <anno>Settings</anno></c>, where:</p>
<list type="bulleted">
@@ -7542,19 +7699,9 @@ ok
<seealso marker="erts:erts_alloc#flags">
<c>erts_alloc(3)</c></seealso>.</p>
</item>
- <tag><c>alloc_util_allocators</c></tag>
- <item>
- <marker id="system_info_alloc_util_allocators"></marker>
- <p>Returns a list of the names of all allocators using
- the ERTS internal <c>alloc_util</c> framework
- as atoms. For more information, see section
- <seealso marker="erts:erts_alloc#alloc_util">The
- alloc_util framework</seealso>
- in <c>erts_alloc(3)</c>.</p>
- </item>
- <tag><c>{allocator, <anno>Alloc</anno>}</c></tag>
+ <tag><marker id="system_info_allocator_tuple"></marker>
+ <c>{allocator, <anno>Alloc</anno>}</c></tag>
<item>
- <marker id="system_info_allocator_tuple"></marker>
<p>Returns information about the specified allocator.
As from ERTS 5.6.1, the return value is a list
of <c>{instance, InstanceNo, InstanceInfo}</c> tuples,
@@ -7599,9 +7746,19 @@ ok
values. The first value is the memory pool size and
the second value is the used memory size.</p>
</item>
- <tag><c>{allocator_sizes, <anno>Alloc</anno>}</c></tag>
+ <tag><marker id="system_info_alloc_util_allocators"/>
+ <c>alloc_util_allocators</c></tag>
+ <item>
+ <p>Returns a list of the names of all allocators using
+ the ERTS internal <c>alloc_util</c> framework
+ as atoms. For more information, see section
+ <seealso marker="erts:erts_alloc#alloc_util">The
+ alloc_util framework</seealso>
+ in <c>erts_alloc(3)</c>.</p>
+ </item>
+ <tag><marker id="system_info_allocator_sizes"/>
+ <c>{allocator_sizes, <anno>Alloc</anno>}</c></tag>
<item>
- <marker id="system_info_allocator_sizes"></marker>
<p>Returns various size information for the specified
allocator. The information returned is a subset of the
information returned by
@@ -7609,14 +7766,23 @@ ok
<c>erlang:system_info({allocator,
<anno>Alloc</anno>})</c></seealso>.</p>
</item>
+ <tag><marker id="system_info_elib_malloc"/>
+ <c>elib_malloc</c></tag>
+ <item>
+ <p>This option will be removed in a future release.
+ The return value will always be <c>false</c>, as the
+ <c>elib_malloc</c> allocator has been removed.</p>
+ </item>
</taglist>
</desc>
</func>
<func>
<name name="system_info" arity="1" clause_i="12"
- anchor="system_info_cpu_topology"/>
- <name name="system_info" arity="1" clause_i="13"/>
+ anchor="system_info_cpu_topology"/> <!-- cpu_topology -->
+ <name name="system_info" arity="1" clause_i="13"/> <!-- {cpu_topology, _} -->
+ <name name="system_info" arity="1" clause_i="37"/> <!-- logical_processors -->
+ <name name="system_info" arity="1" clause_i="72"/> <!-- update_cpu_info -->
<fsummary>Information about the CPU topology of the system.</fsummary>
<type name="cpu_topology"/>
<type name="level_entry"/>
@@ -7647,7 +7813,8 @@ ok
the current system (emulator) as specified by
<c><anno>Item</anno></c>:</p>
<taglist>
- <tag><c>cpu_topology</c></tag>
+ <tag><marker id="system_info_cpu_topology"/>
+ <c>cpu_topology</c></tag>
<item>
<p>Returns the <c><anno>CpuTopology</anno></c> currently used by
the emulator. The CPU topology is used when binding schedulers
@@ -7710,31 +7877,89 @@ ok
<seealso marker="#system_info_cpu_topology">
<c>cpu_topology</c></seealso>.</p>
</item>
+ <tag><marker id="system_info_logical_processors"/>
+ <c>logical_processors</c></tag>
+ <item>
+ <p>Returns the detected number of logical processors configured
+ in the system. The return value is either an integer, or
+ the atom <c>unknown</c> if the emulator cannot
+ detect the configured logical processors.</p>
+ </item>
+ <tag><marker id="system_info_logical_processors_available"/>
+ <c>logical_processors_available</c></tag>
+ <item>
+ <p>Returns the detected number of logical processors available
+ to the Erlang runtime system. The return value is either an
+ integer, or the atom <c>unknown</c> if the emulator
+ cannot detect the available logical processors. The number
+ of available logical processors is less than or equal to
+ the number of <seealso marker="#system_info_logical_processors_online">
+ logical processors online</seealso>.</p>
+ </item>
+ <tag><marker id="system_info_logical_processors_online"/>
+ <c>logical_processors_online</c></tag>
+ <item>
+ <p>Returns the detected number of logical processors online on
+ the system. The return value is either an integer,
+ or the atom <c>unknown</c> if the emulator cannot
+ detect logical processors online. The number of logical
+ processors online is less than or equal to the number of
+ <seealso marker="#system_info_logical_processors">logical processors
+ configured</seealso>.</p>
+ </item>
+ <tag><marker id="system_info_update_cpu_info"/>
+ <c>update_cpu_info</c></tag>
+ <item>
+ <p>The runtime system rereads the CPU information available
+ and updates its internally stored information about the
+ <seealso marker="#system_info_cpu_topology_detected">detected
+ CPU topology</seealso> and the number of logical processors
+ <seealso marker="#system_info_logical_processors">configured</seealso>,
+ <seealso marker="#system_info_logical_processors_online">online</seealso>,
+ and <seealso marker="#system_info_logical_processors_available">
+ available</seealso>.</p>
+ <p>If the CPU information has changed since the last time
+ it was read, the atom <c>changed</c> is returned, otherwise
+ the atom <c>unchanged</c>. If the CPU information has changed,
+ you probably want to
+ <seealso marker="#system_flag_schedulers_online">adjust the
+ number of schedulers online</seealso>. You typically want
+ to have as many schedulers online as
+ <seealso marker="#system_info_logical_processors_available">logical
+ processors available</seealso>.</p>
+ </item>
</taglist>
</desc>
</func>
<func>
- <name name="system_info" arity="1" clause_i="29"/>
- <name name="system_info" arity="1" clause_i="30"/>
- <name name="system_info" arity="1" clause_i="38"/>
- <name name="system_info" arity="1" clause_i="39"/>
- <name name="system_info" arity="1" clause_i="40"/>
- <name name="system_info" arity="1" clause_i="41"/>
+ <name name="system_info" arity="1" clause_i="30"
+ anchor="system_info_process"/> <!-- fullsweep_after -->
+ <name name="system_info" arity="1" clause_i="31"/> <!-- garbage_collection -->
+ <name name="system_info" arity="1" clause_i="32"/> <!-- heap_sizes -->
+ <name name="system_info" arity="1" clause_i="33"/> <!-- heap_type -->
+ <name name="system_info" arity="1" clause_i="39"/> <!-- max_heap_size -->
+ <name name="system_info" arity="1" clause_i="40"/> <!-- message_queue_data -->
+ <name name="system_info" arity="1" clause_i="41"/> <!-- min_heap_size -->
+ <name name="system_info" arity="1" clause_i="42"/> <!-- min_bin_vheap_size -->
+ <name name="system_info" arity="1" clause_i="56"/> <!-- procs -->
<fsummary>Information about the default process heap settings.</fsummary>
<type name="message_queue_data"/>
<type name="max_heap_size"/>
<desc>
+ <marker id="system_info_process_tags"/>
<p>Returns information about the default process heap settings:</p>
<taglist>
- <tag><c>fullsweep_after</c></tag>
+ <tag><marker id="system_info_fullsweep_after"/>
+ <c>fullsweep_after</c></tag>
<item>
<p>Returns <c>{fullsweep_after, integer() >= 0}</c>, which is
the <c>fullsweep_after</c> garbage collection setting used
by default. For more information, see
<c>garbage_collection</c> described below.</p>
</item>
- <tag><c>garbage_collection</c></tag>
+ <tag><marker id="system_info_garbage_collection"/>
+ <c>garbage_collection</c></tag>
<item>
<p>Returns a list describing the default garbage collection
settings. A process spawned on the local node by a
@@ -7747,7 +7972,30 @@ ok
can spawn a process that does not use the default
settings.</p>
</item>
- <tag><c>max_heap_size</c></tag>
+ <tag><marker id="system_info_heap_sizes"/>
+ <c>heap_sizes</c></tag>
+ <item>
+ <p>Returns a list of integers representing valid heap sizes
+ in words. All Erlang heaps are sized from sizes in this
+ list.</p>
+ </item>
+ <tag><marker id="system_info_heap_type"/>
+ <c>heap_type</c></tag>
+ <item>
+ <p>Returns the heap type used by the current emulator. One
+ heap type exists:</p>
+ <taglist>
+ <tag><c>private</c></tag>
+ <item>
+ Each process has a heap reserved for its use and no
+ references between heaps of different processes are
+ allowed. Messages passed between processes are copied
+ between heaps.
+ </item>
+ </taglist>
+ </item>
+ <tag><marker id="system_info_max_heap_size"/>
+ <c>max_heap_size</c></tag>
<item>
<p>Returns <c>{max_heap_size, <anno>MaxHeapSize</anno>}</c>,
where <c><anno>MaxHeapSize</anno></c> is the current
@@ -7775,173 +8023,364 @@ ok
<seealso marker="#process_flag_message_queue_data">
<c>process_flag(message_queue_data, MQD)</c></seealso>.</p>
</item>
- <tag><c>min_heap_size</c></tag>
+ <tag><marker id="system_info_min_heap_size"/>
+ <c>min_heap_size</c></tag>
<item>
<p>Returns <c>{min_heap_size, <anno>MinHeapSize</anno>}</c>,
where <c><anno>MinHeapSize</anno></c> is the current
system-wide minimum heap size for spawned processes.</p>
</item>
- <tag><c>min_bin_vheap_size</c></tag>
+ <tag><marker id="system_info_min_bin_vheap_size"/>
+ <c>min_bin_vheap_size</c></tag>
<item>
<p>Returns <c>{min_bin_vheap_size,
<anno>MinBinVHeapSize</anno>}</c>, where
<c><anno>MinBinVHeapSize</anno></c> is the current system-wide
minimum binary virtual heap size for spawned processes.</p>
</item>
+ <tag><marker id="system_info_procs"/>
+ <c>procs</c></tag>
+ <item>
+ <p>Returns a binary containing a string of process and port
+ information formatted as in Erlang crash dumps. For more
+ information, see section <seealso marker="erts:crash_dump">
+ How to interpret the Erlang crash dumps</seealso>
+ in the User's Guide.</p>
+ </item>
</taglist>
</desc>
</func>
<func>
- <name name="system_info" arity="1" clause_i="6"/>
- <name name="system_info" arity="1" clause_i="7"/>
- <name name="system_info" arity="1" clause_i="8"/>
- <name name="system_info" arity="1" clause_i="9"/>
- <name name="system_info" arity="1" clause_i="10"/>
- <name name="system_info" arity="1" clause_i="11"/>
- <name name="system_info" arity="1" clause_i="14"/>
- <name name="system_info" arity="1" clause_i="15"/>
- <name name="system_info" arity="1" clause_i="16"/>
- <name name="system_info" arity="1" clause_i="17"/>
- <name name="system_info" arity="1" clause_i="18"/>
- <name name="system_info" arity="1" clause_i="19"/>
- <name name="system_info" arity="1" clause_i="20"/>
- <name name="system_info" arity="1" clause_i="21"/>
- <name name="system_info" arity="1" clause_i="22"/>
- <name name="system_info" arity="1" clause_i="23"/>
- <name name="system_info" arity="1" clause_i="24"/>
- <name name="system_info" arity="1" clause_i="25"/>
- <name name="system_info" arity="1" clause_i="26"/>
- <name name="system_info" arity="1" clause_i="27"/>
- <name name="system_info" arity="1" clause_i="28"/>
- <name name="system_info" arity="1" clause_i="31"/>
- <name name="system_info" arity="1" clause_i="32"/>
- <name name="system_info" arity="1" clause_i="33"/>
- <name name="system_info" arity="1" clause_i="34"/>
- <name name="system_info" arity="1" clause_i="35"/>
- <name name="system_info" arity="1" clause_i="36"/>
- <name name="system_info" arity="1" clause_i="37"/>
- <name name="system_info" arity="1" clause_i="42"/>
- <name name="system_info" arity="1" clause_i="43"/>
- <name name="system_info" arity="1" clause_i="44"/>
- <name name="system_info" arity="1" clause_i="45"/>
- <name name="system_info" arity="1" clause_i="46"/>
- <name name="system_info" arity="1" clause_i="47"/>
- <name name="system_info" arity="1" clause_i="48"/>
- <name name="system_info" arity="1" clause_i="49"/>
- <name name="system_info" arity="1" clause_i="50"/>
- <name name="system_info" arity="1" clause_i="51"/>
- <name name="system_info" arity="1" clause_i="52"/>
- <name name="system_info" arity="1" clause_i="53"/>
- <name name="system_info" arity="1" clause_i="54"/>
- <name name="system_info" arity="1" clause_i="55"/>
- <name name="system_info" arity="1" clause_i="56"/>
- <name name="system_info" arity="1" clause_i="57"/>
- <name name="system_info" arity="1" clause_i="58"/>
- <name name="system_info" arity="1" clause_i="59"/>
- <name name="system_info" arity="1" clause_i="60"/>
- <name name="system_info" arity="1" clause_i="61"/>
- <name name="system_info" arity="1" clause_i="62"/>
- <name name="system_info" arity="1" clause_i="63"/>
- <name name="system_info" arity="1" clause_i="64"/>
- <name name="system_info" arity="1" clause_i="65"/>
- <name name="system_info" arity="1" clause_i="66"/>
- <name name="system_info" arity="1" clause_i="67"/>
- <name name="system_info" arity="1" clause_i="68"/>
- <name name="system_info" arity="1" clause_i="69"/>
- <name name="system_info" arity="1" clause_i="70"/>
- <name name="system_info" arity="1" clause_i="71"/>
- <fsummary>Information about the system.</fsummary>
+ <name name="system_info" arity="1" clause_i="6"
+ anchor="system_info_limits"/> <!-- atom_count -->
+ <name name="system_info" arity="1" clause_i="7"/> <!-- atom_limit -->
+ <name name="system_info" arity="1" clause_i="29"/> <!-- ets_limit -->
+ <name name="system_info" arity="1" clause_i="52"/> <!-- port_count -->
+ <name name="system_info" arity="1" clause_i="53"/> <!-- port_limit -->
+ <name name="system_info" arity="1" clause_i="54"/> <!-- process_count -->
+ <name name="system_info" arity="1" clause_i="55"/> <!-- process_limit -->
+ <fsummary>Information about various system limits.</fsummary>
<desc>
- <p>Returns various information about the current system
- (emulator) as specified by <c><anno>Item</anno></c>:</p>
+ <marker id="system_info_limits"/>
+ <p>Returns information about the current system
+ (emulator) limits as specified by <c><anno>Item</anno></c>:</p>
<taglist>
- <tag><c>atom_count</c></tag>
+ <tag><marker id="system_info_atom_count"/>
+ <c>atom_count</c></tag>
<item>
- <marker id="system_info_atom_count"></marker>
<p>Returns the number of atoms currently existing at the
- local node. The value is given as an integer.</p>
+ local node. The value is given as an integer.</p>
</item>
- <tag><c>atom_limit</c></tag>
+ <tag><marker id="system_info_atom_limit"/>
+ <c>atom_limit</c></tag>
<item>
- <marker id="system_info_atom_limit"></marker>
<p>Returns the maximum number of atoms allowed.
- This limit can be increased at startup by passing
- command-line flag
- <seealso marker="erts:erl#+t"><c>+t</c></seealso> to
- <c>erl(1)</c>.
+ This limit can be increased at startup by passing
+ command-line flag
+ <seealso marker="erts:erl#+t"><c>+t</c></seealso> to
+ <c>erl(1)</c>.
</p>
</item>
- <tag><c>build_type</c></tag>
+ <tag><marker id="system_info_ets_limit"/>
+ <c>ets_limit</c></tag>
<item>
- <p>Returns an atom describing the build type of the runtime
- system. This is normally the atom <c>opt</c> for optimized.
- Other possible return values are <c>debug</c>, <c>purify</c>,
- <c>quantify</c>, <c>purecov</c>, <c>gcov</c>, <c>valgrind</c>,
- <c>gprof</c>, and <c>lcnt</c>. Possible return values
- can be added or removed at any time without prior notice.</p>
+ <p>Returns the maximum number of ETS tables allowed. This
+ limit can be increased at startup by passing
+ command-line flag
+ <seealso marker="erts:erl#+e"><c>+e</c></seealso> to
+ <c>erl(1)</c> or by setting environment variable
+ <c>ERL_MAX_ETS_TABLES</c> before starting the Erlang
+ runtime system.</p>
</item>
- <tag><c>c_compiler_used</c></tag>
+ <tag><marker id="system_info_port_count"/><c>port_count</c></tag>
<item>
- <p>Returns a two-tuple describing the C compiler used when
- compiling the runtime system. The first element is an
- atom describing the name of the compiler, or <c>undefined</c>
- if unknown. The second element is a term describing the
- version of the compiler, or <c>undefined</c> if unknown.</p>
+ <p>Returns the number of ports currently existing at the
+ local node. The value is given as an integer. This is
+ the same value as returned by
+ <c>length(erlang:ports())</c>, but more efficient.</p>
</item>
- <tag><c>check_io</c></tag>
+ <tag><marker id="system_info_port_limit"/>
+ <c>port_limit</c></tag>
<item>
- <p>Returns a list containing miscellaneous information
- about the emulators internal I/O checking. Notice that
- the content of the returned list can vary between
- platforms and over time. It is only guaranteed
- that a list is returned.</p>
+ <p>Returns the maximum number of simultaneously existing
+ ports at the local node as an integer. This limit can be
+ configured at startup by using command-line flag
+ <seealso marker="erl#+Q"><c>+Q</c></seealso> in <c>erl(1)</c>.</p>
</item>
- <tag><c>compat_rel</c></tag>
+ <tag><marker id="system_info_process_count"/>
+ <c>process_count</c></tag>
<item>
- <p>Returns the compatibility mode of the local node as
- an integer. The integer returned represents the
- Erlang/OTP release that the current emulator has been
- set to be backward compatible with. The compatibility
- mode can be configured at startup by using command-line flag
- <seealso marker="erts:erl#compat_rel"><c>+R</c></seealso> in
- <c>erl(1)</c>.</p>
+ <p>Returns the number of processes currently existing at the
+ local node. The value is given as an integer. This is
+ the same value as returned by
+ <c>length(processes())</c>, but more efficient.</p>
</item>
- <tag><c>cpu_topology</c></tag>
+ <tag><marker id="system_info_process_limit"/>
+ <c>process_limit</c></tag>
<item>
- <p>See <seealso
- marker="#system_info_cpu_topology_tags">above</seealso>.</p>
+ <p>Returns the maximum number of simultaneously existing
+ processes at the local node. The value is given as an
+ integer. This limit can be configured at startup by using
+ command-line flag <seealso marker="erl#+P"><c>+P</c></seealso>
+ in <c>erl(1)</c>.</p>
</item>
- <tag><c>creation</c></tag>
+ </taglist>
+ </desc>
+ </func>
+
+ <func>
+ <name name="system_info" arity="1" clause_i="26"
+ anchor="system_info_time"/> <!-- end_time -->
+ <name name="system_info" arity="1" clause_i="49"/> <!-- os_monotonic_time_source -->
+ <name name="system_info" arity="1" clause_i="50"/> <!-- os_system_time_source -->
+ <name name="system_info" arity="1" clause_i="62"/> <!-- start_time -->
+ <name name="system_info" arity="1" clause_i="67"/> <!-- time_correction -->
+ <name name="system_info" arity="1" clause_i="68"/> <!-- time_offset -->
+ <name name="system_info" arity="1" clause_i="69"/> <!-- time_warp_mode -->
+ <name name="system_info" arity="1" clause_i="70"/> <!-- tolerant_timeofday -->
+ <fsummary>Information about system time.</fsummary>
+ <desc>
+ <marker id="system_info_time_tags"/>
+ <p>Returns information about the current system
+ (emulator) time as specified by <c><anno>Item</anno></c>:</p>
+ <taglist>
+ <tag><marker id="system_info_end_time"/><c>end_time</c></tag>
<item>
- <p>Returns the creation of the local node as an integer.
- The creation is changed when a node is restarted. The
- creation of a node is stored in process identifiers, port
- identifiers, and references. This makes it (to some
- extent) possible to distinguish between identifiers from
- different incarnations of a node. The valid
- creations are integers in the range 1..3, but this will
- probably change in a future release. If the node is not
- alive, <c>0</c> is returned.</p>
+ <p>The last <seealso marker="#monotonic_time/0">Erlang monotonic
+ time</seealso> in <c>native</c>
+ <seealso marker="#type_time_unit">time unit</seealso> that
+ can be represented internally in the current Erlang runtime system
+ instance. The time between the
+ <seealso marker="#system_info_start_time">start time</seealso> and
+ the end time is at least a quarter of a millennium.</p>
</item>
- <tag><c>debug_compiled</c></tag>
+ <tag><marker id="system_info_os_monotonic_time_source"/>
+ <c>os_monotonic_time_source</c></tag>
<item>
- <p>Returns <c>true</c> if the emulator has been
- debug-compiled, otherwise <c>false</c>.</p>
+ <p>Returns a list containing information about the source of
+ <seealso marker="erts:time_correction#OS_Monotonic_Time">OS
+ monotonic time</seealso> that is used by the runtime system.</p>
+ <p>If <c>[]</c> is returned, no OS monotonic time is
+ available. The list contains two-tuples with <c>Key</c>s
+ as first element, and <c>Value</c>s as second element. The
+ order of these tuples is undefined. The following
+ tuples can be part of the list, but more tuples can be
+ introduced in the future:</p>
+ <taglist>
+ <tag><c>{function, Function}</c></tag>
+ <item><p><c>Function</c> is the name of the function
+ used. This tuple always exists if OS monotonic time is
+ available to the runtime system.</p>
+ </item>
+ <tag><c>{clock_id, ClockId}</c></tag>
+ <item><p>This tuple only exists if <c>Function</c>
+ can be used with different clocks. <c>ClockId</c>
+ corresponds to the clock identifier used when calling
+ <c>Function</c>.</p>
+ </item>
+ <tag><c>{resolution, OsMonotonicTimeResolution}</c></tag>
+ <item><p>Highest possible
+ <seealso marker="time_correction#Time_Resolution">
+ resolution</seealso>
+ of current OS monotonic time source as parts per
+ second. If no resolution information can be retrieved
+ from the OS, <c>OsMonotonicTimeResolution</c> is
+ set to the resolution of the time unit of
+ <c>Function</c>s return value. That is, the actual
+ resolution can be lower than
+ <c>OsMonotonicTimeResolution</c>. Notice that
+ the resolution does not say anything about the
+ <seealso marker="time_correction#Time_Accuracy">
+ accuracy</seealso> or whether the
+ <seealso marker="time_correction#Time_Precision">
+ precision</seealso> aligns with the resolution. You do,
+ however, know that the precision is not better than
+ <c>OsMonotonicTimeResolution</c>.</p>
+ </item>
+ <tag><c>{extended, Extended}</c></tag>
+ <item><p><c>Extended</c> equals <c>yes</c> if
+ the range of time values has been extended;
+ otherwise <c>Extended</c> equals <c>no</c>. The
+ range must be extended if <c>Function</c>
+ returns values that wrap fast. This typically
+ is the case when the return value is a 32-bit value.</p>
+ </item>
+ <tag><c>{parallel, Parallel}</c></tag>
+ <item><p><c>Parallel</c> equals <c>yes</c> if
+ <c>Function</c> is called in parallel from multiple
+ threads. If it is not called in parallel, because
+ calls must be serialized, <c>Parallel</c> equals
+ <c>no</c>.</p>
+ </item>
+ <tag><c>{time, OsMonotonicTime}</c></tag>
+ <item><p><c>OsMonotonicTime</c> equals current OS
+ monotonic time in <c>native</c>
+ <seealso marker="#type_time_unit">time unit</seealso>.</p>
+ </item>
+ </taglist>
</item>
- <tag><c>delayed_node_table_gc</c></tag>
+ <tag><marker id="system_info_os_system_time_source"/>
+ <c>os_system_time_source</c></tag>
<item>
- <marker id="system_info_delayed_node_table_gc"></marker>
- <p>Returns the amount of time in seconds garbage collection
- of an entry in a node table is delayed. This limit can be set
- on startup by passing command-line flag
- <seealso marker="erts:erl#+zdntgc"><c>+zdntgc</c></seealso>
- to <c>erl(1)</c>. For more information, see the documentation of
- the command-line flag.</p>
+ <p>Returns a list containing information about the source of
+ <seealso marker="erts:time_correction#OS_System_Time">OS
+ system time</seealso> that is used by the runtime system.</p>
+ <p>The list contains two-tuples with <c>Key</c>s
+ as first element, and <c>Value</c>s as second element. The
+ order if these tuples is undefined. The following
+ tuples can be part of the list, but more tuples can be
+ introduced in the future:</p>
+ <taglist>
+ <tag><c>{function, Function}</c></tag>
+ <item><p><c>Function</c> is the name of the funcion used.</p>
+ </item>
+ <tag><c>{clock_id, ClockId}</c></tag>
+ <item><p>Exists only if <c>Function</c>
+ can be used with different clocks. <c>ClockId</c>
+ corresponds to the clock identifier used when calling
+ <c>Function</c>.</p>
+ </item>
+ <tag><c>{resolution, OsSystemTimeResolution}</c></tag>
+ <item><p>Highest possible
+ <seealso marker="time_correction#Time_Resolution">
+ resolution</seealso>
+ of current OS system time source as parts per
+ second. If no resolution information can be retrieved
+ from the OS, <c>OsSystemTimeResolution</c> is
+ set to the resolution of the time unit of
+ <c>Function</c>s return value. That is, the actual
+ resolution can be lower than
+ <c>OsSystemTimeResolution</c>. Notice that
+ the resolution does not say anything about the
+ <seealso marker="time_correction#Time_Accuracy">
+ accuracy</seealso> or whether the
+ <seealso marker="time_correction#Time_Precision">
+ precision</seealso> do align with the resolution. You do,
+ however, know that the precision is not better than
+ <c>OsSystemTimeResolution</c>.</p>
+ </item>
+ <tag><c>{parallel, Parallel}</c></tag>
+ <item><p><c>Parallel</c> equals <c>yes</c> if
+ <c>Function</c> is called in parallel from multiple
+ threads. If it is not called in parallel, because
+ calls needs to be serialized, <c>Parallel</c> equals
+ <c>no</c>.</p>
+ </item>
+ <tag><c>{time, OsSystemTime}</c></tag>
+ <item><p><c>OsSystemTime</c> equals current OS
+ system time in <c>native</c>
+ <seealso marker="#type_time_unit">time unit</seealso>.</p>
+ </item>
+ </taglist>
+ </item>
+ <tag><marker id="system_info_start_time"/><c>start_time</c></tag>
+ <item>
+ <p>The <seealso marker="#monotonic_time/0">Erlang monotonic
+ time</seealso> in <c>native</c>
+ <seealso marker="#type_time_unit">time unit</seealso> at the
+ time when current Erlang runtime system instance started.</p>
+ <p>See also <seealso marker="#system_info_end_time">
+ <c>erlang:system_info(end_time)</c></seealso>.</p>
</item>
- <tag><c>dirty_cpu_schedulers</c></tag>
+ <tag><marker id="system_info_time_correction"/>
+ <c>time_correction</c></tag>
+ <item>
+ <p>Returns a boolean value indicating whether
+ <seealso marker="time_correction#Time_Correction">
+ time correction</seealso> is enabled or not.</p>
+ </item>
+ <tag><marker id="system_info_time_offset"/>
+ <c>time_offset</c></tag>
+ <item>
+ <p>Returns the state of the time offset:</p>
+ <taglist>
+ <tag><c>preliminary</c></tag>
+ <item>
+ <p>The time offset is preliminary, and will be changed
+ and finalized later. The preliminary time offset
+ is used during the preliminary phase of the
+ <seealso marker="time_correction#Single_Time_Warp_Mode">
+ single time warp mode</seealso>.</p>
+ </item>
+ <tag><c>final</c></tag>
+ <item>
+ <p>The time offset is final. This either because
+ <seealso marker="time_correction#No_Time_Warp_Mode">
+ no time warp mode</seealso> is used, or because the time
+ offset have been finalized when
+ <seealso marker="time_correction#Single_Time_Warp_Mode">
+ single time warp mode</seealso> is used.</p>
+ </item>
+ <tag><c>volatile</c></tag>
+ <item>
+ <p>The time offset is volatile. That is, it can
+ change at any time. This is because
+ <seealso marker="time_correction#Multi_Time_Warp_Mode">
+ multi-time warp mode</seealso> is used.</p>
+ </item>
+ </taglist>
+ </item>
+ <tag><marker id="system_info_time_warp_mode"/>
+ <c>time_warp_mode</c></tag>
+ <item>
+ <p>Returns a value identifying the
+ <seealso marker="time_correction#Time_Warp_Modes">
+ time warp mode</seealso> that is used:</p>
+ <taglist>
+ <tag><c>no_time_warp</c></tag>
+ <item>The <seealso marker="time_correction#No_Time_Warp_Mode">
+ no time warp mode</seealso> is used.
+ </item>
+ <tag><c>single_time_warp</c></tag>
+ <item>The <seealso marker="time_correction#Single_Time_Warp_Mode">
+ single time warp mode</seealso> is used.
+ </item>
+ <tag><c>multi_time_warp</c></tag>
+ <item>The <seealso marker="time_correction#Multi_Time_Warp_Mode">
+ multi-time warp mode</seealso> is used.
+ </item>
+ </taglist>
+ </item>
+ <tag><marker id="system_info_tolerant_timeofday"/>
+ <c>tolerant_timeofday</c></tag>
+ <item>
+ <p>Returns whether a pre ERTS 7.0 backwards compatible
+ compensation for sudden changes of system time is <c>enabled</c>
+ or <c>disabled</c>. Such compensation is <c>enabled</c> when the
+ <seealso marker="#system_info_time_offset">time offset</seealso>
+ is <c>final</c>, and
+ <seealso marker="#system_info_time_correction">
+ time correction</seealso> is enabled.</p>
+ </item>
+ </taglist>
+ </desc>
+ </func>
+
+ <func>
+ <name name="system_info" arity="1" clause_i="17"
+ anchor="system_info_scheduler"/> <!-- dirty_cpu_schedulers -->
+ <name name="system_info" arity="1" clause_i="18"/> <!-- dirty_cpu_schedulers_online -->
+ <name name="system_info" arity="1" clause_i="19"/> <!-- dirty_io_schedulers -->
+ <name name="system_info" arity="1" clause_i="44"/> <!-- multi_scheduling -->
+ <name name="system_info" arity="1" clause_i="45"/> <!-- multi_scheduling_blockers -->
+ <name name="system_info" arity="1" clause_i="47"/> <!-- normal_multi_scheduling_blockers -->
+ <name name="system_info" arity="1" clause_i="57"/> <!-- scheduler_bind_type -->
+ <name name="system_info" arity="1" clause_i="58"/> <!-- scheduler_bindings -->
+ <name name="system_info" arity="1" clause_i="59"/> <!-- scheduler_id -->
+ <name name="system_info" arity="1" clause_i="60"/> <!-- schedulers -->
+ <name name="system_info" arity="1" clause_i="61"/> <!-- smp_support -->
+ <name name="system_info" arity="1" clause_i="65"/> <!-- threads -->
+ <name name="system_info" arity="1" clause_i="66"/> <!-- thread_pool_size -->
+ <fsummary>Information about system schedulers.</fsummary>
+ <desc>
+ <marker id="system_info_scheduler_tags"/>
+ <p>Returns information about schedulers, scheduling and threads in the
+ current system as specified by <c><anno>Item</anno></c>:</p>
+ <taglist>
+ <tag><marker id="system_info_dirty_cpu_schedulers"/>
+ <c>dirty_cpu_schedulers</c></tag>
<item>
- <marker id="system_info_dirty_cpu_schedulers"></marker>
<p>Returns the number of dirty CPU scheduler threads used by
the emulator. Dirty CPU schedulers execute CPU-bound
native functions, such as NIFs, linked-in driver code,
@@ -7972,9 +8411,9 @@ ok
<c>erlang:system_flag(schedulers_online,
SchedulersOnline)</c></seealso>.</p>
</item>
- <tag><c>dirty_cpu_schedulers_online</c></tag>
+ <tag><marker id="system_info_dirty_cpu_schedulers_online"/>
+ <c>dirty_cpu_schedulers_online</c></tag>
<item>
- <marker id="system_info_dirty_cpu_schedulers_online"></marker>
<p>Returns the number of dirty CPU schedulers online.
The return value satisfies
<c><![CDATA[1 <= DirtyCPUSchedulersOnline <= N]]></c>,
@@ -7996,9 +8435,9 @@ ok
<c>erlang:system_flag(dirty_cpu_schedulers_online,
DirtyCPUSchedulersOnline)</c></seealso>.</p>
</item>
- <tag><c>dirty_io_schedulers</c></tag>
+ <tag><marker id="system_info_dirty_io_schedulers"/>
+ <c>dirty_io_schedulers</c></tag>
<item>
- <marker id="system_info_dirty_io_schedulers"></marker>
<p>Returns the number of dirty I/O schedulers as an integer.
Dirty I/O schedulers execute I/O-bound native functions,
such as NIFs and linked-in driver code, which cannot be
@@ -8015,179 +8454,9 @@ ok
<c>erlang:system_flag(dirty_cpu_schedulers_online,
DirtyCPUSchedulersOnline)</c></seealso>.</p>
</item>
- <tag><c>dist</c></tag>
- <item>
- <p>Returns a binary containing a string of distribution
- information formatted as in Erlang crash dumps. For more
- information, see section <seealso marker="erts:crash_dump">
- How to interpret the Erlang crash dumps</seealso>
- in the User's Guide.</p>
- </item>
- <tag><c>dist_buf_busy_limit</c></tag>
- <item>
- <marker id="system_info_dist_buf_busy_limit"></marker>
- <p>Returns the value of the distribution buffer busy limit
- in bytes. This limit can be set at startup by passing
- command-line flag
- <seealso marker="erts:erl#+zdbbl"><c>+zdbbl</c></seealso>
- to <c>erl(1)</c>.</p>
- </item>
- <tag><c>dist_ctrl</c></tag>
- <item>
- <p>Returns a list of tuples
- <c>{<anno>Node</anno>, <anno>ControllingEntity</anno>}</c>,
- one entry for each connected remote node.
- <c><anno>Node</anno></c> is the node name
- and <c><anno>ControllingEntity</anno></c> is the port or process
- identifier responsible for the communication to that node.
- More specifically, <c><anno>ControllingEntity</anno></c> for
- nodes connected through TCP/IP (the normal case) is the socket
- used in communication with the specific node.</p>
- </item>
- <tag><c>driver_version</c></tag>
- <item>
- <p>Returns a string containing the Erlang driver version
- used by the runtime system. It has the form
- <seealso marker="erts:erl_driver#version_management">
- "&lt;major ver&gt;.&lt;minor ver&gt;"</seealso>.</p>
- </item>
- <tag><c>dynamic_trace</c></tag>
- <item>
- <p>Returns an atom describing the dynamic trace framework
- compiled into the virtual machine. It can be
- <c>dtrace</c>, <c>systemtap</c>, or <c>none</c>. For a
- commercial or standard build, it is always <c>none</c>.
- The other return values indicate a custom configuration
- (for example, <c>./configure --with-dynamic-trace=dtrace</c>).
- For more information about dynamic tracing, see
- <seealso marker="runtime_tools:dyntrace">
- <c>dyntrace(3)</c></seealso> manual page and the
- <c>README.dtrace</c>/<c>README.systemtap</c> files in the
- Erlang source code top directory.</p>
- </item>
- <tag><c>dynamic_trace_probes</c></tag>
- <item>
- <p>Returns a <c>boolean()</c> indicating if dynamic trace
- probes (<c>dtrace</c> or <c>systemtap</c>) are built into
- the emulator. This can only be <c>true</c> if the virtual
- machine was built for dynamic tracing (that is,
- <c>system_info(dynamic_trace)</c> returns
- <c>dtrace</c> or <c>systemtap</c>).</p>
- </item>
- <tag><marker id="system_info_end_time"/><c>end_time</c></tag>
- <item>
- <p>The last <seealso marker="#monotonic_time/0">Erlang monotonic
- time</seealso> in <c>native</c>
- <seealso marker="#type_time_unit">time unit</seealso> that
- can be represented internally in the current Erlang runtime system
- instance. The time between the
- <seealso marker="#system_info_start_time">start time</seealso> and
- the end time is at least a quarter of a millennium.</p>
- </item>
- <tag><c>elib_malloc</c></tag>
- <item>
- <p>This option will be removed in a future release.
- The return value will always be <c>false</c>, as the
- <c>elib_malloc</c> allocator has been removed.</p>
- </item>
- <tag><c>ets_limit</c></tag>
- <item>
- <p>Returns the maximum number of ETS tables allowed. This
- limit can be increased at startup by passing
- command-line flag
- <seealso marker="erts:erl#+e"><c>+e</c></seealso> to
- <c>erl(1)</c> or by setting environment variable
- <c>ERL_MAX_ETS_TABLES</c> before starting the Erlang
- runtime system.</p>
- </item>
- <tag><c>heap_sizes</c></tag>
- <item>
- <p>Returns a list of integers representing valid heap sizes
- in words. All Erlang heaps are sized from sizes in this
- list.</p>
- </item>
- <tag><c>heap_type</c></tag>
- <item>
- <p>Returns the heap type used by the current emulator. One
- heap type exists:</p>
- <taglist>
- <tag><c>private</c></tag>
- <item>
- Each process has a heap reserved for its use and no
- references between heaps of different processes are
- allowed. Messages passed between processes are copied
- between heaps.
- </item>
- </taglist>
- </item>
- <tag><c>info</c></tag>
- <item>
- <p>Returns a binary containing a string of miscellaneous
- system information formatted as in Erlang crash dumps.
- For more information, see section
- <seealso marker="erts:crash_dump">
- How to interpret the Erlang crash dumps</seealso>
- in the User's Guide.</p>
- </item>
- <tag><c>kernel_poll</c></tag>
- <item>
- <p>Returns <c>true</c> if the emulator uses some kind of
- kernel-poll implementation, otherwise <c>false</c>.</p>
- </item>
- <tag><c>loaded</c></tag>
- <item>
- <p>Returns a binary containing a string of loaded module
- information formatted as in Erlang crash dumps. For more
- information, see section
- <seealso marker="erts:crash_dump">How to interpret the Erlang
- crash dumps</seealso> in the User's Guide.</p>
- </item>
- <tag><c>logical_processors</c></tag>
- <item>
- <marker id="logical_processors"></marker>
- <p>Returns the detected number of logical processors configured
- in the system. The return value is either an integer, or
- the atom <c>unknown</c> if the emulator cannot
- detect the configured logical processors.</p>
- </item>
- <tag><c>logical_processors_available</c></tag>
+ <tag><marker id="system_info_multi_scheduling"/>
+ <c>multi_scheduling</c></tag>
<item>
- <marker id="logical_processors_available"></marker>
- <p>Returns the detected number of logical processors available
- to the Erlang runtime system. The return value is either an
- integer, or the atom <c>unknown</c> if the emulator
- cannot detect the available logical processors. The number
- of available logical processors is less than or equal to
- the number of <seealso marker="#logical_processors_online">
- logical processors online</seealso>.</p>
- </item>
- <tag><c>logical_processors_online</c></tag>
- <item>
- <marker id="logical_processors_online"></marker>
- <p>Returns the detected number of logical processors online on
- the system. The return value is either an integer,
- or the atom <c>unknown</c> if the emulator cannot
- detect logical processors online. The number of logical
- processors online is less than or equal to the number of
- <seealso marker="#logical_processors">logical processors
- configured</seealso>.</p>
- </item>
- <tag><c>machine</c></tag>
- <item>
- <p>Returns a string containing the Erlang machine name.</p>
- </item>
- <tag><c>modified_timing_level</c></tag>
- <item>
- <p>Returns the modified timing-level (an integer) if
- modified timing is enabled, otherwise <c>undefined</c>.
- For more information about modified timing, see
- command-line flag
- <seealso marker="erts:erl#+T"><c>+T</c></seealso>
- in <c>erl(1)</c></p>
- </item>
- <tag><c>multi_scheduling</c></tag>
- <item>
- <marker id="system_info_multi_scheduling"></marker>
<p>Returns one of the following:</p>
<taglist>
<tag><c>disabled</c></tag>
@@ -8227,9 +8496,9 @@ ok
and <seealso marker="#system_info_schedulers">
<c>erlang:system_info(schedulers)</c></seealso>.</p>
</item>
- <tag><c>multi_scheduling_blockers</c></tag>
+ <tag><marker id="system_info_multi_scheduling_blockers"/>
+ <c>multi_scheduling_blockers</c></tag>
<item>
- <marker id="system_info_multi_scheduling_blockers"></marker>
<p>Returns a list of <c><anno>Pid</anno></c>s when
multi-scheduling is blocked, otherwise the empty list is
returned. The <c><anno>Pid</anno></c>s in the list
@@ -8247,15 +8516,9 @@ ok
and <seealso marker="#system_info_schedulers">
<c>erlang:system_info(schedulers)</c></seealso>.</p>
</item>
- <tag><c>nif_version</c></tag>
- <item>
- <p>Returns a string containing the version of the Erlang NIF
- interface used by the runtime system. It is on the form
- "&lt;major ver&gt;.&lt;minor ver&gt;".</p>
- </item>
- <tag><c>normal_multi_scheduling_blockers</c></tag>
+ <tag><marker id="system_info_normal_multi_scheduling_blockers"/>
+ <c>normal_multi_scheduling_blockers</c></tag>
<item>
- <marker id="system_info_normal_multi_scheduling_blockers"></marker>
<p>Returns a list of <c><anno>Pid</anno></c>s when
normal multi-scheduling is blocked (that is, all normal schedulers
but one is blocked), otherwise the empty list is returned.
@@ -8273,192 +8536,9 @@ ok
and <seealso marker="#system_info_schedulers">
<c>erlang:system_info(schedulers)</c></seealso>.</p>
</item>
- <tag><marker id="system_info_otp_release"/>
- <c>otp_release</c></tag>
- <item>
- <marker id="system_info_otp_release"></marker>
- <p>Returns a string containing the OTP release number of the
- OTP release that the currently executing ERTS application
- is part of.</p>
- <p>As from Erlang/OTP 17, the OTP release number corresponds to
- the major OTP version number. No
- <c>erlang:system_info()</c> argument gives the exact OTP
- version. This is because the exact OTP version in the general case
- is difficult to determine. For more information, see the
- description of versions in
- <seealso marker="doc/system_principles:versions">
- System principles</seealso> in System Documentation.</p>
- </item>
- <tag><marker id="system_info_os_monotonic_time_source"/>
- <c>os_monotonic_time_source</c></tag>
+ <tag><marker id="system_info_scheduler_bind_type"/>
+ <c>scheduler_bind_type</c></tag>
<item>
- <p>Returns a list containing information about the source of
- <seealso marker="erts:time_correction#OS_Monotonic_Time">OS
- monotonic time</seealso> that is used by the runtime system.</p>
- <p>If <c>[]</c> is returned, no OS monotonic time is
- available. The list contains two-tuples with <c>Key</c>s
- as first element, and <c>Value</c>s as second element. The
- order of these tuples is undefined. The following
- tuples can be part of the list, but more tuples can be
- introduced in the future:</p>
- <taglist>
- <tag><c>{function, Function}</c></tag>
- <item><p><c>Function</c> is the name of the function
- used. This tuple always exists if OS monotonic time is
- available to the runtime system.</p>
- </item>
- <tag><c>{clock_id, ClockId}</c></tag>
- <item><p>This tuple only exists if <c>Function</c>
- can be used with different clocks. <c>ClockId</c>
- corresponds to the clock identifier used when calling
- <c>Function</c>.</p>
- </item>
- <tag><c>{resolution, OsMonotonicTimeResolution}</c></tag>
- <item><p>Highest possible
- <seealso marker="time_correction#Time_Resolution">
- resolution</seealso>
- of current OS monotonic time source as parts per
- second. If no resolution information can be retrieved
- from the OS, <c>OsMonotonicTimeResolution</c> is
- set to the resolution of the time unit of
- <c>Function</c>s return value. That is, the actual
- resolution can be lower than
- <c>OsMonotonicTimeResolution</c>. Notice that
- the resolution does not say anything about the
- <seealso marker="time_correction#Time_Accuracy">
- accuracy</seealso> or whether the
- <seealso marker="time_correction#Time_Precision">
- precision</seealso> aligns with the resolution. You do,
- however, know that the precision is not better than
- <c>OsMonotonicTimeResolution</c>.</p>
- </item>
- <tag><c>{extended, Extended}</c></tag>
- <item><p><c>Extended</c> equals <c>yes</c> if
- the range of time values has been extended;
- otherwise <c>Extended</c> equals <c>no</c>. The
- range must be extended if <c>Function</c>
- returns values that wrap fast. This typically
- is the case when the return value is a 32-bit value.</p>
- </item>
- <tag><c>{parallel, Parallel}</c></tag>
- <item><p><c>Parallel</c> equals <c>yes</c> if
- <c>Function</c> is called in parallel from multiple
- threads. If it is not called in parallel, because
- calls must be serialized, <c>Parallel</c> equals
- <c>no</c>.</p>
- </item>
- <tag><c>{time, OsMonotonicTime}</c></tag>
- <item><p><c>OsMonotonicTime</c> equals current OS
- monotonic time in <c>native</c>
- <seealso marker="#type_time_unit">time unit</seealso>.</p>
- </item>
- </taglist>
- </item>
- <tag><marker id="system_info_os_system_time_source"/>
- <c>os_system_time_source</c></tag>
- <item>
- <p>Returns a list containing information about the source of
- <seealso marker="erts:time_correction#OS_System_Time">OS
- system time</seealso> that is used by the runtime system.</p>
- <p>The list contains two-tuples with <c>Key</c>s
- as first element, and <c>Value</c>s as second element. The
- order if these tuples is undefined. The following
- tuples can be part of the list, but more tuples can be
- introduced in the future:</p>
- <taglist>
- <tag><c>{function, Function}</c></tag>
- <item><p><c>Function</c> is the name of the funcion used.</p>
- </item>
- <tag><c>{clock_id, ClockId}</c></tag>
- <item><p>Exists only if <c>Function</c>
- can be used with different clocks. <c>ClockId</c>
- corresponds to the clock identifier used when calling
- <c>Function</c>.</p>
- </item>
- <tag><c>{resolution, OsSystemTimeResolution}</c></tag>
- <item><p>Highest possible
- <seealso marker="time_correction#Time_Resolution">
- resolution</seealso>
- of current OS system time source as parts per
- second. If no resolution information can be retrieved
- from the OS, <c>OsSystemTimeResolution</c> is
- set to the resolution of the time unit of
- <c>Function</c>s return value. That is, the actual
- resolution can be lower than
- <c>OsSystemTimeResolution</c>. Notice that
- the resolution does not say anything about the
- <seealso marker="time_correction#Time_Accuracy">
- accuracy</seealso> or whether the
- <seealso marker="time_correction#Time_Precision">
- precision</seealso> do align with the resolution. You do,
- however, know that the precision is not better than
- <c>OsSystemTimeResolution</c>.</p>
- </item>
- <tag><c>{parallel, Parallel}</c></tag>
- <item><p><c>Parallel</c> equals <c>yes</c> if
- <c>Function</c> is called in parallel from multiple
- threads. If it is not called in parallel, because
- calls needs to be serialized, <c>Parallel</c> equals
- <c>no</c>.</p>
- </item>
- <tag><c>{time, OsSystemTime}</c></tag>
- <item><p><c>OsSystemTime</c> equals current OS
- system time in <c>native</c>
- <seealso marker="#type_time_unit">time unit</seealso>.</p>
- </item>
- </taglist>
- </item>
- <tag><c>port_parallelism</c></tag>
- <item>
- <marker id="system_info_port_parallelism"></marker>
- <p>Returns the default port parallelism scheduling hint used.
- For more information, see command-line argument
- <seealso marker="erl#+spp"><c>+spp</c></seealso>
- in <c>erl(1)</c>.</p>
- </item>
- <tag><marker id="system_info_port_count"/><c>port_count</c></tag>
- <item>
- <p>Returns the number of ports currently existing at the
- local node. The value is given as an integer. This is
- the same value as returned by
- <c>length(erlang:ports())</c>, but more efficient.</p>
- </item>
- <tag><c>port_limit</c></tag>
- <item>
- <marker id="system_info_port_limit"></marker>
- <p>Returns the maximum number of simultaneously existing
- ports at the local node as an integer. This limit can be
- configured at startup by using command-line flag
- <seealso marker="erl#+Q"><c>+Q</c></seealso> in <c>erl(1)</c>.</p>
- </item>
- <tag><marker id="system_info_process_count"/>
- <c>process_count</c></tag>
- <item>
- <p>Returns the number of processes currently existing at the
- local node. The value is given as an integer. This is
- the same value as returned by
- <c>length(processes())</c>, but more efficient.</p>
- </item>
- <tag><c>process_limit</c></tag>
- <item>
- <marker id="system_info_process_limit"></marker>
- <p>Returns the maximum number of simultaneously existing
- processes at the local node. The value is given as an
- integer. This limit can be configured at startup by using
- command-line flag <seealso marker="erl#+P"><c>+P</c></seealso>
- in <c>erl(1)</c>.</p>
- </item>
- <tag><c>procs</c></tag>
- <item>
- <p>Returns a binary containing a string of process and port
- information formatted as in Erlang crash dumps. For more
- information, see section <seealso marker="erts:crash_dump">
- How to interpret the Erlang crash dumps</seealso>
- in the User's Guide.</p>
- </item>
- <tag><c>scheduler_bind_type</c></tag>
- <item>
- <marker id="system_info_scheduler_bind_type"></marker>
<p>Returns information about how the user has requested
schedulers to be bound or not bound.</p>
<p>Notice that although a user has requested
@@ -8472,9 +8552,9 @@ ok
<seealso marker="#system_info_scheduler_bindings">
<c>erlang:system_info(scheduler_bindings)</c></seealso>.</p>
</item>
- <tag><c>scheduler_bindings</c></tag>
+ <tag><marker id="system_info_scheduler_bindings"/>
+ <c>scheduler_bindings</c></tag>
<item>
- <marker id="system_info_scheduler_bindings"></marker>
<p>Returns information about the currently used scheduler
bindings.</p>
<p>A tuple of a size equal to
@@ -8498,9 +8578,9 @@ ok
<seealso marker="#system_info_schedulers_online">
<c>erlang:system_info(schedulers_online)</c></seealso>.</p>
</item>
- <tag><c>scheduler_id</c></tag>
+ <tag><marker id="system_info_scheduler_id"/>
+ <c>scheduler_id</c></tag>
<item>
- <marker id="system_info_scheduler_id"></marker>
<p>Returns the scheduler ID (<c>SchedulerId</c>) of the
scheduler thread that the calling process is executing
on. <c><anno>SchedulerId</anno></c> is a positive integer,
@@ -8510,9 +8590,9 @@ ok
<seealso marker="#system_info_schedulers">
<c>erlang:system_info(schedulers)</c></seealso>.</p>
</item>
- <tag><c>schedulers</c></tag>
+ <tag><marker id="system_info_schedulers"/>
+ <c>schedulers</c></tag>
<item>
- <marker id="system_info_schedulers"></marker>
<p>Returns the number of scheduler threads used by
the emulator. Scheduler threads online schedules Erlang
processes and Erlang ports, and execute Erlang code
@@ -8539,9 +8619,9 @@ ok
<c>erlang:system_info(multi_scheduling_blockers)</c></seealso>.
</p>
</item>
- <tag><c>schedulers_online</c></tag>
+ <tag><marker id="system_info_schedulers_online"/>
+ <c>schedulers_online</c></tag>
<item>
- <marker id="system_info_schedulers_online"></marker>
<p>Returns the number of schedulers online. The scheduler
identifiers of schedulers online satisfy the relationship
<c><![CDATA[1 <= SchedulerId <=
@@ -8553,34 +8633,18 @@ ok
<c>erlang:system_flag(schedulers_online,
SchedulersOnline)</c></seealso>.</p>
</item>
- <tag><c>smp_support</c></tag>
+ <tag><marker id="system_info_smp_support"/>
+ <c>smp_support</c></tag>
<item>
<p>Returns <c>true</c>.</p>
</item>
- <tag><marker id="system_info_start_time"/><c>start_time</c></tag>
- <item>
- <p>The <seealso marker="#monotonic_time/0">Erlang monotonic
- time</seealso> in <c>native</c>
- <seealso marker="#type_time_unit">time unit</seealso> at the
- time when current Erlang runtime system instance started.</p>
- <p>See also <seealso marker="#system_info_end_time">
- <c>erlang:system_info(end_time)</c></seealso>.</p>
- </item>
- <tag><c>system_version</c></tag>
- <item>
- <p>Returns a string containing version number and
- some important properties, such as the number of schedulers.</p>
- </item>
- <tag><c>system_architecture</c></tag>
- <item>
- <p>Returns a string containing the processor and OS
- architecture the emulator is built for.</p>
- </item>
- <tag><c>threads</c></tag>
+ <tag><marker id="system_info_threads"/>
+ <c>threads</c></tag>
<item>
<p>Returns <c>true</c>.</p>
</item>
- <tag><c>thread_pool_size</c></tag>
+ <tag><marker id="system_info_thread_pool_size"/>
+ <c>thread_pool_size</c></tag>
<item>
<marker id="system_info_thread_pool_size"></marker>
<p>Returns the number of async threads in the async thread
@@ -8589,111 +8653,341 @@ ok
<c>erl_driver:driver_async()</c></seealso>).
The value is given as an integer.</p>
</item>
- <tag><c>time_correction</c></tag>
+ </taglist>
+ </desc>
+ </func>
+
+ <func>
+ <name name="system_info" arity="1" clause_i="14"
+ anchor="system_info_dist"/> <!-- creation -->
+ <name name="system_info" arity="1" clause_i="16"/> <!-- delayed_node_table_gc -->
+ <name name="system_info" arity="1" clause_i="20"/> <!-- dist -->
+ <name name="system_info" arity="1" clause_i="21"/> <!-- dist_buf_busy_limit -->
+ <name name="system_info" arity="1" clause_i="22"/> <!-- dist_ctrl -->
+ <fsummary>Information about erlang distribution.</fsummary>
+ <desc>
+ <marker id="system_info_dist_tags"/>
+ <p>Returns information about Erlang Distribution in the
+ current system as specified by <c><anno>Item</anno></c>:</p>
+ <taglist>
+ <tag><marker id="system_info_creation"/>
+ <c>creation</c></tag>
<item>
- <marker id="system_info_time_correction"></marker>
- <p>Returns a boolean value indicating whether
- <seealso marker="time_correction#Time_Correction">
- time correction</seealso> is enabled or not.</p>
+ <p>Returns the creation of the local node as an integer.
+ The creation is changed when a node is restarted. The
+ creation of a node is stored in process identifiers, port
+ identifiers, and references. This makes it (to some
+ extent) possible to distinguish between identifiers from
+ different incarnations of a node. The valid
+ creations are integers in the range 1..3, but this will
+ probably change in a future release. If the node is not
+ alive, <c>0</c> is returned.</p>
</item>
- <tag><c>time_offset</c></tag>
+ <tag><marker id="system_info_delayed_node_table_gc"/>
+ <c>delayed_node_table_gc</c></tag>
<item>
- <marker id="system_info_time_offset"></marker>
- <p>Returns the state of the time offset:</p>
- <taglist>
- <tag><c>preliminary</c></tag>
- <item>
- <p>The time offset is preliminary, and will be changed
- and finalized later. The preliminary time offset
- is used during the preliminary phase of the
- <seealso marker="time_correction#Single_Time_Warp_Mode">
- single time warp mode</seealso>.</p>
- </item>
- <tag><c>final</c></tag>
- <item>
- <p>The time offset is final. This either because
- <seealso marker="time_correction#No_Time_Warp_Mode">
- no time warp mode</seealso> is used, or because the time
- offset have been finalized when
- <seealso marker="time_correction#Single_Time_Warp_Mode">
- single time warp mode</seealso> is used.</p>
- </item>
- <tag><c>volatile</c></tag>
- <item>
- <p>The time offset is volatile. That is, it can
- change at any time. This is because
- <seealso marker="time_correction#Multi_Time_Warp_Mode">
- multi-time warp mode</seealso> is used.</p>
- </item>
- </taglist>
+ <p>Returns the amount of time in seconds garbage collection
+ of an entry in a node table is delayed. This limit can be set
+ on startup by passing command-line flag
+ <seealso marker="erts:erl#+zdntgc"><c>+zdntgc</c></seealso>
+ to <c>erl(1)</c>. For more information, see the documentation of
+ the command-line flag.</p>
</item>
- <tag><marker id="system_info_time_warp_mode"/>
- <c>time_warp_mode</c></tag>
+ <tag><marker id="system_info_dist"/>
+ <c>dist</c></tag>
<item>
- <p>Returns a value identifying the
- <seealso marker="time_correction#Time_Warp_Modes">
- time warp mode</seealso> that is used:</p>
- <taglist>
- <tag><c>no_time_warp</c></tag>
- <item>The <seealso marker="time_correction#No_Time_Warp_Mode">
- no time warp mode</seealso> is used.
- </item>
- <tag><c>single_time_warp</c></tag>
- <item>The <seealso marker="time_correction#Single_Time_Warp_Mode">
- single time warp mode</seealso> is used.
- </item>
- <tag><c>multi_time_warp</c></tag>
- <item>The <seealso marker="time_correction#Multi_Time_Warp_Mode">
- multi-time warp mode</seealso> is used.
- </item>
- </taglist>
+ <p>Returns a binary containing a string of distribution
+ information formatted as in Erlang crash dumps. For more
+ information, see section <seealso marker="erts:crash_dump">
+ How to interpret the Erlang crash dumps</seealso>
+ in the User's Guide.</p>
</item>
- <tag><c>tolerant_timeofday</c></tag>
+ <tag><marker id="system_info_dist_buf_busy_limit"/>
+ <c>dist_buf_busy_limit</c></tag>
<item>
- <marker id="system_info_tolerant_timeofday"></marker>
- <p>Returns whether a pre ERTS 7.0 backwards compatible
- compensation for sudden changes of system time is <c>enabled</c>
- or <c>disabled</c>. Such compensation is <c>enabled</c> when the
- <seealso marker="#system_info_time_offset">time offset</seealso>
- is <c>final</c>, and
- <seealso marker="#system_info_time_correction">
- time correction</seealso> is enabled.</p>
+ <p>Returns the value of the distribution buffer busy limit
+ in bytes. This limit can be set at startup by passing
+ command-line flag
+ <seealso marker="erts:erl#+zdbbl"><c>+zdbbl</c></seealso>
+ to <c>erl(1)</c>.</p>
</item>
- <tag><c>trace_control_word</c></tag>
+ <tag><marker id="system_info_dist_ctrl"/>
+ <c>dist_ctrl</c></tag>
+ <item>
+ <p>Returns a list of tuples
+ <c>{<anno>Node</anno>, <anno>ControllingEntity</anno>}</c>,
+ one entry for each connected remote node.
+ <c><anno>Node</anno></c> is the node name
+ and <c><anno>ControllingEntity</anno></c> is the port or process
+ identifier responsible for the communication to that node.
+ More specifically, <c><anno>ControllingEntity</anno></c> for
+ nodes connected through TCP/IP (the normal case) is the socket
+ used in communication with the specific node.</p>
+ </item>
+ </taglist>
+ </desc>
+ </func>
+
+ <func>
+ <!-- <name name="system_info" arity="1" clause_i="1"/> allocated_areas -->
+ <!-- <name name="system_info" arity="1" clause_i="2"/> allocated -->
+ <!-- <name name="system_info" arity="1" clause_i="3"/> {allocator, _} -->
+ <!-- <name name="system_info" arity="1" clause_i="4"/> alloc_util_allocators -->
+ <!-- <name name="system_info" arity="1" clause_i="5"/> {allocator_sizes, _} -->
+ <!-- <name name="system_info" arity="1" clause_i="6"/> atom_count -->
+ <!-- <name name="system_info" arity="1" clause_i="7"/> atom_limit -->
+ <name name="system_info" arity="1" clause_i="8"
+ anchor="system_info_misc"/> <!-- build_type -->
+ <name name="system_info" arity="1" clause_i="9"/> <!-- c_compiler_used -->
+ <name name="system_info" arity="1" clause_i="10"/> <!-- check_io -->
+ <name name="system_info" arity="1" clause_i="11"/> <!-- compat_rel -->
+ <!-- <name name="system_info" arity="1" clause_i="12"/> cpu_topology -->
+ <!-- <name name="system_info" arity="1" clause_i="13"/> {cpu_topology, _} -->
+ <!-- <name name="system_info" arity="1" clause_i="14"/> creation -->
+ <name name="system_info" arity="1" clause_i="15"/> <!-- debug_compiled -->
+ <!-- <name name="system_info" arity="1" clause_i="16"/> delayed_node_table_gc -->
+ <!-- <name name="system_info" arity="1" clause_i="17"/> dirty_cpu_schedulers -->
+ <!-- <name name="system_info" arity="1" clause_i="18"/> dirty_cpu_schedulers_online -->
+ <!-- <name name="system_info" arity="1" clause_i="19"/> dirty_io_schedulers -->
+ <!-- <name name="system_info" arity="1" clause_i="20"/> dist -->
+ <!-- <name name="system_info" arity="1" clause_i="21"/> dist_buf_busy_limit -->
+ <!-- <name name="system_info" arity="1" clause_i="22"/> dist_ctrl -->
+ <name name="system_info" arity="1" clause_i="23"/> <!-- driver_version -->
+ <name name="system_info" arity="1" clause_i="24"/> <!-- dynamic_trace -->
+ <name name="system_info" arity="1" clause_i="25"/> <!-- dynamic_trace_probes -->
+ <!-- <name name="system_info" arity="1" clause_i="26"/> end_time -->
+ <!-- <name name="system_info" arity="1" clause_i="27"/> elib_malloc -->
+ <!-- <name name="system_info" arity="1" clause_i="28"/> eager_check_io, removed -->
+ <!-- <name name="system_info" arity="1" clause_i="29"/> ets_limit -->
+ <!-- <name name="system_info" arity="1" clause_i="30"/> fullsweep_after -->
+ <!-- <name name="system_info" arity="1" clause_i="31"/> garbage_collection -->
+ <!-- <name name="system_info" arity="1" clause_i="32"/> heap_sizes -->
+ <!-- <name name="system_info" arity="1" clause_i="33"/> heap_type -->
+ <name name="system_info" arity="1" clause_i="34"/> <!-- info -->
+ <name name="system_info" arity="1" clause_i="35"/> <!-- kernel_poll -->
+ <name name="system_info" arity="1" clause_i="36"/> <!-- loaded -->
+ <!-- <name name="system_info" arity="1" clause_i="37"/> logical_processors -->
+ <name name="system_info" arity="1" clause_i="38"/> <!-- machine -->
+ <!-- <name name="system_info" arity="1" clause_i="39"/> max_heap_size -->
+ <!-- <name name="system_info" arity="1" clause_i="40"/> message_queue_data -->
+ <!-- <name name="system_info" arity="1" clause_i="41"/> min_heap_size -->
+ <!-- <name name="system_info" arity="1" clause_i="42"/> min_bin_vheap_size -->
+ <name name="system_info" arity="1" clause_i="43"/> <!-- modified_timing_level -->
+ <!-- <name name="system_info" arity="1" clause_i="44"/> multi_scheduling -->
+ <!-- <name name="system_info" arity="1" clause_i="45"/> multi_scheduling_blockers -->
+ <name name="system_info" arity="1" clause_i="46"/> <!-- nif_version -->
+ <!-- n<name name="system_info" arity="1" clause_i="47"/> ormal_multi_scheduling_blockers -->
+ <name name="system_info" arity="1" clause_i="48"/> <!-- otp_release -->
+ <!-- <name name="system_info" arity="1" clause_i="49"/> os_monotonic_time_source -->
+ <!-- <name name="system_info" arity="1" clause_i="50"/> os_system_time_source -->
+ <name name="system_info" arity="1" clause_i="51"/> <!-- port_parallelism -->
+ <!-- <name name="system_info" arity="1" clause_i="52"/> port_count -->
+ <!-- <name name="system_info" arity="1" clause_i="53"/> port_limit -->
+ <!-- <name name="system_info" arity="1" clause_i="54"/> process_count -->
+ <!-- <name name="system_info" arity="1" clause_i="55"/> process_limit -->
+ <!-- <name name="system_info" arity="1" clause_i="56"/> procs -->
+ <!-- <name name="system_info" arity="1" clause_i="57"/> scheduler_bind_type -->
+ <!-- <name name="system_info" arity="1" clause_i="58"/> scheduler_bindings -->
+ <!-- <name name="system_info" arity="1" clause_i="59"/> scheduler_id -->
+ <!-- <name name="system_info" arity="1" clause_i="60"/> schedulers -->
+ <!-- <name name="system_info" arity="1" clause_i="61"/> smp_support -->
+ <!-- <name name="system_info" arity="1" clause_i="62"/> start_time -->
+ <name name="system_info" arity="1" clause_i="63"/> <!-- system_version -->
+ <name name="system_info" arity="1" clause_i="64"/> <!-- system_architecture -->
+ <!-- <name name="system_info" arity="1" clause_i="65"/> threads -->
+ <!-- <name name="system_info" arity="1" clause_i="66"/> thread_pool_size -->
+ <!-- <name name="system_info" arity="1" clause_i="67"/> time_correction -->
+ <!-- <name name="system_info" arity="1" clause_i="68"/> time_offset -->
+ <!-- <name name="system_info" arity="1" clause_i="69"/> time_warp_mode -->
+ <!-- <name name="system_info" arity="1" clause_i="70"/> tolerant_timeofday -->
+ <name name="system_info" arity="1" clause_i="71"/> <!-- trace_control_word -->
+ <!-- <name name="system_info" arity="1" clause_i="72"/> update_cpu_info -->
+ <name name="system_info" arity="1" clause_i="73"/> <!-- version -->
+ <name name="system_info" arity="1" clause_i="74"/> <!-- wordsize -->
+ <!-- <name name="system_info" arity="1" clause_i="75"/> overview -->
+ <fsummary>Information about the system.</fsummary>
+ <desc>
+ <marker id="system_info_misc_tags"/>
+ <p>Returns various information about the current system
+ (emulator) as specified by <c><anno>Item</anno></c>:</p>
+ <taglist>
+ <tag><marker id="system_info_build_type"/>
+ <c>build_type</c></tag>
+ <item>
+ <p>Returns an atom describing the build type of the runtime
+ system. This is normally the atom <c>opt</c> for optimized.
+ Other possible return values are <c>debug</c>, <c>purify</c>,
+ <c>quantify</c>, <c>purecov</c>, <c>gcov</c>, <c>valgrind</c>,
+ <c>gprof</c>, and <c>lcnt</c>. Possible return values
+ can be added or removed at any time without prior notice.</p>
+ </item>
+ <tag><marker id="system_info_c_compiler_used"/>
+ <c>c_compiler_used</c></tag>
+ <item>
+ <p>Returns a two-tuple describing the C compiler used when
+ compiling the runtime system. The first element is an
+ atom describing the name of the compiler, or <c>undefined</c>
+ if unknown. The second element is a term describing the
+ version of the compiler, or <c>undefined</c> if unknown.</p>
+ </item>
+ <tag><marker id="system_info_check_io"/>
+ <c>check_io</c></tag>
+ <item>
+ <p>Returns a list containing miscellaneous information
+ about the emulators internal I/O checking. Notice that
+ the content of the returned list can vary between
+ platforms and over time. It is only guaranteed
+ that a list is returned.</p>
+ </item>
+ <tag><marker id="system_info_compat_rel"/>
+ <c>compat_rel</c></tag>
+ <item>
+ <p>Returns the compatibility mode of the local node as
+ an integer. The integer returned represents the
+ Erlang/OTP release that the current emulator has been
+ set to be backward compatible with. The compatibility
+ mode can be configured at startup by using command-line flag
+ <seealso marker="erts:erl#compat_rel"><c>+R</c></seealso> in
+ <c>erl(1)</c>.</p>
+ </item>
+ <tag><marker id="system_info_debug_compiled"/>
+ <c>debug_compiled</c></tag>
+ <item>
+ <p>Returns <c>true</c> if the emulator has been
+ debug-compiled, otherwise <c>false</c>.</p>
+ </item>
+ <tag><marker id="system_info_driver_version"/>
+ <c>driver_version</c></tag>
+ <item>
+ <p>Returns a string containing the Erlang driver version
+ used by the runtime system. It has the form
+ <seealso marker="erts:erl_driver#version_management">
+ "&lt;major ver&gt;.&lt;minor ver&gt;"</seealso>.</p>
+ </item>
+ <tag><marker id="system_info_dynamic_trace"/>
+ <c>dynamic_trace</c></tag>
+ <item>
+ <p>Returns an atom describing the dynamic trace framework
+ compiled into the virtual machine. It can be
+ <c>dtrace</c>, <c>systemtap</c>, or <c>none</c>. For a
+ commercial or standard build, it is always <c>none</c>.
+ The other return values indicate a custom configuration
+ (for example, <c>./configure --with-dynamic-trace=dtrace</c>).
+ For more information about dynamic tracing, see
+ <seealso marker="runtime_tools:dyntrace">
+ <c>dyntrace(3)</c></seealso> manual page and the
+ <c>README.dtrace</c>/<c>README.systemtap</c> files in the
+ Erlang source code top directory.</p>
+ </item>
+ <tag><marker id="system_info_dynamic_trace_probes"/>
+ <c>dynamic_trace_probes</c></tag>
+ <item>
+ <p>Returns a <c>boolean()</c> indicating if dynamic trace
+ probes (<c>dtrace</c> or <c>systemtap</c>) are built into
+ the emulator. This can only be <c>true</c> if the virtual
+ machine was built for dynamic tracing (that is,
+ <c>system_info(dynamic_trace)</c> returns
+ <c>dtrace</c> or <c>systemtap</c>).</p>
+ </item>
+ <tag><marker id="system_info_info"/>
+ <c>info</c></tag>
+ <item>
+ <p>Returns a binary containing a string of miscellaneous
+ system information formatted as in Erlang crash dumps.
+ For more information, see section
+ <seealso marker="erts:crash_dump">
+ How to interpret the Erlang crash dumps</seealso>
+ in the User's Guide.</p>
+ </item>
+ <tag><marker id="system_info_kernel_poll"/>
+ <c>kernel_poll</c></tag>
+ <item>
+ <p>Returns <c>true</c> if the emulator uses some kind of
+ kernel-poll implementation, otherwise <c>false</c>.</p>
+ </item>
+ <tag><marker id="system_info_loaded"/>
+ <c>loaded</c></tag>
+ <item>
+ <p>Returns a binary containing a string of loaded module
+ information formatted as in Erlang crash dumps. For more
+ information, see section
+ <seealso marker="erts:crash_dump">How to interpret the Erlang
+ crash dumps</seealso> in the User's Guide.</p>
+ </item>
+ <tag><marker id="system_info_machine"/>
+ <c>machine</c></tag>
+ <item>
+ <p>Returns a string containing the Erlang machine name.</p>
+ </item>
+ <tag><marker id="system_info_modified_timing_level"/>
+ <c>modified_timing_level</c></tag>
+ <item>
+ <p>Returns the modified timing-level (an integer) if
+ modified timing is enabled, otherwise <c>undefined</c>.
+ For more information about modified timing, see
+ command-line flag
+ <seealso marker="erts:erl#+T"><c>+T</c></seealso>
+ in <c>erl(1)</c></p>
+ </item>
+ <tag><marker id="system_info_nif_version"/>
+ <c>nif_version</c></tag>
+ <item>
+ <p>Returns a string containing the version of the Erlang NIF
+ interface used by the runtime system. It is on the form
+ "&lt;major ver&gt;.&lt;minor ver&gt;".</p>
+ </item>
+ <tag><marker id="system_info_otp_release"/>
+ <c>otp_release</c></tag>
+ <item>
+ <marker id="system_info_otp_release"></marker>
+ <p>Returns a string containing the OTP release number of the
+ OTP release that the currently executing ERTS application
+ is part of.</p>
+ <p>As from Erlang/OTP 17, the OTP release number corresponds to
+ the major OTP version number. No
+ <c>erlang:system_info()</c> argument gives the exact OTP
+ version. This is because the exact OTP version in the general case
+ is difficult to determine. For more information, see the
+ description of versions in
+ <seealso marker="doc/system_principles:versions">
+ System principles</seealso> in System Documentation.</p>
+ </item>
+ <tag><marker id="system_info_port_parallelism"/>
+ <c>port_parallelism</c></tag>
+ <item>
+ <p>Returns the default port parallelism scheduling hint used.
+ For more information, see command-line argument
+ <seealso marker="erl#+spp"><c>+spp</c></seealso>
+ in <c>erl(1)</c>.</p>
+ </item>
+ <tag><marker id="system_info_system_version"/>
+ <c>system_version</c></tag>
+ <item>
+ <p>Returns a string containing version number and
+ some important properties, such as the number of schedulers.</p>
+ </item>
+ <tag><marker id="system_info_system_architecture"/>
+ <c>system_architecture</c></tag>
+ <item>
+ <p>Returns a string containing the processor and OS
+ architecture the emulator is built for.</p>
+ </item>
+ <tag><marker id="system_info_trace_control_word"/>
+ <c>trace_control_word</c></tag>
<item>
<p>Returns the value of the node trace control word. For
more information, see function <c>get_tcw</c> in section
<seealso marker="erts:match_spec#get_tcw">
Match Specifications in Erlang</seealso> in the User's Guide.</p>
</item>
- <tag><c>update_cpu_info</c></tag>
- <item>
- <marker id="update_cpu_info"></marker>
- <p>The runtime system rereads the CPU information available
- and updates its internally stored information about the
- <seealso marker="#system_info_cpu_topology_detected">detected
- CPU topology</seealso> and the number of logical processors
- <seealso marker="#logical_processors">configured</seealso>,
- <seealso marker="#logical_processors_online">online</seealso>,
- and <seealso marker="#logical_processors_available">
- available</seealso>.</p>
- <p>If the CPU information has changed since the last time
- it was read, the atom <c>changed</c> is returned, otherwise
- the atom <c>unchanged</c>. If the CPU information has changed,
- you probably want to
- <seealso marker="#system_flag_schedulers_online">adjust the
- number of schedulers online</seealso>. You typically want
- to have as many schedulers online as
- <seealso marker="#logical_processors_available">logical
- processors available</seealso>.</p>
- </item>
- <tag><c>version</c></tag>
+ <tag><marker id="system_info_version"/>
+ <c>version</c></tag>
<item>
- <marker id="system_info_version"></marker>
<p>Returns a string containing the version number of the
emulator.</p>
</item>
- <tag><c>wordsize</c></tag>
+ <tag><marker id="system_info_wordsize"/>
+ <c>wordsize</c></tag>
<item>
<p>Same as <c>{wordsize, internal}</c>.</p>
</item>
@@ -8715,13 +9009,6 @@ ok
64-bit architecture, 8 is returned.</p>
</item>
</taglist>
- <note>
- <p>Argument <c>scheduler</c> has changed name to
- <c>scheduler_id</c> to avoid mix up with argument
- <c>schedulers</c>. Argument <c>scheduler</c> was
- introduced in ERTS 5.5 and renamed in
- ERTS 5.5.1.</p>
- </note>
</desc>
</func>
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index 580780e73b..049ffe560a 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -225,6 +225,33 @@
used. The time complexity is proportional to log N, where
N is the number of free blocks.</p>
</item>
+ <tag>Age order first fit carrier address order first fit</tag>
+ <item>
+ <p>Strategy: Find the <em>oldest carrier</em> that
+ can satisfy the requested block size, then find a block within
+ that carrier using the "address order first fit" strategy.</p>
+ <p>Implementation: A balanced binary search tree is
+ used. The time complexity is proportional to log N, where
+ N is the number of free blocks.</p>
+ </item>
+ <tag>Age order first fit carrier best fit</tag>
+ <item>
+ <p>Strategy: Find the <em>oldest carrier</em> that
+ can satisfy the requested block size, then find a block within
+ that carrier using the "best fit" strategy.</p>
+ <p>Implementation: Balanced binary search trees are
+ used. The time complexity is proportional to log N, where
+ N is the number of free blocks.</p>
+ </item>
+ <tag>Age order first fit carrier address order best fit</tag>
+ <item>
+ <p>Strategy: Find the <em>oldest carrier</em> that
+ can satisfy the requested block size, then find a block within
+ that carrier using the "address order best fit" strategy.</p>
+ <p>Implementation: Balanced binary search trees are
+ used. The time complexity is proportional to log N, where
+ N is the number of free blocks.</p>
+ </item>
<tag>Good fit</tag>
<item>
<p>Strategy: Try to find the best fit, but settle for the best fit
@@ -467,7 +494,8 @@
fetched, it will function as an ordinary carrier. This feature has
special requirements on the
<seealso marker="#M_as">allocation strategy</seealso> used. Only
- the strategies <c>aoff</c>, <c>aoffcbf</c>, and <c>aoffcaobf</c>
+ the strategies <c>aoff</c>, <c>aoffcbf</c>, <c>aoffcaobf</c>,
+ <c>ageffcaoff</c>m, <c>ageffcbf</c> and <c>ageffcaobf</c>
support abandoned carriers.</p>
<p>This feature also requires
<seealso marker="#M_t">multiple thread specific instances</seealso>
@@ -478,8 +506,30 @@
allocators based on the <c>alloc_util</c> framework, except
<c>temp_alloc</c> (which would be pointless).</p>
</item>
+
+ <tag><marker id="M_acfml"/><c><![CDATA[+M<S>acfml <bytes>]]></c>
+ </tag>
+ <item>
+ <p>Abandon carrier free block min limit. A valid <c><![CDATA[<bytes>]]></c>
+ is a positive integer representing a block size limit. The largest
+ free block in a carrier must be at least <c>bytes</c> large, for the
+ carrier to be abandoned. The default is zero but can be changed
+ in the future.</p>
+ <p>See also <seealso marker="#M_acul"><c>acul</c></seealso>.</p>
+ </item>
+
+ <tag><marker id="M_acnl"/><c><![CDATA[+M<S>acnl <amount>]]></c>
+ </tag>
+ <item>
+ <p>Abandon carrier number limit. A valid <c><![CDATA[<amount>]]></c>
+ is a positive integer representing max number of abandoned carriers per
+ allocator instance. Defaults to 1000 which will practically disable
+ the limit, but this can be changed in the future.</p>
+ <p>See also <seealso marker="#M_acul"><c>acul</c></seealso>.</p>
+ </item>
+
<tag><marker id="M_as"/>
- <c><![CDATA[+M<S>as bf|aobf|aoff|aoffcbf|aoffcaobf|gf|af]]></c></tag>
+ <c><![CDATA[+M<S>as bf|aobf|aoff|aoffcbf|aoffcaobf|ageffcaoff|ageffcbf|ageffcaobf|gf|af]]></c></tag>
<item>
<p>Allocation strategy. The following strategies are valid:</p>
<list type="bulleted">
@@ -490,6 +540,11 @@
</item>
<item><c>aoffcaobf</c> (address order first fit carrier address
order best fit)</item>
+ <item><c>ageffcaoff</c> (age order first fit carrier address order first fit)</item>
+ <item><c>ageffcbf</c> (age order first fit carrier best fit)
+ </item>
+ <item><c>ageffcaobf</c> (age order first fit carrier address
+ order best fit)</item>
<item><c>gf</c> (good fit)</item>
<item><c>af</c> (a fit)</item>
</list>
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index e91e56e581..7ef42c2318 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -31,6 +31,48 @@
</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 9.2.1</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Improve search algorithm of abandoned memory carriers.
+ Instead of limited linear search, each allocator instance
+ maintain a balanced search tree of all its abandoned
+ carriers for faster and more exhaustive search.</p>
+ <p>
+ Own Id: OTP-14915 Aux Id: ERIERL-88 </p>
+ </item>
+ <item>
+ <p>
+ New erts_alloc command line options <c>+M_acnl</c> and
+ <c>+M_acfml</c> to limit carrier abandonment.</p>
+ <p>
+ Own Id: OTP-14916 Aux Id: ERIERL-88 </p>
+ </item>
+ <item>
+ <p>
+ New family of <c>erts_alloc</c> strategies: Age Order
+ First Fit. Similar to "address order", but instead the
+ oldest possible carrier is always chosen for allocation.</p>
+ <p>
+ Own Id: OTP-14917 Aux Id: ERIERL-88 </p>
+ </item>
+ <item>
+ <p>
+ Add possibility to change allocator options at runtime
+ with <c>system_info(erts_alloc, ...)</c>. Only option
+ <c>sbct</c> (single block carrier threshold) is currently
+ supported via this interface.</p>
+ <p>
+ Own Id: OTP-14918 Aux Id: ERIERL-88 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 9.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
@@ -10922,7 +10964,7 @@
<c>update_cpu_info</c> will make the runtime system
reread and update the internally stored CPU information.
For more information see the documentation of <seealso
- marker="erlang#update_cpu_info">erlang:system_info(update_cpu_info)</seealso>.</p>
+ marker="erlang#system_info_update_cpu_info">erlang:system_info(update_cpu_info)</seealso>.</p>
<p>
The CPU topology is now automatically detected on Windows
systems with less than 33 logical processors. The runtime
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index cb4fab51f1..42a368cdd8 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -124,7 +124,6 @@ atom big
atom bif_return_trap
atom bif_timer_server
atom binary
-atom binary_bin_to_list_trap
atom binary_copy_trap
atom binary_find_trap
atom binary_longest_prefix_trap
@@ -577,7 +576,8 @@ atom running_procs
atom runtime
atom safe
atom save_calls
-atom scheduler
+atom sbct
+atom scheduler
atom scheduler_id
atom scheduler_wall_time
atom scheduler_wall_time_all
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index f086c434ea..bfd572335f 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -1744,7 +1744,6 @@ BIF_RETTYPE process_flag_2(BIF_ALIST_2)
else if (BIF_ARG_1 == am_scheduler) {
ErtsRunQueue *old, *new, *curr;
Sint sched;
- erts_aint32_t state;
if (!is_small(BIF_ARG_2))
goto error;
@@ -1753,23 +1752,23 @@ BIF_RETTYPE process_flag_2(BIF_ALIST_2)
goto error;
if (sched == 0) {
+ old = erts_bind_runq_proc(BIF_P, 0);
new = NULL;
- state = erts_atomic32_read_band_mb(&BIF_P->state,
- ~ERTS_PSFLG_BOUND);
}
else {
+ int bound = !0;
new = erts_schedid2runq(sched);
- erts_atomic_set_nob(&BIF_P->run_queue, (erts_aint_t) new);
- state = erts_atomic32_read_bor_mb(&BIF_P->state,
- ERTS_PSFLG_BOUND);
+ old = erts_set_runq_proc(BIF_P, new, &bound);
+ if (!bound)
+ old = NULL;
}
+ old_value = old ? make_small(old->ix+1) : make_small(0);
+
curr = erts_proc_sched_data(BIF_P)->run_queue;
- old = (ERTS_PSFLG_BOUND & state) ? curr : NULL;
ASSERT(!old || old == curr);
- old_value = old ? make_small(old->ix+1) : make_small(0);
if (new && new != curr)
ERTS_BIF_YIELD_RETURN_X(BIF_P, old_value, am_scheduler);
else
@@ -4805,6 +4804,8 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2)
"scheduled for removal in Erlang/OTP 18. For more\n"
"information see the erlang:system_flag/2 documentation.\n");
return erts_bind_schedulers(BIF_P, BIF_ARG_2);
+ } else if (ERTS_IS_ATOM_STR("erts_alloc", BIF_ARG_1)) {
+ return erts_alloc_set_dyn_param(BIF_P, BIF_ARG_2);
}
error:
BIF_ERROR(BIF_P, BADARG);
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index c0d5e8ce74..0d1166f6ed 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -551,9 +551,6 @@ bif binary:last/1
bif binary:at/2
bif binary:part/2 binary_binary_part_2
bif binary:part/3 binary_binary_part_3
-bif binary:bin_to_list/1
-bif binary:bin_to_list/2
-bif binary:bin_to_list/3
bif binary:list_to_bin/1
bif binary:copy/1
bif binary:copy/2
@@ -696,3 +693,4 @@ bif erlang:iolist_to_iovec/1
bif erts_internal:new_connection/1
bif erts_internal:abort_connection/2
bif erts_internal:map_next/3
+bif ets:whereis/1
diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c
index d4db1a4188..95d324d2c1 100644
--- a/erts/emulator/beam/binary.c
+++ b/erts/emulator/beam/binary.c
@@ -953,7 +953,10 @@ HIPE_WRAPPER_BIF_DISABLE_GC(iolist_to_binary, 1)
BIF_RETTYPE iolist_to_binary_1(BIF_ALIST_1)
{
if (is_binary(BIF_ARG_1)) {
- BIF_RET(BIF_ARG_1);
+ if (binary_bitsize(BIF_ARG_1) == 0) {
+ BIF_RET(BIF_ARG_1);
+ }
+ BIF_ERROR(BIF_P, BADARG);
}
return erts_list_to_binary_bif(BIF_P, BIF_ARG_1, bif_export[BIF_iolist_to_binary_1]);
}
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index e7acea0c5f..b9b70cd8ef 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -336,6 +336,12 @@ print_process_info(fmtfn_t to, void *to_arg, Process *p)
erts_print(to, to_arg, "Heap unused: %bpu\n", (p->hend - p->htop));
erts_print(to, to_arg, "OldHeap unused: %bpu\n",
(OLD_HEAP(p) == NULL) ? 0 : (OLD_HEND(p) - OLD_HTOP(p)) );
+ erts_print(to, to_arg, "BinVHeap: %b64u\n", p->off_heap.overhead);
+ erts_print(to, to_arg, "OldBinVHeap: %b64u\n", BIN_OLD_VHEAP(p));
+ erts_print(to, to_arg, "BinVHeap unused: %b64u\n",
+ BIN_VHEAP_SZ(p) - p->off_heap.overhead);
+ erts_print(to, to_arg, "OldBinVHeap unused: %b64u\n",
+ BIN_OLD_VHEAP_SZ(p) - BIN_OLD_VHEAP(p));
erts_print(to, to_arg, "Memory: %beu\n", erts_process_memory(p, !0));
if (garbing) {
@@ -891,6 +897,21 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
erts_print_scheduler_info(to, to_arg, ERTS_SCHEDULER_IX(i)),
erts_cbprintf(to, to_arg, "** crashed **\n"));
}
+ for (i = 0; i < erts_no_dirty_cpu_schedulers; i++) {
+ ERTS_SYS_TRY_CATCH(
+ erts_print_scheduler_info(to, to_arg, ERTS_DIRTY_CPU_SCHEDULER_IX(i)),
+ erts_cbprintf(to, to_arg, "** crashed **\n"));
+ }
+ erts_cbprintf(to, to_arg, "=dirty_cpu_run_queue\n");
+ erts_print_run_queue_info(to, to_arg, ERTS_DIRTY_CPU_RUNQ);
+
+ for (i = 0; i < erts_no_dirty_io_schedulers; i++) {
+ ERTS_SYS_TRY_CATCH(
+ erts_print_scheduler_info(to, to_arg, ERTS_DIRTY_IO_SCHEDULER_IX(i)),
+ erts_cbprintf(to, to_arg, "** crashed **\n"));
+ }
+ erts_cbprintf(to, to_arg, "=dirty_io_run_queue\n");
+ erts_print_run_queue_info(to, to_arg, ERTS_DIRTY_IO_RUNQ);
#endif
diff --git a/erts/emulator/beam/bs_instrs.tab b/erts/emulator/beam/bs_instrs.tab
index b11903a47b..94e0000c8b 100644
--- a/erts/emulator/beam/bs_instrs.tab
+++ b/erts/emulator/beam/bs_instrs.tab
@@ -990,6 +990,9 @@ ctx_to_bin.execute() {
Uint hole_size;
Uint orig = mb->orig;
ErlSubBin* sb = (ErlSubBin *) boxed_val(context);
+ /* Since we're going to overwrite the match state with the result, an
+ * ErlBinMatchState must be at least as large as an ErlSubBin. */
+ ERTS_CT_ASSERT(sizeof(ErlSubBin) <= sizeof(ErlBinMatchState));
hole_size = 1 + header_arity(sb->thing_word) - ERL_SUB_BIN_SIZE;
sb->thing_word = HEADER_SUB_BIN;
sb->size = BYTE_OFFSET(size);
diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c
index 10bf197405..7769a914db 100644
--- a/erts/emulator/beam/copy.c
+++ b/erts/emulator/beam/copy.c
@@ -611,7 +611,7 @@ Eterm copy_struct_x(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap, Uint
Eterm* htop;
Eterm* hbot;
Eterm* hp;
- Eterm* objp;
+ Eterm* ERTS_RESTRICT objp;
Eterm* tp;
Eterm res;
Eterm elem;
@@ -1821,7 +1821,8 @@ all_clean:
*
* NOTE: Assumes that term is a tuple (ptr is an untagged tuple ptr).
*/
-Eterm copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap)
+Eterm copy_shallow(Eterm* ERTS_RESTRICT ptr, Uint sz, Eterm** hpp,
+ ErlOffHeap* off_heap)
{
Eterm* tp = ptr;
Eterm* hp = *hpp;
@@ -1985,7 +1986,7 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite
if (is_header(val)) {
struct erl_off_heap_header* hdr = (struct erl_off_heap_header*)hp;
ASSERT(ptr + header_arity(val) < end);
- move_boxed(&ptr, val, &hp, &dummy_ref);
+ ptr = move_boxed(ptr, val, &hp, &dummy_ref);
switch (val & _HEADER_SUBTAG_MASK) {
case REF_SUBTAG:
if (is_ordinary_ref_thing(hdr))
@@ -2002,7 +2003,7 @@ move_one_frag(Eterm** hpp, ErlHeapFragment* frag, ErlOffHeap* off_heap, int lite
}
else { /* must be a cons cell */
ASSERT(ptr+1 < end);
- move_cons(&ptr, val, &hp, &dummy_ref);
+ move_cons(ptr, val, &hp, &dummy_ref);
ptr += 2;
}
}
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 88285d8be6..239dda6bcf 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -160,7 +160,7 @@ enum allctr_type {
GOODFIT,
BESTFIT,
AFIT,
- AOFIRSTFIT
+ FIRSTFIT
};
struct au_init {
@@ -500,8 +500,9 @@ set_default_test_alloc_opts(struct au_init *ip)
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = 0; /* Disabled by default */
ip->thr_spec = -1 * erts_no_schedulers;
- ip->atype = AOFIRSTFIT;
- ip->init.aoff.flavor = AOFF_BF;
+ ip->atype = FIRSTFIT;
+ ip->init.aoff.crr_order = FF_AOFF;
+ ip->init.aoff.blk_order = FF_BF;
ip->init.util.name_prefix = "test_";
ip->init.util.alloc_no = ERTS_ALC_A_TEST;
ip->init.util.mmbcs = 0; /* Main carrier size */
@@ -599,10 +600,10 @@ static ERTS_INLINE int
strategy_support_carrier_migration(struct au_init *auip)
{
/*
- * Currently only aoff, aoffcbf and aoffcaobf support carrier
+ * Currently only aoff* and ageff* support carrier
* migration, i.e, type AOFIRSTFIT.
*/
- return auip->atype == AOFIRSTFIT;
+ return auip->atype == FIRSTFIT;
}
static ERTS_INLINE void
@@ -617,8 +618,9 @@ adjust_carrier_migration_support(struct au_init *auip)
*/
if (!strategy_support_carrier_migration(auip)) {
/* Default to aoffcbf */
- auip->atype = AOFIRSTFIT;
- auip->init.aoff.flavor = AOFF_BF;
+ auip->atype = FIRSTFIT;
+ auip->init.aoff.crr_order = FF_AOFF;
+ auip->init.aoff.blk_order = FF_BF;
}
}
}
@@ -1132,7 +1134,7 @@ start_au_allocator(ErtsAlcType_t alctr_n,
&init->init.af,
&init->init.util);
break;
- case AOFIRSTFIT:
+ case FIRSTFIT:
as = erts_aoffalc_start((AOFFAllctr_t *) as0,
&init->init.aoff,
&init->init.util);
@@ -1226,22 +1228,32 @@ get_bool_value(char *param_end, char** argv, int* ip)
return -1;
}
+static Uint kb_to_bytes(Sint kb, Uint *bytes)
+{
+ const Uint max = ((~((Uint) 0))/1024) + 1;
+
+ if (kb < 0 || (Uint)kb > max)
+ return 0;
+ if ((Uint)kb == max)
+ *bytes = ~((Uint) 0);
+ else
+ *bytes = ((Uint) kb)*1024;
+ return 1;
+}
+
static Uint
get_kb_value(char *param_end, char** argv, int* ip)
{
Sint tmp;
- Uint max = ((~((Uint) 0))/1024) + 1;
+ Uint bytes = 0;
char *rest;
char *param = argv[*ip]+1;
char *value = get_value(param_end, argv, ip);
errno = 0;
tmp = (Sint) ErtsStrToSint(value, &rest, 10);
- if (errno != 0 || rest == value || tmp < 0 || max < ((Uint) tmp))
+ if (errno != 0 || rest == value || !kb_to_bytes(tmp, &bytes))
bad_value(param, param_end, value);
- if (max == (Uint) tmp)
- return ~((Uint) 0);
- else
- return ((Uint) tmp)*1024;
+ return bytes;
}
static UWord
@@ -1328,18 +1340,30 @@ handle_au_arg(struct au_init *auip,
switch (sub_param[0]) {
case 'a':
- if (has_prefix("acul", sub_param)) {
- if (!auip->carrier_migration_allowed) {
- if (!u_switch)
- goto bad_switch;
- else {
- /* ignore */
- (void) get_acul_value(auip, sub_param + 4, argv, ip);
- break;
- }
- }
- auip->init.util.acul = get_acul_value(auip, sub_param + 4, argv, ip);
- }
+ if (sub_param[1] == 'c') { /* Migration parameters "ac*" */
+ UWord value;
+ UWord* wp;
+ if (!auip->carrier_migration_allowed && !u_switch)
+ goto bad_switch;
+
+ if (has_prefix("acul", sub_param)) {
+ value = get_acul_value(auip, sub_param + 4, argv, ip);
+ wp = &auip->init.util.acul;
+ }
+ else if (has_prefix("acnl", sub_param)) {
+ value = get_amount_value(sub_param + 4, argv, ip);
+ wp = &auip->init.util.acnl;
+ }
+ else if (has_prefix("acfml", sub_param)) {
+ value = get_amount_value(sub_param + 5, argv, ip);
+ wp = &auip->init.util.acfml;
+ }
+ else
+ goto bad_switch;
+
+ if (auip->carrier_migration_allowed)
+ *wp = value;
+ }
else if(has_prefix("asbcst", sub_param)) {
auip->init.util.asbcst = get_kb_value(sub_param + 6, argv, ip);
}
@@ -1360,17 +1384,35 @@ handle_au_arg(struct au_init *auip,
auip->atype = AFIT;
}
else if (strcmp("aoff", alg) == 0) {
- auip->atype = AOFIRSTFIT;
- auip->init.aoff.flavor = AOFF_AOFF;
+ auip->atype = FIRSTFIT;
+ auip->init.aoff.crr_order = FF_AOFF;
+ auip->init.aoff.blk_order = FF_AOFF;
}
else if (strcmp("aoffcbf", alg) == 0) {
- auip->atype = AOFIRSTFIT;
- auip->init.aoff.flavor = AOFF_BF;
+ auip->atype = FIRSTFIT;
+ auip->init.aoff.crr_order = FF_AOFF;
+ auip->init.aoff.blk_order = FF_BF;
}
else if (strcmp("aoffcaobf", alg) == 0) {
- auip->atype = AOFIRSTFIT;
- auip->init.aoff.flavor = AOFF_AOBF;
+ auip->atype = FIRSTFIT;
+ auip->init.aoff.crr_order = FF_AOFF;
+ auip->init.aoff.blk_order = FF_AOBF;
}
+ else if (strcmp("ageffcaoff", alg) == 0) {
+ auip->atype = FIRSTFIT;
+ auip->init.aoff.crr_order = FF_AGEFF;
+ auip->init.aoff.blk_order = FF_AOFF;
+ }
+ else if (strcmp("ageffcbf", alg) == 0) {
+ auip->atype = FIRSTFIT;
+ auip->init.aoff.crr_order = FF_AGEFF;
+ auip->init.aoff.blk_order = FF_BF;
+ }
+ else if (strcmp("ageffcaobf", alg) == 0) {
+ auip->atype = FIRSTFIT;
+ auip->init.aoff.crr_order = FF_AGEFF;
+ auip->init.aoff.blk_order = FF_AOBF;
+ }
else {
bad_value(param, sub_param + 1, alg);
}
@@ -3392,6 +3434,65 @@ erts_request_alloc_info(struct process *c_p,
return 1;
}
+Eterm erts_alloc_set_dyn_param(Process* c_p, Eterm tuple)
+{
+ ErtsAllocatorThrSpec_t *tspec;
+ ErtsAlcType_t ai;
+ Allctr_t* allctr;
+ Eterm* tp;
+ Eterm res;
+
+ if (!is_tuple_arity(tuple, 3))
+ goto badarg;
+
+ tp = tuple_val(tuple);
+
+ /*
+ * Ex: {ets_alloc, sbct, 256000}
+ */
+ if (!is_atom(tp[1]) || !is_atom(tp[2]) || !is_integer(tp[3]))
+ goto badarg;
+
+ for (ai = ERTS_ALC_A_MIN; ai <= ERTS_ALC_A_MAX; ai++)
+ if (erts_is_atom_str(erts_alc_a2ad[ai], tp[1], 0))
+ break;
+
+ if (ai > ERTS_ALC_A_MAX)
+ goto badarg;
+
+ if (!erts_allctrs_info[ai].enabled ||
+ !erts_allctrs_info[ai].alloc_util) {
+ return am_notsup;
+ }
+
+ if (tp[2] == am_sbct) {
+ Uint sbct;
+ int i, ok;
+
+ if (!term_to_Uint(tp[3], &sbct))
+ goto badarg;
+
+ tspec = &erts_allctr_thr_spec[ai];
+ if (tspec->enabled) {
+ ok = 0;
+ for (i = 0; i < tspec->size; i++) {
+ allctr = tspec->allctr[i];
+ ok |= allctr->try_set_dyn_param(allctr, am_sbct, sbct);
+ }
+ }
+ else {
+ allctr = erts_allctrs_info[ai].extra;
+ ok = allctr->try_set_dyn_param(allctr, am_sbct, sbct);
+ }
+ return ok ? am_ok : am_notsup;
+ }
+ return am_notsup;
+
+badarg:
+ ERTS_BIF_PREP_ERROR(res, c_p, EXC_BADARG);
+ return res;
+}
+
/*
* The allocator wrapper prelocking stuff below is about the locking order.
* It only affects wrappers (erl_mtrace.c and erl_instrument.c) that keep locks
@@ -3528,7 +3629,7 @@ UWord erts_alc_test(UWord op, UWord a1, UWord a2, UWord a3)
&init.init.af,
&init.init.util);
break;
- case AOFIRSTFIT:
+ case FIRSTFIT:
allctr = erts_aoffalc_start((AOFFAllctr_t *)
erts_alloc(ERTS_ALC_T_UNDEF,
sizeof(AOFFAllctr_t)),
@@ -3622,7 +3723,9 @@ UWord erts_alc_test(UWord op, UWord a1, UWord a2, UWord a3)
case 0xf15: erts_free(ERTS_ALC_T_TEST, (void*)a1); return 0;
- case 0xf16: {
+ case 0xf16: return (UWord) erts_realloc(ERTS_ALC_T_TEST, (void*)a1, (Uint)a2);
+
+ case 0xf17: {
Uint extra_hdr_sz = UNIT_CEILING((Uint)a1);
ErtsAllocatorThrSpec_t* ts = &erts_allctr_thr_spec[ERTS_ALC_A_TEST];
Uint offset = ts->allctr[0]->mbc_header_size;
@@ -3649,7 +3752,7 @@ UWord erts_alc_test(UWord op, UWord a1, UWord a2, UWord a3)
*(void**)a3 = orig_destroying_mbc;
return offset;
}
- case 0xf17: {
+ case 0xf18: {
ErtsAllocatorThrSpec_t* ts = &erts_allctr_thr_spec[ERTS_ALC_A_TEST];
return ts->allctr[0]->largest_mbc_size;
}
diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h
index 0438b7cd8c..174bf7a80a 100644
--- a/erts/emulator/beam/erl_alloc.h
+++ b/erts/emulator/beam/erl_alloc.h
@@ -171,6 +171,8 @@ __decl_noreturn void erts_realloc_n_enomem(ErtsAlcType_t,void*,Uint)
__decl_noreturn void erts_alc_fatal_error(int,int,ErtsAlcType_t,...)
__noreturn;
+Eterm erts_alloc_set_dyn_param(struct process*, Eterm);
+
#undef ERTS_HAVE_IS_IN_LITERAL_RANGE
#if defined(ARCH_32) || defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
# define ERTS_HAVE_IS_IN_LITERAL_RANGE
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 4d4bddb93f..fa97ead908 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -362,8 +362,10 @@ do { \
#define ERTS_CRR_ALCTR_FLG_IN_POOL (((erts_aint_t) 1) << 0)
#define ERTS_CRR_ALCTR_FLG_BUSY (((erts_aint_t) 1) << 1)
+#define ERTS_CRR_ALCTR_FLG_HOMECOMING (((erts_aint_t) 1) << 2)
#define ERTS_CRR_ALCTR_FLG_MASK (ERTS_CRR_ALCTR_FLG_IN_POOL | \
- ERTS_CRR_ALCTR_FLG_BUSY)
+ ERTS_CRR_ALCTR_FLG_BUSY | \
+ ERTS_CRR_ALCTR_FLG_HOMECOMING)
#define SBC_HEADER_SIZE \
(UNIT_CEILING(offsetof(Carrier_t, cpool) \
@@ -563,7 +565,7 @@ do { \
DEBUG_CHECK_CARRIER_NO_SZ((AP)); \
} while (0)
-#define STAT_MBC_CPOOL_INSERT(AP, CRR) \
+#define STAT_MBC_ABANDON(AP, CRR) \
do { \
UWord csz__ = CARRIER_SZ((CRR)); \
if (IS_MSEG_CARRIER((CRR))) \
@@ -1153,89 +1155,23 @@ unlink_carrier(CarrierList_t *cl, Carrier_t *crr)
ASSERT(crr->next);
crr->next->prev = crr->prev;
}
-}
-
-
#ifdef DEBUG
-static int is_in_list(ErtsDoubleLink_t* sentinel, ErtsDoubleLink_t* node)
-{
- ErtsDoubleLink_t* p;
-
- ASSERT(node != sentinel);
- for (p = sentinel->next; p != sentinel; p = p->next) {
- if (p == node)
- return 1;
- }
- return 0;
-}
-#endif /* DEBUG */
-
-static ERTS_INLINE void
-link_edl_after(ErtsDoubleLink_t* after_me, ErtsDoubleLink_t* node)
-{
- ErtsDoubleLink_t* before_me = after_me->next;
- ASSERT(node != after_me && node != before_me);
- node->next = before_me;
- node->prev = after_me;
- before_me->prev = node;
- after_me->next = node;
-}
-
-static ERTS_INLINE void
-link_edl_before(ErtsDoubleLink_t* before_me, ErtsDoubleLink_t* node)
-{
- ErtsDoubleLink_t* after_me = before_me->prev;
- ASSERT(node != before_me && node != after_me);
- node->next = before_me;
- node->prev = after_me;
- before_me->prev = node;
- after_me->next = node;
-}
-
-static ERTS_INLINE void
-unlink_edl(ErtsDoubleLink_t* node)
-{
- node->next->prev = node->prev;
- node->prev->next = node->next;
-}
-
-static ERTS_INLINE void
-relink_edl_before(ErtsDoubleLink_t* before_me, ErtsDoubleLink_t* node)
-{
- if (node != before_me && node != before_me->prev) {
- unlink_edl(node);
- link_edl_before(before_me, node);
- }
+ crr->next = crr;
+ crr->prev = crr;
+#endif
}
static ERTS_INLINE int is_abandoned(Carrier_t *crr)
{
- return crr->cpool.abandoned.next != NULL;
-}
-
-static ERTS_INLINE void
-link_abandoned_carrier(ErtsDoubleLink_t* list, Carrier_t *crr)
-{
- ASSERT(!is_abandoned(crr));
-
- link_edl_after(list, &crr->cpool.abandoned);
-
- ASSERT(crr->cpool.abandoned.next != &crr->cpool.abandoned);
- ASSERT(crr->cpool.abandoned.prev != &crr->cpool.abandoned);
+ return crr->cpool.state != ERTS_MBC_IS_HOME;
}
static ERTS_INLINE void
unlink_abandoned_carrier(Carrier_t *crr)
{
- ASSERT(is_in_list(&crr->cpool.orig_allctr->cpool.pooled_list,
- &crr->cpool.abandoned) ||
- is_in_list(&crr->cpool.orig_allctr->cpool.traitor_list,
- &crr->cpool.abandoned));
-
- unlink_edl(&crr->cpool.abandoned);
-
- crr->cpool.abandoned.next = NULL;
- crr->cpool.abandoned.prev = NULL;
+ if (crr->cpool.state == ERTS_MBC_WAS_POOLED) {
+ aoff_remove_pooled_mbc(crr->cpool.orig_allctr, crr);
+ }
}
static ERTS_INLINE void
@@ -1243,24 +1179,19 @@ clear_busy_pool_carrier(Allctr_t *allctr, Carrier_t *crr)
{
if (crr) {
erts_aint_t max_size;
- erts_aint_t new_val;
+ erts_aint_t iallctr;
max_size = (erts_aint_t) allctr->largest_fblk_in_mbc(allctr, crr);
erts_atomic_set_nob(&crr->cpool.max_size, max_size);
- new_val = (((erts_aint_t) allctr)|ERTS_CRR_ALCTR_FLG_IN_POOL);
+ iallctr = erts_atomic_read_nob(&crr->allctr);
+ ERTS_ALC_CPOOL_ASSERT((iallctr & ~ERTS_CRR_ALCTR_FLG_HOMECOMING)
+ == ((erts_aint_t)allctr |
+ ERTS_CRR_ALCTR_FLG_IN_POOL |
+ ERTS_CRR_ALCTR_FLG_BUSY));
-#ifdef ERTS_ALC_CPOOL_DEBUG
- {
- erts_aint_t old_val = new_val|ERTS_CRR_ALCTR_FLG_BUSY;
-
- ERTS_ALC_CPOOL_ASSERT(old_val
- == erts_atomic_xchg_relb(&crr->allctr,
- new_val));
- }
-#else
- erts_atomic_set_relb(&crr->allctr, new_val);
-#endif
+ iallctr &= ~ERTS_CRR_ALCTR_FLG_BUSY;
+ erts_atomic_set_relb(&crr->allctr, iallctr);
}
}
@@ -1658,6 +1589,11 @@ dealloc_mbc(Allctr_t *allctr, Carrier_t *crr)
}
+static void set_new_allctr_abandon_limit(Allctr_t*);
+static void abandon_carrier(Allctr_t*, Carrier_t*);
+static void poolify_my_carrier(Allctr_t*, Carrier_t*);
+static void enqueue_homecoming(Allctr_t*, Carrier_t*);
+
static ERTS_INLINE Allctr_t*
get_pref_allctr(void *extra)
{
@@ -1724,9 +1660,23 @@ get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep,
erts_aint_t act;
ERTS_ALC_CPOOL_ASSERT(!(iallctr & ERTS_CRR_ALCTR_FLG_BUSY));
- act = erts_atomic_cmpxchg_ddrb(&crr->allctr,
- iallctr|ERTS_CRR_ALCTR_FLG_BUSY,
- iallctr);
+ if (iallctr & ERTS_CRR_ALCTR_FLG_HOMECOMING) {
+ /*
+ * This carrier has just been given back to us by writing
+ * to crr->allctr with a write barrier (see abandon_carrier).
+ *
+ * We need a mathing read barrier to guarantee a correct view
+ * of the carrier for deallocation work.
+ */
+ act = erts_atomic_cmpxchg_rb(&crr->allctr,
+ iallctr|ERTS_CRR_ALCTR_FLG_BUSY,
+ iallctr);
+ }
+ else {
+ act = erts_atomic_cmpxchg_ddrb(&crr->allctr,
+ iallctr|ERTS_CRR_ALCTR_FLG_BUSY,
+ iallctr);
+ }
if (act == iallctr) {
*busy_pcrr_pp = crr;
break;
@@ -1742,13 +1692,6 @@ get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep,
erts_mtx_unlock(&pref_allctr->mutex);
}
}
-
- ERTS_ALC_CPOOL_ASSERT(
- (((iallctr & ~ERTS_CRR_ALCTR_FLG_MASK) == (erts_aint_t) pref_allctr)
- ? (((iallctr & ERTS_CRR_ALCTR_FLG_MASK) == ERTS_CRR_ALCTR_FLG_IN_POOL)
- || ((iallctr & ERTS_CRR_ALCTR_FLG_MASK) == 0))
- : 1));
-
return used_allctr;
}
}
@@ -2000,9 +1943,9 @@ handle_delayed_fix_dealloc(Allctr_t *allctr, void *ptr)
/* Carrier migrated; need to redirect block to new owner... */
int cinit = used_allctr->dd.ix - allctr->dd.ix;
- ERTS_ALC_CPOOL_ASSERT(!busy_pcrr_p);
+ ERTS_ALC_CPOOL_ASSERT(!busy_pcrr_p);
- DEC_CC(allctr->calls.this_free);
+ DEC_CC(allctr->calls.this_free);
((ErtsAllctrFixDDBlock_t *) ptr)->fix_type = type;
if (ddq_enqueue(&used_allctr->dd.q, ptr, cinit))
@@ -2011,8 +1954,9 @@ handle_delayed_fix_dealloc(Allctr_t *allctr, void *ptr)
}
}
-static void
-schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr);
+static void schedule_dealloc_carrier(Allctr_t*, Carrier_t*);
+static void dealloc_my_carrier(Allctr_t*, Carrier_t*);
+
static ERTS_INLINE int
handle_delayed_dealloc(Allctr_t *allctr,
@@ -2074,39 +2018,61 @@ handle_delayed_dealloc(Allctr_t *allctr,
res = 1;
blk = UMEM2BLK(ptr);
- if (IS_FREE_LAST_MBC_BLK(blk)) {
+ if (blk->bhdr == HOMECOMING_MBC_BLK_HDR) {
/*
* A multiblock carrier that previously has been migrated away
- * from us and now is back to be deallocated. For more info
- * see schedule_dealloc_carrier().
- *
- * Note that we cannot use FBLK_TO_MBC(blk) since it
- * data has been overwritten by the queue.
+ * from us, was sent back to us either because
+ * - it became empty and we need to deallocated it, or
+ * - it was inserted into the pool and we need to update our pooled_tree
*/
- Carrier_t *crr = FIRST_BLK_TO_MBC(allctr, blk);
-
- /* Restore word overwritten by the dd-queue as it will be read
- * if this carrier is pulled from dc_list by cpool_fetch()
- */
- ERTS_ALC_CPOOL_ASSERT(FBLK_TO_MBC(blk) != crr);
- ERTS_CT_ASSERT(sizeof(ErtsAllctrDDBlock_t) == sizeof(void*));
-#ifdef MBC_ABLK_OFFSET_BITS
- blk->u.carrier = crr;
-#else
- blk->carrier = crr;
-#endif
+ Carrier_t *crr = ErtsContainerStruct(blk, Carrier_t,
+ cpool.homecoming_dd.blk);
+ Block_t* first_blk = MBC_TO_FIRST_BLK(allctr, crr);
+ erts_aint_t iallctr;
ERTS_ALC_CPOOL_ASSERT(ERTS_ALC_IS_CPOOL_ENABLED(allctr));
ERTS_ALC_CPOOL_ASSERT(allctr == crr->cpool.orig_allctr);
- ERTS_ALC_CPOOL_ASSERT(((erts_aint_t) allctr)
- != (erts_atomic_read_nob(&crr->allctr)
- & ~ERTS_CRR_ALCTR_FLG_MASK));
-
- erts_atomic_set_nob(&crr->allctr, ((erts_aint_t) allctr));
- schedule_dealloc_carrier(allctr, crr);
+ iallctr = erts_atomic_read_nob(&crr->allctr);
+ ASSERT(iallctr & ERTS_CRR_ALCTR_FLG_HOMECOMING);
+ while (1) {
+ if ((iallctr & (~ERTS_CRR_ALCTR_FLG_MASK |
+ ERTS_CRR_ALCTR_FLG_IN_POOL))
+ == (erts_aint_t)allctr) {
+ /*
+ * Carrier is home (mine and not in pool)
+ */
+ ASSERT(!(iallctr & ERTS_CRR_ALCTR_FLG_BUSY));
+ erts_atomic_set_nob(&crr->allctr, (erts_aint_t)allctr);
+ if (IS_FREE_LAST_MBC_BLK(first_blk))
+ dealloc_my_carrier(allctr, crr);
+ else
+ ASSERT(crr->cpool.state == ERTS_MBC_IS_HOME);
+ }
+ else {
+ erts_aint_t exp = iallctr;
+ erts_aint_t want = iallctr & ~ERTS_CRR_ALCTR_FLG_HOMECOMING;
+
+ iallctr = erts_atomic_cmpxchg_nob(&crr->allctr,
+ want,
+ exp);
+ if (iallctr != exp)
+ continue; /* retry */
+
+ ASSERT(crr->cpool.state != ERTS_MBC_IS_HOME);
+ unlink_abandoned_carrier(crr);
+ if (iallctr & ERTS_CRR_ALCTR_FLG_IN_POOL)
+ poolify_my_carrier(allctr, crr);
+ else
+ crr->cpool.state = ERTS_MBC_WAS_TRAITOR;
+ }
+ break;
+ }
}
else {
+ ASSERT(IS_SBC_BLK(blk) || (ABLK_TO_MBC(blk) !=
+ ErtsContainerStruct(blk, Carrier_t,
+ cpool.homecoming_dd.blk)));
INC_CC(allctr->calls.this_free);
@@ -2148,20 +2114,26 @@ enqueue_dealloc_other_instance(ErtsAlcType_t type,
erts_alloc_notify_delayed_dealloc(allctr->ix);
}
-
-static void
-set_new_allctr_abandon_limit(Allctr_t *allctr);
-static void
-abandon_carrier(Allctr_t *allctr, Carrier_t *crr);
-
+static ERTS_INLINE void
+update_pooled_tree(Allctr_t *allctr, Carrier_t *crr, Uint blk_sz)
+{
+ if (allctr == crr->cpool.orig_allctr && crr->cpool.state == ERTS_MBC_WAS_POOLED) {
+ /*
+ * Update pooled_tree with a potentially new (larger) max_sz
+ */
+ AOFF_RBTree_t* crr_node = &crr->cpool.pooled;
+ if (blk_sz > crr_node->hdr.bhdr) {
+ crr_node->hdr.bhdr = blk_sz;
+ erts_aoff_larger_max_size(crr_node);
+ }
+ }
+}
static ERTS_INLINE void
check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp)
{
Carrier_t *crr;
-
- if (busy_pcrr_pp && *busy_pcrr_pp)
- return;
+ UWord ncrr_in_pool, largest_fblk;
if (!ERTS_ALC_IS_CPOOL_ENABLED(allctr))
return;
@@ -2170,8 +2142,7 @@ check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp)
if (--allctr->cpool.check_limit_count <= 0)
set_new_allctr_abandon_limit(allctr);
- if (!erts_thr_progress_is_managed_thread())
- return;
+ ASSERT(erts_thr_progress_is_managed_thread());
if (allctr->cpool.disable_abandon)
return;
@@ -2179,6 +2150,9 @@ check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp)
if (allctr->mbcs.blocks.curr.size > allctr->cpool.abandon_limit)
return;
+ ncrr_in_pool = erts_atomic_read_nob(&allctr->cpool.stat.no_carriers);
+ if (ncrr_in_pool >= allctr->cpool.in_pool_limit)
+ return;
crr = FBLK_TO_MBC(fblk);
@@ -2189,9 +2163,14 @@ check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp)
return;
if (crr->cpool.thr_prgr != ERTS_THR_PRGR_INVALID
- && !erts_thr_progress_has_reached(crr->cpool.thr_prgr))
- return;
+ && !erts_thr_progress_has_reached(crr->cpool.thr_prgr))
+ return;
+
+ largest_fblk = allctr->largest_fblk_in_mbc(allctr, crr);
+ if (largest_fblk < allctr->cpool.fblk_min_limit)
+ return;
+ erts_atomic_set_nob(&crr->cpool.max_size, largest_fblk);
abandon_carrier(allctr, crr);
}
@@ -2237,6 +2216,7 @@ dealloc_block(Allctr_t *allctr, void *ptr, ErtsAlcFixList_t *fix, int dec_cc_on_
else {
Carrier_t *busy_pcrr_p;
Allctr_t *used_allctr;
+
used_allctr = get_used_allctr(allctr, ERTS_ALC_TS_PREF_LOCK_NO, ptr,
NULL, &busy_pcrr_p);
if (used_allctr == allctr) {
@@ -2253,10 +2233,10 @@ dealloc_block(Allctr_t *allctr, void *ptr, ErtsAlcFixList_t *fix, int dec_cc_on_
/* Carrier migrated; need to redirect block to new owner... */
int cinit = used_allctr->dd.ix - allctr->dd.ix;
- ERTS_ALC_CPOOL_ASSERT(!busy_pcrr_p);
+ ERTS_ALC_CPOOL_ASSERT(!busy_pcrr_p);
- if (dec_cc_on_redirect)
- DEC_CC(allctr->calls.this_free);
+ if (dec_cc_on_redirect)
+ DEC_CC(allctr->calls.this_free);
if (ddq_enqueue(&used_allctr->dd.q, ptr, cinit))
erts_alloc_notify_delayed_dealloc(used_allctr->ix);
}
@@ -2500,15 +2480,16 @@ mbc_free(Allctr_t *allctr, void *p, Carrier_t **busy_pcrr_pp)
ASSERT(blk_sz % sizeof(Unit_t) == 0);
ASSERT(IS_MBC_BLK(blk));
- if (is_first_blk
- && is_last_blk
- && allctr->main_carrier != FIRST_BLK_TO_MBC(allctr, blk)) {
- destroy_carrier(allctr, blk, busy_pcrr_pp);
+ if (is_first_blk && is_last_blk && crr != allctr->main_carrier) {
+ destroy_carrier(allctr, blk, busy_pcrr_pp);
}
else {
(*allctr->link_free_block)(allctr, blk);
HARD_CHECK_BLK_CARRIER(allctr, blk);
- check_abandon_carrier(allctr, blk, busy_pcrr_pp);
+ if (busy_pcrr_pp && *busy_pcrr_pp)
+ update_pooled_tree(allctr, crr, blk_sz);
+ else
+ check_abandon_carrier(allctr, blk, busy_pcrr_pp);
}
}
@@ -2542,8 +2523,19 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs,
return NULL;
#else /* !MBC_REALLOC_ALWAYS_MOVES */
- if (busy_pcrr_pp && *busy_pcrr_pp)
- goto realloc_move; /* Don't want to use carrier in pool */
+ if (busy_pcrr_pp && *busy_pcrr_pp) {
+ /*
+ * Don't want to use carrier in pool
+ */
+ new_p = mbc_alloc(allctr, size);
+ if (!new_p)
+ return NULL;
+ new_blk = UMEM2BLK(new_p);
+ ASSERT(!(IS_MBC_BLK(new_blk) && ABLK_TO_MBC(new_blk) == *busy_pcrr_pp));
+ sys_memcpy(new_p, p, MIN(size, old_blk_sz - ABLK_HDR_SZ));
+ mbc_free(allctr, p, busy_pcrr_pp);
+ return new_p;
+ }
get_blk_sz = blk_sz = UMEMSZ2BLKSZ(allctr, size);
@@ -2776,7 +2768,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs,
if (cand_blk_sz < get_blk_sz) {
/* We wont fit in cand_blk get a new one */
- realloc_move:
+
#endif /* !MBC_REALLOC_ALWAYS_MOVES */
new_p = mbc_alloc(allctr, size);
@@ -2880,8 +2872,7 @@ mbc_realloc(Allctr_t *allctr, void *p, Uint size, Uint32 alcu_flgs,
#define ERTS_ALC_MAX_DEALLOC_CARRIER 10
-#define ERTS_ALC_CPOOL_MAX_FETCH_INSPECT 20
-#define ERTS_ALC_CPOOL_MAX_TRAITOR_INSPECT 10
+#define ERTS_ALC_CPOOL_MAX_FETCH_INSPECT 100
#define ERTS_ALC_CPOOL_CHECK_LIMIT_COUNT 100
#define ERTS_ALC_CPOOL_MAX_FAILED_STAT_READS 3
@@ -3045,19 +3036,18 @@ cpool_insert(Allctr_t *allctr, Carrier_t *crr)
ErtsAlcCPoolData_t *cpd1p, *cpd2p;
erts_aint_t val;
ErtsAlcCPoolData_t *sentinel = &carrier_pool[allctr->alloc_no].sentinel;
+ Allctr_t *orig_allctr = crr->cpool.orig_allctr;
ERTS_ALC_CPOOL_ASSERT(allctr->alloc_no == ERTS_ALC_A_INVALID /* testcase */
|| erts_thr_progress_is_managed_thread());
- ERTS_ALC_CPOOL_ASSERT(erts_atomic_read_nob(&crr->allctr)
- == (erts_aint_t) allctr);
- erts_atomic_add_nob(&allctr->cpool.stat.blocks_size,
+ erts_atomic_add_nob(&orig_allctr->cpool.stat.blocks_size,
(erts_aint_t) crr->cpool.blocks_size);
- erts_atomic_add_nob(&allctr->cpool.stat.no_blocks,
+ erts_atomic_add_nob(&orig_allctr->cpool.stat.no_blocks,
(erts_aint_t) crr->cpool.blocks);
- erts_atomic_add_nob(&allctr->cpool.stat.carriers_size,
+ erts_atomic_add_nob(&orig_allctr->cpool.stat.carriers_size,
(erts_aint_t) CARRIER_SZ(crr));
- erts_atomic_inc_nob(&allctr->cpool.stat.no_carriers);
+ erts_atomic_inc_nob(&orig_allctr->cpool.stat.no_carriers);
/*
* We search in 'next' direction and begin by passing
@@ -3118,8 +3108,6 @@ cpool_insert(Allctr_t *allctr, Carrier_t *crr)
(erts_aint_t) &crr->cpool,
(erts_aint_t) cpd1p);
- erts_atomic_set_wb(&crr->allctr,
- ((erts_aint_t) allctr)|ERTS_CRR_ALCTR_FLG_IN_POOL);
LTTNG3(carrier_pool_put, ERTS_ALC_A2AD(allctr->alloc_no), allctr->ix, CARRIER_SZ(crr));
}
@@ -3221,130 +3209,126 @@ cpool_delete(Allctr_t *allctr, Allctr_t *prev_allctr, Carrier_t *crr)
static Carrier_t *
cpool_fetch(Allctr_t *allctr, UWord size)
{
- int i, i_stop, has_passed_sentinel;
+ enum { IGNORANT, HAS_SEEN_SENTINEL, THE_LAST_ONE } loop_state;
+ int i;
Carrier_t *crr;
+ Carrier_t *reinsert_crr = NULL;
ErtsAlcCPoolData_t *cpdp;
- ErtsAlcCPoolData_t *cpool_entrance;
+ ErtsAlcCPoolData_t *cpool_entrance = NULL;
ErtsAlcCPoolData_t *sentinel;
- ErtsDoubleLink_t* dl;
- ErtsDoubleLink_t* first_old_traitor;
ERTS_ALC_CPOOL_ASSERT(allctr->alloc_no == ERTS_ALC_A_INVALID /* testcase */
|| erts_thr_progress_is_managed_thread());
i = ERTS_ALC_CPOOL_MAX_FETCH_INSPECT;
- first_old_traitor = allctr->cpool.traitor_list.next;
- cpool_entrance = NULL;
LTTNG3(carrier_pool_get, ERTS_ALC_A2AD(allctr->alloc_no), allctr->ix, (unsigned long)size);
/*
- * Search my own pooled_list,
+ * Search my own pooled_tree,
* i.e my abandoned carriers that were in the pool last time I checked.
*/
+ do {
+ erts_aint_t exp, act;
+
+ crr = aoff_lookup_pooled_mbc(allctr, size);
+ if (!crr)
+ break;
+
+ ASSERT(crr->cpool.state == ERTS_MBC_WAS_POOLED);
+ ASSERT(crr->cpool.orig_allctr == allctr);
+
+ aoff_remove_pooled_mbc(allctr, crr);
+
+ exp = erts_atomic_read_nob(&crr->allctr);
+ if (exp & ERTS_CRR_ALCTR_FLG_IN_POOL) {
+ ASSERT((exp & ~ERTS_CRR_ALCTR_FLG_MASK) == (erts_aint_t)allctr);
+ if (erts_atomic_read_nob(&crr->cpool.max_size) < size) {
+ /*
+ * This carrier has been fetched and inserted back again
+ * by a foreign allocator. That's why it has a stale search size.
+ */
+ ASSERT(exp & ERTS_CRR_ALCTR_FLG_HOMECOMING);
+ crr->cpool.pooled.hdr.bhdr = erts_atomic_read_nob(&crr->cpool.max_size);
+ aoff_add_pooled_mbc(allctr, crr);
+ INC_CC(allctr->cpool.stat.skip_size);
+ continue;
+ }
+ else if (exp & ERTS_CRR_ALCTR_FLG_BUSY) {
+ /*
+ * This must be our own carrier as part of a realloc call.
+ * Skip it to make things simpler.
+ * Must wait to re-insert to not be found again by lookup.
+ */
+ ASSERT(!reinsert_crr);
+ reinsert_crr = crr;
+ INC_CC(allctr->cpool.stat.skip_busy);
+ continue;
+ }
- dl = allctr->cpool.pooled_list.next;
- while(dl != &allctr->cpool.pooled_list) {
- erts_aint_t exp, act;
- crr = (Carrier_t *) (((char *) dl) - offsetof(Carrier_t, cpool.abandoned));
-
- ASSERT(!is_in_list(&allctr->cpool.traitor_list, dl));
- ASSERT(crr->cpool.orig_allctr == allctr);
- dl = dl->next;
- exp = erts_atomic_read_rb(&crr->allctr);
- if ((exp & ERTS_CRR_ALCTR_FLG_MASK) == ERTS_CRR_ALCTR_FLG_IN_POOL
- && erts_atomic_read_nob(&crr->cpool.max_size) >= size) {
- /* Try to fetch it... */
- act = erts_atomic_cmpxchg_mb(&crr->allctr,
- (erts_aint_t) allctr,
- exp);
- if (act == exp) {
- cpool_delete(allctr, ((Allctr_t *) (act & ~ERTS_CRR_ALCTR_FLG_MASK)), crr);
- unlink_abandoned_carrier(crr);
-
- /* Move sentinel to continue next search from here */
- relink_edl_before(dl, &allctr->cpool.pooled_list);
- return crr;
- }
- exp = act;
- }
- if (exp & ERTS_CRR_ALCTR_FLG_IN_POOL) {
- if (!cpool_entrance)
- cpool_entrance = &crr->cpool;
- }
- else { /* Not in pool, move to traitor_list */
- unlink_abandoned_carrier(crr);
- link_abandoned_carrier(&allctr->cpool.traitor_list, crr);
- }
- if (--i <= 0) {
- /* Move sentinel to continue next search from here */
- relink_edl_before(dl, &allctr->cpool.pooled_list);
- return NULL;
- }
- }
+ /* Try to fetch it... */
+ act = erts_atomic_cmpxchg_mb(&crr->allctr,
+ exp & ~ERTS_CRR_ALCTR_FLG_IN_POOL,
+ exp);
+ if (act == exp) {
+ cpool_delete(allctr, allctr, crr);
+ crr->cpool.state = ERTS_MBC_IS_HOME;
+
+ if (reinsert_crr)
+ aoff_add_pooled_mbc(allctr, reinsert_crr);
+ return crr;
+ }
+ exp = act;
+ INC_CC(allctr->cpool.stat.skip_race);
+ }
+ else
+ INC_CC(allctr->cpool.stat.skip_not_pooled);
- /* Now search traitor_list.
- * i.e carriers employed by other allocators last time I checked.
- * They might have been abandoned since then.
- */
+ /* Not in pool anymore */
+ ASSERT(!(exp & ERTS_CRR_ALCTR_FLG_BUSY));
+ crr->cpool.state = ERTS_MBC_WAS_TRAITOR;
- i_stop = (i < ERTS_ALC_CPOOL_MAX_TRAITOR_INSPECT ?
- 0 : i - ERTS_ALC_CPOOL_MAX_TRAITOR_INSPECT);
- dl = first_old_traitor;
- while(dl != &allctr->cpool.traitor_list) {
- erts_aint_t exp, act;
- crr = (Carrier_t *) (((char *) dl) - offsetof(Carrier_t, cpool.abandoned));
- ASSERT(dl != &allctr->cpool.pooled_list);
- ASSERT(crr->cpool.orig_allctr == allctr);
- dl = dl->next;
- exp = erts_atomic_read_rb(&crr->allctr);
- if (exp & ERTS_CRR_ALCTR_FLG_IN_POOL) {
- if (!(exp & ERTS_CRR_ALCTR_FLG_BUSY)
- && erts_atomic_read_nob(&crr->cpool.max_size) >= size) {
- /* Try to fetch it... */
- act = erts_atomic_cmpxchg_mb(&crr->allctr,
- (erts_aint_t) allctr,
- exp);
- if (act == exp) {
- cpool_delete(allctr, ((Allctr_t *) (act & ~ERTS_CRR_ALCTR_FLG_MASK)), crr);
- unlink_abandoned_carrier(crr);
+ }while (--i > 0);
- /* Move sentinel to continue next search from here */
- relink_edl_before(dl, &allctr->cpool.traitor_list);
- return crr;
- }
- exp = act;
- }
- if (exp & ERTS_CRR_ALCTR_FLG_IN_POOL) {
- if (!cpool_entrance)
- cpool_entrance = &crr->cpool;
+ if (reinsert_crr)
+ aoff_add_pooled_mbc(allctr, reinsert_crr);
- /* Move to pooled_list */
- unlink_abandoned_carrier(crr);
- link_abandoned_carrier(&allctr->cpool.pooled_list, crr);
- }
- }
- if (--i <= i_stop) {
- /* Move sentinel to continue next search from here */
- relink_edl_before(dl, &allctr->cpool.traitor_list);
- if (i > 0)
- break;
- else
- return NULL;
- }
+ /*
+ * Try find a nice cpool_entrance
+ */
+ while (allctr->cpool.pooled_tree) {
+ erts_aint_t iallctr;
+
+ crr = ErtsContainerStruct(allctr->cpool.pooled_tree, Carrier_t, cpool.pooled);
+ iallctr = erts_atomic_read_nob(&crr->allctr);
+ if (iallctr & ERTS_CRR_ALCTR_FLG_IN_POOL) {
+ cpool_entrance = &crr->cpool;
+ break;
+ }
+ /* Not in pool anymore */
+ ASSERT(!(iallctr & ERTS_CRR_ALCTR_FLG_BUSY));
+ aoff_remove_pooled_mbc(allctr, crr);
+ crr->cpool.state = ERTS_MBC_WAS_TRAITOR;
+
+ if (--i <= 0) {
+ INC_CC(allctr->cpool.stat.fail_pooled);
+ return NULL;
+ }
}
+
/*
* Finally search the shared pool and try employ foreign carriers
*/
-
sentinel = &carrier_pool[allctr->alloc_no].sentinel;
if (cpool_entrance) {
- /* We saw a pooled carried above, use it as entrance into the pool
+ /*
+ * We saw a pooled carried above, use it as entrance into the pool
*/
cpdp = cpool_entrance;
}
else {
- /* No pooled carried seen above. Start search at cpool sentinel,
+ /*
+ * No pooled carried seen above. Start search at cpool sentinel,
* but begin by passing one element before trying to fetch.
* This in order to avoid contention with threads inserting elements.
*/
@@ -3354,8 +3338,8 @@ cpool_fetch(Allctr_t *allctr, UWord size)
goto check_dc_list;
}
- has_passed_sentinel = 0;
- while (1) {
+ loop_state = IGNORANT;
+ do {
erts_aint_t exp;
cpdp = cpool_aint2cpd(cpool_read(&cpdp->prev));
if (cpdp == cpool_entrance) {
@@ -3364,38 +3348,52 @@ cpool_fetch(Allctr_t *allctr, UWord size)
if (cpdp == sentinel)
break;
}
- i = 0; /* Last one to inspect */
+ loop_state = THE_LAST_ONE;
}
else if (cpdp == sentinel) {
- if (has_passed_sentinel) {
+ if (loop_state == HAS_SEEN_SENTINEL) {
/* We been here before. cpool_entrance must have been removed */
+ INC_CC(allctr->cpool.stat.entrance_removed);
break;
}
cpdp = cpool_aint2cpd(cpool_read(&cpdp->prev));
if (cpdp == sentinel)
break;
- has_passed_sentinel = 1;
+ loop_state = HAS_SEEN_SENTINEL;
}
- crr = (Carrier_t *)(((char *)cpdp) - offsetof(Carrier_t, cpool));
+ crr = ErtsContainerStruct(cpdp, Carrier_t, cpool);
exp = erts_atomic_read_rb(&crr->allctr);
- if (((exp & (ERTS_CRR_ALCTR_FLG_MASK)) == ERTS_CRR_ALCTR_FLG_IN_POOL)
- && (erts_atomic_read_nob(&cpdp->max_size) >= size)) {
+
+ if (erts_atomic_read_nob(&cpdp->max_size) < size) {
+ INC_CC(allctr->cpool.stat.skip_size);
+ }
+ else if ((exp & (ERTS_CRR_ALCTR_FLG_IN_POOL | ERTS_CRR_ALCTR_FLG_BUSY))
+ == ERTS_CRR_ALCTR_FLG_IN_POOL) {
erts_aint_t act;
- /* Try to fetch it... */
- act = erts_atomic_cmpxchg_mb(&crr->allctr,
- (erts_aint_t) allctr,
- exp);
+ erts_aint_t want = (((erts_aint_t) allctr)
+ | (exp & ERTS_CRR_ALCTR_FLG_HOMECOMING));
+ /* Try to fetch it... */
+ act = erts_atomic_cmpxchg_mb(&crr->allctr, want, exp);
if (act == exp) {
cpool_delete(allctr, ((Allctr_t *) (act & ~ERTS_CRR_ALCTR_FLG_MASK)), crr);
if (crr->cpool.orig_allctr == allctr) {
unlink_abandoned_carrier(crr);
- }
+ crr->cpool.state = ERTS_MBC_IS_HOME;
+ }
return crr;
}
}
- if (--i <= 0)
+
+ if (exp & ERTS_CRR_ALCTR_FLG_BUSY)
+ INC_CC(allctr->cpool.stat.skip_busy);
+ else
+ INC_CC(allctr->cpool.stat.skip_race);
+
+ if (--i <= 0) {
+ INC_CC(allctr->cpool.stat.fail_shared);
return NULL;
- }
+ }
+ }while (loop_state != THE_LAST_ONE);
check_dc_list:
/* Last; check our own pending dealloc carrier list... */
@@ -3404,23 +3402,23 @@ check_dc_list:
if (erts_atomic_read_nob(&crr->cpool.max_size) >= size) {
Block_t* blk;
unlink_carrier(&allctr->cpool.dc_list, crr);
-#ifdef ERTS_ALC_CPOOL_DEBUG
- ERTS_ALC_CPOOL_ASSERT(erts_atomic_xchg_nob(&crr->allctr,
- ((erts_aint_t) allctr))
- == (((erts_aint_t) allctr) & ~ERTS_CRR_ALCTR_FLG_MASK));
-#else
- erts_atomic_set_nob(&crr->allctr, ((erts_aint_t) allctr));
-#endif
+ ERTS_ALC_CPOOL_ASSERT(erts_atomic_read_nob(&crr->allctr)
+ == ((erts_aint_t) allctr));
blk = MBC_TO_FIRST_BLK(allctr, crr);
ASSERT(FBLK_TO_MBC(blk) == crr);
allctr->link_free_block(allctr, blk);
return crr;
}
crr = crr->prev;
- if (--i <= 0)
+ if (--i <= 0) {
+ INC_CC(allctr->cpool.stat.fail_pend_dealloc);
return NULL;
+ }
}
+ if (i != ERTS_ALC_CPOOL_MAX_FETCH_INSPECT)
+ INC_CC(allctr->cpool.stat.fail);
+
return NULL;
}
@@ -3475,9 +3473,6 @@ static void
schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr)
{
Allctr_t *orig_allctr;
- Block_t *blk;
- int check_pending_dealloc;
- erts_aint_t max_size;
ASSERT(IS_MB_CARRIER(crr));
@@ -3488,9 +3483,17 @@ schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr)
orig_allctr = crr->cpool.orig_allctr;
- if (allctr != orig_allctr) {
- int cinit = orig_allctr->dd.ix - allctr->dd.ix;
-
+ if (allctr == orig_allctr) {
+ if (!(erts_atomic_read_nob(&crr->allctr) & ERTS_CRR_ALCTR_FLG_HOMECOMING)) {
+ dealloc_my_carrier(allctr, crr);
+ }
+ /*else
+ * Carrier was abandoned earlier by other thread and
+ * is still waiting for us in dd-queue.
+ * handle_delayed_dealloc() will handle it when crr is dequeued.
+ */
+ }
+ else {
/*
* We send the carrier to its origin for deallocation.
* This in order:
@@ -3499,29 +3502,39 @@ schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr)
* - to ensure that we always only reuse empty carriers
* originating from our own thread specific mseg_alloc
* instance which is beneficial on NUMA systems.
- *
- * The receiver will recognize that this is a carrier to
- * deallocate (and not a block which is the common case)
- * since the block is an mbc block that is free and last
- * in the carrier.
*/
- blk = MBC_TO_FIRST_BLK(allctr, crr);
- ERTS_ALC_CPOOL_ASSERT(IS_FREE_LAST_MBC_BLK(blk));
-
- ERTS_ALC_CPOOL_ASSERT(IS_MBC_FIRST_ABLK(allctr, blk));
- ERTS_ALC_CPOOL_ASSERT(crr == FBLK_TO_MBC(blk));
- ERTS_ALC_CPOOL_ASSERT(crr == FIRST_BLK_TO_MBC(allctr, blk));
- ERTS_ALC_CPOOL_ASSERT(((erts_aint_t) allctr)
- == (erts_atomic_read_nob(&crr->allctr)
- & ~ERTS_CRR_ALCTR_FLG_MASK));
+ erts_aint_t iallctr;
+#ifdef ERTS_ALC_CPOOL_DEBUG
+ Block_t* first_blk = MBC_TO_FIRST_BLK(allctr, crr);
+ ERTS_ALC_CPOOL_ASSERT(IS_FREE_LAST_MBC_BLK(first_blk));
+
+ ERTS_ALC_CPOOL_ASSERT(IS_MBC_FIRST_ABLK(allctr, first_blk));
+ ERTS_ALC_CPOOL_ASSERT(crr == FBLK_TO_MBC(first_blk));
+ ERTS_ALC_CPOOL_ASSERT(crr == FIRST_BLK_TO_MBC(allctr, first_blk));
+ ERTS_ALC_CPOOL_ASSERT((erts_atomic_read_nob(&crr->allctr)
+ & ~ERTS_CRR_ALCTR_FLG_HOMECOMING)
+ == (erts_aint_t) allctr);
+#endif
- if (ddq_enqueue(&orig_allctr->dd.q, BLK2UMEM(blk), cinit))
- erts_alloc_notify_delayed_dealloc(orig_allctr->ix);
- return;
+ iallctr = (erts_aint_t)orig_allctr | ERTS_CRR_ALCTR_FLG_HOMECOMING;
+ if (!(erts_atomic_xchg_nob(&crr->allctr, iallctr)
+ & ERTS_CRR_ALCTR_FLG_HOMECOMING)) {
+ enqueue_homecoming(allctr, crr);
+ }
}
+}
+
+static void dealloc_my_carrier(Allctr_t *allctr, Carrier_t *crr)
+{
+ Block_t *blk;
+ int check_pending_dealloc;
+ erts_aint_t max_size;
- if (is_abandoned(crr))
- unlink_abandoned_carrier(crr);
+ ERTS_ALC_CPOOL_ASSERT(allctr == crr->cpool.orig_allctr);
+ if (is_abandoned(crr)) {
+ unlink_abandoned_carrier(crr);
+ crr->cpool.state = ERTS_MBC_IS_HOME;
+ }
if (crr->cpool.thr_prgr == ERTS_THR_PRGR_INVALID
|| erts_thr_progress_has_reached(crr->cpool.thr_prgr)) {
@@ -3553,6 +3566,7 @@ schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr)
static ERTS_INLINE void
cpool_init_carrier_data(Allctr_t *allctr, Carrier_t *crr)
{
+ crr->cpool.homecoming_dd.blk.bhdr = HOMECOMING_MBC_BLK_HDR;
erts_atomic_init_nob(&crr->cpool.next, ERTS_AINT_NULL);
erts_atomic_init_nob(&crr->cpool.prev, ERTS_AINT_NULL);
crr->cpool.orig_allctr = allctr;
@@ -3571,8 +3585,7 @@ cpool_init_carrier_data(Allctr_t *allctr, Carrier_t *crr)
limit = (csz/100)*allctr->cpool.util_limit;
crr->cpool.abandon_limit = limit;
}
- crr->cpool.abandoned.next = NULL;
- crr->cpool.abandoned.prev = NULL;
+ crr->cpool.state = ERTS_MBC_IS_HOME;
}
static void
@@ -3598,23 +3611,62 @@ set_new_allctr_abandon_limit(Allctr_t *allctr)
static void
abandon_carrier(Allctr_t *allctr, Carrier_t *crr)
{
- erts_aint_t max_size;
+ erts_aint_t iallctr;
- STAT_MBC_CPOOL_INSERT(allctr, crr);
+ STAT_MBC_ABANDON(allctr, crr);
unlink_carrier(&allctr->mbc_list, crr);
- if (crr->cpool.orig_allctr == allctr) {
- link_abandoned_carrier(&allctr->cpool.pooled_list, crr);
+ allctr->remove_mbc(allctr, crr);
+ set_new_allctr_abandon_limit(allctr);
+
+ cpool_insert(allctr, crr);
+
+
+ iallctr = erts_atomic_read_nob(&crr->allctr);
+ if (allctr == crr->cpool.orig_allctr) {
+ /* preserve HOMECOMING flag */
+ ASSERT((iallctr & ~ERTS_CRR_ALCTR_FLG_HOMECOMING) == (erts_aint_t)allctr);
+ erts_atomic_set_wb(&crr->allctr, iallctr | ERTS_CRR_ALCTR_FLG_IN_POOL);
+ poolify_my_carrier(allctr, crr);
}
+ else {
+ ASSERT((iallctr & ~ERTS_CRR_ALCTR_FLG_HOMECOMING) == (erts_aint_t)allctr);
+ iallctr = ((erts_aint_t)crr->cpool.orig_allctr |
+ ERTS_CRR_ALCTR_FLG_HOMECOMING |
+ ERTS_CRR_ALCTR_FLG_IN_POOL);
+ if (!(erts_atomic_xchg_wb(&crr->allctr, iallctr)
+ & ERTS_CRR_ALCTR_FLG_HOMECOMING)) {
+
+ enqueue_homecoming(allctr, crr);
+ }
+ }
+}
- allctr->remove_mbc(allctr, crr);
+static void
+enqueue_homecoming(Allctr_t* allctr, Carrier_t* crr)
+{
+ Allctr_t* orig_allctr = crr->cpool.orig_allctr;
+ const int cinit = orig_allctr->dd.ix - allctr->dd.ix;
+ Block_t* dd_blk = &crr->cpool.homecoming_dd.blk;
- max_size = (erts_aint_t) allctr->largest_fblk_in_mbc(allctr, crr);
- erts_atomic_set_nob(&crr->cpool.max_size, max_size);
+ /*
+ * The receiver will recognize this as a carrier
+ * (and not a block which is the common case)
+ * since the block header is HOMECOMING_MBC_BLK_HDR.
+ */
+ ASSERT(dd_blk->bhdr == HOMECOMING_MBC_BLK_HDR);
+ if (ddq_enqueue(&orig_allctr->dd.q, BLK2UMEM(dd_blk), cinit))
+ erts_alloc_notify_delayed_dealloc(orig_allctr->ix);
+}
- cpool_insert(allctr, crr);
+static void
+poolify_my_carrier(Allctr_t *allctr, Carrier_t *crr)
+{
+ ERTS_ALC_CPOOL_ASSERT(allctr == crr->cpool.orig_allctr);
- set_new_allctr_abandon_limit(allctr);
+ crr->cpool.pooled.hdr.bhdr = erts_atomic_read_nob(&crr->cpool.max_size);
+ aoff_add_pooled_mbc(allctr, crr);
+ crr->cpool.state = ERTS_MBC_WAS_POOLED;
}
static void
@@ -3771,6 +3823,7 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
crr = cpool_fetch(allctr, blk_sz);
if (crr) {
STAT_MBC_CPOOL_FETCH(allctr, crr);
+ INC_CC(allctr->cpool.stat.fetch);
link_carrier(&allctr->mbc_list, crr);
(*allctr->add_mbc)(allctr, crr);
blk = (*allctr->get_free_block)(allctr, blk_sz, NULL, 0);
@@ -4128,13 +4181,18 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp)
#endif
if (busy_pcrr_pp && *busy_pcrr_pp) {
+ erts_aint_t iallctr = erts_atomic_read_nob(&crr->allctr);
ERTS_ALC_CPOOL_ASSERT(*busy_pcrr_pp == crr);
- *busy_pcrr_pp = NULL;
- ERTS_ALC_CPOOL_ASSERT(erts_atomic_read_nob(&crr->allctr)
- == (((erts_aint_t) allctr)
- | ERTS_CRR_ALCTR_FLG_IN_POOL
- | ERTS_CRR_ALCTR_FLG_BUSY));
- erts_atomic_set_nob(&crr->allctr, ((erts_aint_t) allctr));
+ ERTS_ALC_CPOOL_ASSERT((iallctr & ~ERTS_CRR_ALCTR_FLG_HOMECOMING)
+ == (((erts_aint_t) allctr)
+ | ERTS_CRR_ALCTR_FLG_IN_POOL
+ | ERTS_CRR_ALCTR_FLG_BUSY));
+ ERTS_ALC_CPOOL_ASSERT(allctr == crr->cpool.orig_allctr);
+
+ *busy_pcrr_pp = NULL;
+ erts_atomic_set_nob(&crr->allctr,
+ (iallctr & ~(ERTS_CRR_ALCTR_FLG_IN_POOL |
+ ERTS_CRR_ALCTR_FLG_BUSY)));
cpool_delete(allctr, allctr, crr);
}
else
@@ -4184,7 +4242,6 @@ static struct {
Eterm e;
Eterm t;
Eterm ramv;
- Eterm sbct;
#if HAVE_ERTS_MSEG
Eterm asbcst;
Eterm rsbcst;
@@ -4201,6 +4258,8 @@ static struct {
Eterm smbcs;
Eterm mbcgs;
Eterm acul;
+ Eterm acnl;
+ Eterm acfml;
#if HAVE_ERTS_MSEG
Eterm mmc;
@@ -4212,6 +4271,17 @@ static struct {
Eterm mbcs;
Eterm mbcs_pool;
+ Eterm fetch;
+ Eterm fail_pooled;
+ Eterm fail_shared;
+ Eterm fail_pend_dealloc;
+ Eterm fail;
+ Eterm skip_size;
+ Eterm skip_busy;
+ Eterm skip_not_pooled;
+ Eterm skip_homecoming;
+ Eterm skip_race;
+ Eterm entrance_removed;
Eterm sbcs;
Eterm sys_alloc_carriers_size;
@@ -4272,7 +4342,6 @@ init_atoms(Allctr_t *allctr)
AM_INIT(e);
AM_INIT(t);
AM_INIT(ramv);
- AM_INIT(sbct);
#if HAVE_ERTS_MSEG
AM_INIT(asbcst);
AM_INIT(rsbcst);
@@ -4289,6 +4358,8 @@ init_atoms(Allctr_t *allctr)
AM_INIT(smbcs);
AM_INIT(mbcgs);
AM_INIT(acul);
+ AM_INIT(acnl);
+ AM_INIT(acfml);
#if HAVE_ERTS_MSEG
AM_INIT(mmc);
@@ -4300,6 +4371,17 @@ init_atoms(Allctr_t *allctr)
AM_INIT(mbcs);
AM_INIT(mbcs_pool);
+ AM_INIT(fetch);
+ AM_INIT(fail_pooled);
+ AM_INIT(fail_shared);
+ AM_INIT(fail_pend_dealloc);
+ AM_INIT(fail);
+ AM_INIT(skip_size);
+ AM_INIT(skip_busy);
+ AM_INIT(skip_not_pooled);
+ AM_INIT(skip_homecoming);
+ AM_INIT(skip_race);
+ AM_INIT(entrance_removed);
AM_INIT(sbcs);
AM_INIT(sys_alloc_carriers_size);
@@ -4583,9 +4665,56 @@ info_cpool(Allctr_t *allctr,
if (hpp || szp) {
res = NIL;
+
+ if (!sz_only) {
+ add_3tup(hpp, szp, &res, am.fail_pooled,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.fail_pooled)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.fail_pooled)));
+
+ add_3tup(hpp, szp, &res, am.fail_shared,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.fail_shared)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.fail_shared)));
+
+ add_3tup(hpp, szp, &res, am.fail_pend_dealloc,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.fail_pend_dealloc)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.fail_pend_dealloc)));
+
+ add_3tup(hpp, szp, &res, am.fail,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.fail)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.fail)));
+
+ add_3tup(hpp, szp, &res, am.fetch,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.fetch)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.fetch)));
+
+ add_3tup(hpp, szp, &res, am.skip_size,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.skip_size)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.skip_size)));
+
+ add_3tup(hpp, szp, &res, am.skip_busy,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.skip_busy)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.skip_busy)));
+
+ add_3tup(hpp, szp, &res, am.skip_not_pooled,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.skip_not_pooled)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.skip_not_pooled)));
+
+ add_3tup(hpp, szp, &res, am.skip_homecoming,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.skip_homecoming)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.skip_homecoming)));
+
+ add_3tup(hpp, szp, &res, am.skip_race,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.skip_race)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.skip_race)));
+
+ add_3tup(hpp, szp, &res, am.entrance_removed,
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_GIGA_VAL(allctr->cpool.stat.entrance_removed)),
+ bld_unstable_uint(hpp, szp, ERTS_ALC_CC_VAL(allctr->cpool.stat.entrance_removed)));
+
add_2tup(hpp, szp, &res,
am.carriers_size,
bld_unstable_uint(hpp, szp, csz));
+ }
if (!sz_only)
add_2tup(hpp, szp, &res,
am.carriers,
@@ -4844,7 +4973,7 @@ info_options(Allctr_t *allctr,
Uint *szp)
{
Eterm res = THE_NON_VALUE;
- int acul;
+ UWord acul, acnl, acfml;
if (!allctr) {
if (print_to_p)
@@ -4857,6 +4986,8 @@ info_options(Allctr_t *allctr,
}
acul = allctr->cpool.util_limit;
+ acnl = allctr->cpool.in_pool_limit;
+ acfml = allctr->cpool.fblk_min_limit;
if (print_to_p) {
char topt[21]; /* Enough for any 64-bit integer */
@@ -4884,7 +5015,7 @@ info_options(Allctr_t *allctr,
"option lmbcs: %beu\n"
"option smbcs: %beu\n"
"option mbcgs: %beu\n"
- "option acul: %d\n",
+ "option acul: %bpu\n",
topt,
allctr->ramv ? "true" : "false",
allctr->sbc_threshold,
@@ -4909,9 +5040,15 @@ info_options(Allctr_t *allctr,
hpp, szp);
if (hpp || szp) {
+ add_2tup(hpp, szp, &res,
+ am.acfml,
+ bld_uint(hpp, szp, acfml));
+ add_2tup(hpp, szp, &res,
+ am.acnl,
+ bld_uint(hpp, szp, acnl));
add_2tup(hpp, szp, &res,
am.acul,
- bld_uint(hpp, szp, (UWord) acul));
+ bld_uint(hpp, szp, acul));
add_2tup(hpp, szp, &res,
am.mbcgs,
bld_uint(hpp, szp, allctr->mbc_growth_stages));
@@ -4947,7 +5084,7 @@ info_options(Allctr_t *allctr,
bld_uint(hpp, szp, allctr->mseg_opt.abs_shrink_th));
#endif
add_2tup(hpp, szp, &res,
- am.sbct,
+ am_sbct,
bld_uint(hpp, szp, allctr->sbc_threshold));
add_2tup(hpp, szp, &res, am.ramv, allctr->ramv ? am_true : am_false);
add_2tup(hpp, szp, &res, am.t, (allctr->t ? am_true : am_false));
@@ -5481,12 +5618,13 @@ erts_alcu_free_thr_pref(ErtsAlcType_t type, void *extra, void *p)
pref_allctr = get_pref_allctr(extra);
used_allctr = get_used_allctr(pref_allctr, ERTS_ALC_TS_PREF_LOCK_IF_USED,
p, NULL, &busy_pcrr_p);
- if (pref_allctr != used_allctr)
+ if (pref_allctr != used_allctr) {
enqueue_dealloc_other_instance(type,
- used_allctr,
- p,
- (used_allctr->dd.ix
- - pref_allctr->dd.ix));
+ used_allctr,
+ p,
+ (used_allctr->dd.ix
+ - pref_allctr->dd.ix));
+ }
else {
ERTS_ALCU_DBG_CHK_THR_ACCESS(used_allctr);
do_erts_alcu_free(type, used_allctr, p, &busy_pcrr_p);
@@ -5854,6 +5992,37 @@ erts_alcu_realloc_mv_thr_pref(ErtsAlcType_t type, void *extra,
+static Uint adjust_sbct(Allctr_t* allctr, Uint sbct)
+{
+#ifndef ARCH_64
+ if (sbct > 0) {
+ Uint max_mbc_block_sz = UNIT_CEILING(sbct - 1 + ABLK_HDR_SZ);
+ if (max_mbc_block_sz + UNIT_FLOOR(allctr->min_block_size - 1) > MBC_ABLK_SZ_MASK
+ || max_mbc_block_sz < sbct) { /* wrap around */
+ /*
+ * By limiting sbc_threshold to (hard limit - min_block_size)
+ * we avoid having to split off free "residue blocks"
+ * smaller than min_block_size.
+ */
+ max_mbc_block_sz = MBC_ABLK_SZ_MASK - UNIT_FLOOR(allctr->min_block_size - 1);
+ sbct = max_mbc_block_sz - ABLK_HDR_SZ + 1;
+ }
+ }
+#endif
+ return sbct;
+}
+
+int erts_alcu_try_set_dyn_param(Allctr_t* allctr, Eterm param, Uint value)
+{
+ const Uint MIN_DYN_SBCT = 4000; /* a lame catastrophe prevention */
+
+ if (param == am_sbct && value >= MIN_DYN_SBCT) {
+ allctr->sbc_threshold = adjust_sbct(allctr, value);
+ return 1;
+ }
+ return 0;
+}
+
/* ------------------------------------------------------------------------- */
int
@@ -5941,10 +6110,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
allctr->min_block_size = sz;
}
- allctr->cpool.pooled_list.next = &allctr->cpool.pooled_list;
- allctr->cpool.pooled_list.prev = &allctr->cpool.pooled_list;
- allctr->cpool.traitor_list.next = &allctr->cpool.traitor_list;
- allctr->cpool.traitor_list.prev = &allctr->cpool.traitor_list;
+ allctr->cpool.pooled_tree = NULL;
allctr->cpool.dc_list.first = NULL;
allctr->cpool.dc_list.last = NULL;
allctr->cpool.abandon_limit = 0;
@@ -5954,24 +6120,18 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
erts_atomic_init_nob(&allctr->cpool.stat.carriers_size, 0);
erts_atomic_init_nob(&allctr->cpool.stat.no_carriers, 0);
allctr->cpool.check_limit_count = ERTS_ALC_CPOOL_CHECK_LIMIT_COUNT;
- allctr->cpool.util_limit = init->ts ? 0 : init->acul;
-
- allctr->sbc_threshold = init->sbct;
-#ifndef ARCH_64
- if (allctr->sbc_threshold > 0) {
- Uint max_mbc_block_sz = UNIT_CEILING(allctr->sbc_threshold - 1 + ABLK_HDR_SZ);
- if (max_mbc_block_sz + UNIT_FLOOR(allctr->min_block_size - 1) > MBC_ABLK_SZ_MASK
- || max_mbc_block_sz < allctr->sbc_threshold) { /* wrap around */
- /*
- * By limiting sbc_threshold to (hard limit - min_block_size)
- * we avoid having to split off free "residue blocks"
- * smaller than min_block_size.
- */
- max_mbc_block_sz = MBC_ABLK_SZ_MASK - UNIT_FLOOR(allctr->min_block_size - 1);
- allctr->sbc_threshold = max_mbc_block_sz - ABLK_HDR_SZ + 1;
- }
+ if (!init->ts && init->acul && init->acnl) {
+ allctr->cpool.util_limit = init->acul;
+ allctr->cpool.in_pool_limit = init->acnl;
+ allctr->cpool.fblk_min_limit = init->acfml;
}
-#endif
+ else {
+ allctr->cpool.util_limit = 0;
+ allctr->cpool.in_pool_limit = 0;
+ allctr->cpool.fblk_min_limit = 0;
+ }
+
+ allctr->sbc_threshold = adjust_sbct(allctr, init->sbct);
#if HAVE_ERTS_MSEG
if (allctr->mseg_opt.abs_shrink_th > ~((UWord) 0) / 100)
@@ -6022,6 +6182,9 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
allctr->sys_realloc = &erts_alcu_sys_realloc;
allctr->sys_dealloc = &erts_alcu_sys_dealloc;
}
+
+ allctr->try_set_dyn_param = &erts_alcu_try_set_dyn_param;
+
#if HAVE_ERTS_MSEG
if (init->mseg_alloc) {
ASSERT(init->mseg_realloc && init->mseg_dealloc);
@@ -6036,6 +6199,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
allctr->mseg_realloc = &erts_alcu_mseg_realloc;
allctr->mseg_dealloc = &erts_alcu_mseg_dealloc;
}
+
/* If a custom carrier alloc function is specified, make sure it's used */
if (init->mseg_alloc && !init->sys_alloc) {
allctr->crr_set_flgs = CFLG_FORCE_MSEG;
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index faeb5ef368..9a6de2bb75 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -61,7 +61,9 @@ typedef struct {
UWord lmbcs;
UWord smbcs;
UWord mbcgs;
- int acul;
+ UWord acul;
+ UWord acnl;
+ UWord acfml;
void *fix;
size_t *fix_type_size;
@@ -116,6 +118,8 @@ typedef struct {
1024*1024, /* (bytes) smbcs: smallest mbc size */\
10, /* (amount) mbcgs: mbc growth stages */\
0, /* (%) acul: abandon carrier utilization limit */\
+ 1000, /* (amount) acnl: abandoned carriers number limit */\
+ 0, /* (bytes) acfml: abandoned carrier fblk min limit */\
/* --- Data not options -------------------------------------------- */\
NULL, /* (ptr) fix */\
NULL /* (ptr) fix_type_size */\
@@ -149,6 +153,8 @@ typedef struct {
128*1024, /* (bytes) smbcs: smallest mbc size */\
10, /* (amount) mbcgs: mbc growth stages */\
0, /* (%) acul: abandon carrier utilization limit */\
+ 1000, /* (amount) acnl: abandoned carriers number limit */\
+ 0, /* (bytes) acfml: abandoned carrier fblk min limit */\
/* --- Data not options -------------------------------------------- */\
NULL, /* (ptr) fix */\
NULL /* (ptr) fix_type_size */\
@@ -216,6 +222,8 @@ void erts_alcu_literal_32_sys_dealloc(Allctr_t*, void *ptr, Uint size, int supe
void erts_lcnt_update_allocator_locks(int enable);
#endif
+int erts_alcu_try_set_dyn_param(Allctr_t*, Eterm param, Uint value);
+
#endif /* !ERL_ALLOC_UTIL__ */
#if defined(GET_ERL_ALLOC_UTIL_IMPL) && !defined(ERL_ALLOC_UTIL_IMPL__)
@@ -296,41 +304,7 @@ void erts_lcnt_update_allocator_locks(int enable);
typedef union {char c[ERTS_ALLOC_ALIGN_BYTES]; long l; double d;} Unit_t;
-
-typedef struct ErtsDoubleLink_t_ {
- struct ErtsDoubleLink_t_ *next;
- struct ErtsDoubleLink_t_ *prev;
-}ErtsDoubleLink_t;
-
-typedef struct {
- erts_atomic_t next;
- erts_atomic_t prev;
- Allctr_t *orig_allctr; /* read-only while carrier is alive */
- ErtsThrPrgrVal thr_prgr;
- erts_atomic_t max_size;
- UWord abandon_limit;
- UWord blocks;
- UWord blocks_size;
- ErtsDoubleLink_t abandoned; /* node in pooled_list or traitor_list */
-} ErtsAlcCPoolData_t;
-
-
typedef struct Carrier_t_ Carrier_t;
-struct Carrier_t_ {
- UWord chdr;
- Carrier_t *next;
- Carrier_t *prev;
- erts_atomic_t allctr;
- ErtsAlcCPoolData_t cpool; /* Overwritten by block if sbc */
-};
-
-#define ERTS_ALC_CARRIER_TO_ALLCTR(C) \
- ((Allctr_t *) (erts_atomic_read_nob(&(C)->allctr) & ~FLG_MASK))
-
-typedef struct {
- Carrier_t *first;
- Carrier_t *last;
-} CarrierList_t;
typedef struct {
UWord bhdr;
@@ -344,6 +318,22 @@ typedef struct {
#endif
} Block_t;
+typedef union ErtsAllctrDDBlock_t_ ErtsAllctrDDBlock_t;
+
+union ErtsAllctrDDBlock_t_ {
+ erts_atomic_t atmc_next;
+ ErtsAllctrDDBlock_t *ptr_next;
+};
+
+typedef struct {
+ Block_t blk;
+#if !MBC_ABLK_OFFSET_BITS
+ ErtsAllctrDDBlock_t umem_;
+#endif
+} ErtsFakeDDBlock_t;
+
+
+
#define THIS_FREE_BLK_HDR_FLG (((UWord) 1) << 0)
#define PREV_FREE_BLK_HDR_FLG (((UWord) 1) << 1)
#define LAST_BLK_HDR_FLG (((UWord) 1) << 2)
@@ -352,14 +342,13 @@ typedef struct {
(THIS_FREE_BLK_HDR_FLG | PREV_FREE_BLK_HDR_FLG | LAST_BLK_HDR_FLG)
/*
- * FREE_LAST_MBC_BLK_HDR_FLGS is a special flag combo used for
- * distinguishing empty mbc's from allocated blocks in
- * handle_delayed_dealloc().
+ * HOMECOMING_MBC_BLK_HDR is a special block header combo used for
+ * distinguishing MBC's from allocated blocks in handle_delayed_dealloc().
*/
-#define FREE_LAST_MBC_BLK_HDR_FLGS (THIS_FREE_BLK_HDR_FLG | LAST_BLK_HDR_FLG)
+#define HOMECOMING_MBC_BLK_HDR (THIS_FREE_BLK_HDR_FLG | LAST_BLK_HDR_FLG)
#define IS_FREE_LAST_MBC_BLK(B) \
- (((B)->bhdr & FLG_MASK) == FREE_LAST_MBC_BLK_HDR_FLGS)
+ (((B)->bhdr & FLG_MASK) == (THIS_FREE_BLK_HDR_FLG | LAST_BLK_HDR_FLG))
#define IS_SBC_BLK(B) (((B)->bhdr & FLG_MASK) == SBC_BLK_HDR_FLG)
#define IS_MBC_BLK(B) (!IS_SBC_BLK((B)))
@@ -383,6 +372,57 @@ typedef struct {
typedef UWord FreeBlkFtr_t; /* Footer of a free block */
+/* This AOFF stuff really belong in erl_ao_firstfit_alloc.h */
+typedef struct AOFF_RBTree_t_ AOFF_RBTree_t;
+struct AOFF_RBTree_t_ {
+ Block_t hdr;
+ AOFF_RBTree_t *parent;
+ AOFF_RBTree_t *left;
+ AOFF_RBTree_t *right;
+ Uint32 flags;
+ Uint32 max_sz; /* of all blocks in this sub-tree */
+};
+
+void aoff_add_pooled_mbc(Allctr_t*, Carrier_t*);
+void aoff_remove_pooled_mbc(Allctr_t*, Carrier_t*);
+Carrier_t* aoff_lookup_pooled_mbc(Allctr_t*, Uint size);
+void erts_aoff_larger_max_size(AOFF_RBTree_t *node);
+
+typedef struct {
+ ErtsFakeDDBlock_t homecoming_dd;
+ erts_atomic_t next;
+ erts_atomic_t prev;
+ Allctr_t *orig_allctr; /* read-only while carrier is alive */
+ ErtsThrPrgrVal thr_prgr;
+ erts_atomic_t max_size;
+ UWord abandon_limit;
+ UWord blocks;
+ UWord blocks_size;
+ enum {
+ ERTS_MBC_IS_HOME,
+ ERTS_MBC_WAS_POOLED,
+ ERTS_MBC_WAS_TRAITOR
+ } state;
+ AOFF_RBTree_t pooled; /* node in pooled_tree */
+} ErtsAlcCPoolData_t;
+
+struct Carrier_t_ {
+ UWord chdr;
+ Carrier_t *next;
+ Carrier_t *prev;
+ erts_atomic_t allctr;
+ ErtsAlcCPoolData_t cpool; /* Overwritten by block if sbc */
+};
+
+#define ERTS_ALC_CARRIER_TO_ALLCTR(C) \
+ ((Allctr_t *) (erts_atomic_read_nob(&(C)->allctr) & ~FLG_MASK))
+
+typedef struct {
+ Carrier_t *first;
+ Carrier_t *last;
+} CarrierList_t;
+
+
typedef Uint64 CallCounter_t;
typedef struct {
@@ -419,13 +459,6 @@ typedef struct {
#endif
-typedef union ErtsAllctrDDBlock_t_ ErtsAllctrDDBlock_t;
-
-union ErtsAllctrDDBlock_t_ {
- erts_atomic_t atmc_next;
- ErtsAllctrDDBlock_t *ptr_next;
-};
-
typedef struct {
ErtsAllctrDDBlock_t marker;
erts_atomic_t last;
@@ -537,25 +570,37 @@ struct Allctr_t_ {
UWord crr_set_flgs;
UWord crr_clr_flgs;
- /* Carriers */
+ /* Carriers *employed* by this allocator */
CarrierList_t mbc_list;
CarrierList_t sbc_list;
struct {
- /* pooled_list, traitor list and dc_list contain only
- carriers _created_ by this allocator */
- ErtsDoubleLink_t pooled_list;
- ErtsDoubleLink_t traitor_list;
+ /* pooled_tree and dc_list contain only
+ carriers *created* by this allocator */
+ AOFF_RBTree_t* pooled_tree;
CarrierList_t dc_list;
UWord abandon_limit;
int disable_abandon;
int check_limit_count;
- int util_limit;
+ UWord util_limit; /* acul */
+ UWord in_pool_limit; /* acnl */
+ UWord fblk_min_limit; /* acmfl */
struct {
erts_atomic_t blocks_size;
erts_atomic_t no_blocks;
erts_atomic_t carriers_size;
erts_atomic_t no_carriers;
+ CallCounter_t fail_pooled;
+ CallCounter_t fail_shared;
+ CallCounter_t fail_pend_dealloc;
+ CallCounter_t fail;
+ CallCounter_t fetch;
+ CallCounter_t skip_size;
+ CallCounter_t skip_busy;
+ CallCounter_t skip_not_pooled;
+ CallCounter_t skip_homecoming;
+ CallCounter_t skip_race;
+ CallCounter_t entrance_removed;
} stat;
} cpool;
@@ -589,6 +634,8 @@ struct Allctr_t_ {
void* (*sys_realloc)(Allctr_t *allctr, void *ptr, Uint *size_p, Uint old_size, int superalign);
void (*sys_dealloc)(Allctr_t *allctr, void *ptr, Uint size, int superalign);
+ int (*try_set_dyn_param)(Allctr_t*, Eterm param, Uint value);
+
void (*init_atoms) (void);
#ifdef ERTS_ALLOC_UTIL_HARD_DEBUG
diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c
index 05ba1f9891..f8a6101b95 100644
--- a/erts/emulator/beam/erl_ao_firstfit_alloc.c
+++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c
@@ -20,7 +20,7 @@
/*
- * Description: An "address order first fit" allocator
+ * Description: A family of "first fit" allocator strategies
* based on a Red-Black (binary search) Tree. The search,
* insert, and delete operations are all O(log n) operations
* on a Red-Black Tree.
@@ -40,6 +40,10 @@
* sorting order. Blocks within the same carrier are sorted
* wrt size instead of address. The 'max_sz' field is maintained
* in order to dismiss entire carriers with too small blocks.
+ * Age Order:
+ * Carriers are ordered by creation time instead of address.
+ * Oldest carrier with a large enough free block is chosen.
+ * No age order supported for blocks.
*
* Authors: Rickard Green/Sverker Eriksson
*/
@@ -53,10 +57,12 @@
#include "erl_ao_firstfit_alloc.h"
#ifdef DEBUG
+# define IS_DEBUG 1
#if 0
#define HARD_DEBUG
#endif
#else
+# define IS_DEBUG 0
#undef HARD_DEBUG
#endif
@@ -92,18 +98,6 @@
#define RBT_ASSERT(x)
#endif
-
-/* Types... */
-typedef struct AOFF_RBTree_t_ AOFF_RBTree_t;
-
-struct AOFF_RBTree_t_ {
- Block_t hdr;
- AOFF_RBTree_t *parent;
- AOFF_RBTree_t *left;
- AOFF_RBTree_t *right;
- Uint32 flags;
- Uint32 max_sz; /* of all blocks in this sub-tree */
-};
#define AOFF_BLK_SZ(B) MBC_FBLK_SZ(&(B)->hdr)
/* BF block nodes keeps list of all with equal size
@@ -121,6 +115,7 @@ typedef struct AOFF_Carrier_t_ AOFF_Carrier_t;
struct AOFF_Carrier_t_ {
Carrier_t crr;
AOFF_RBTree_t rbt_node; /* My node in the carrier tree */
+ Sint64 birth_time;
AOFF_RBTree_t* root; /* Root of my block tree */
};
#define RBT_NODE_TO_MBC(PTR) ErtsContainerStruct((PTR), AOFF_Carrier_t, rbt_node)
@@ -136,12 +131,12 @@ struct AOFF_Carrier_t_ {
*/
#ifdef HARD_DEBUG
-# define HARD_CHECK_IS_MEMBER(ROOT,NODE) rbt_assert_is_member(ROOT,NODE)
-# define HARD_CHECK_TREE(CRR,FLV,ROOT,SZ) check_tree(CRR, FLV, ROOT, SZ)
-static AOFF_RBTree_t * check_tree(Carrier_t* within_crr, enum AOFF_Flavor flavor, AOFF_RBTree_t* root, Uint);
+# define HARD_CHECK_IS_MEMBER(ROOT,NODE) ASSERT(rbt_is_member(ROOT,NODE))
+# define HARD_CHECK_TREE(CRR,ORDER,ROOT,SZ) check_tree(CRR, ORDER, ROOT, SZ)
+static AOFF_RBTree_t * check_tree(Carrier_t*, enum AOFFSortOrder, AOFF_RBTree_t*, Uint);
#else
# define HARD_CHECK_IS_MEMBER(ROOT,NODE)
-# define HARD_CHECK_TREE(CRR,FLV,ROOT,SZ)
+# define HARD_CHECK_TREE(CRR,ORDER,ROOT,SZ)
#endif
@@ -179,25 +174,63 @@ static ERTS_INLINE void lower_max_size(AOFF_RBTree_t *node,
else ASSERT(new_max == old_max);
}
-static ERTS_INLINE SWord cmp_blocks(enum AOFF_Flavor flavor,
+/*
+ * Set possibly new larger 'max_sz' of node and propagate change toward root
+ */
+void erts_aoff_larger_max_size(AOFF_RBTree_t *node)
+{
+ AOFF_RBTree_t* x = node;
+ const Uint new_sz = node->hdr.bhdr;
+
+ ASSERT(!x->left || x->left->max_sz <= x->max_sz);
+ ASSERT(!x->right || x->right->max_sz <= x->max_sz);
+
+ while (new_sz > x->max_sz) {
+ x->max_sz = new_sz;
+ x = x->parent;
+ if (!x)
+ break;
+ }
+}
+
+/* Compare nodes for both carrier and block trees */
+static ERTS_INLINE SWord cmp_blocks(enum AOFFSortOrder order,
AOFF_RBTree_t* lhs, AOFF_RBTree_t* rhs)
{
ASSERT(lhs != rhs);
- ASSERT(flavor == AOFF_AOFF || FBLK_TO_MBC(&lhs->hdr) == FBLK_TO_MBC(&rhs->hdr));
- if (flavor != AOFF_AOFF) {
- SWord diff = (SWord)AOFF_BLK_SZ(lhs) - (SWord)AOFF_BLK_SZ(rhs);
- if (diff || flavor == AOFF_BF) return diff;
+ if (order == FF_AGEFF) {
+ AOFF_Carrier_t* lc = RBT_NODE_TO_MBC(lhs);
+ AOFF_Carrier_t* rc = RBT_NODE_TO_MBC(rhs);
+ Sint64 diff = lc->birth_time - rc->birth_time;
+ #ifdef ARCH_64
+ if (diff)
+ return diff;
+ #else
+ if (diff < 0)
+ return -1;
+ else if (diff > 0)
+ return 1;
+ #endif
+ }
+ else {
+ ASSERT(order == FF_AOFF || FBLK_TO_MBC(&lhs->hdr) == FBLK_TO_MBC(&rhs->hdr));
+ if (order != FF_AOFF) {
+ SWord diff = (SWord)AOFF_BLK_SZ(lhs) - (SWord)AOFF_BLK_SZ(rhs);
+ if (diff || order == FF_BF) return diff;
+ }
}
return (char*)lhs - (char*)rhs;
}
-static ERTS_INLINE SWord cmp_cand_blk(enum AOFF_Flavor flavor,
+/* Compare candidate block. Only for block tree */
+static ERTS_INLINE SWord cmp_cand_blk(enum AOFFSortOrder order,
Block_t* cand_blk, AOFF_RBTree_t* rhs)
{
- if (flavor != AOFF_AOFF) {
+ ASSERT(order != FF_AGEFF);
+ if (order != FF_AOFF) {
if (BLK_TO_MBC(cand_blk) == FBLK_TO_MBC(&rhs->hdr)) {
SWord diff = (SWord)MBC_BLK_SZ(cand_blk) - (SWord)MBC_FBLK_SZ(&rhs->hdr);
- if (diff || flavor == AOFF_BF) return diff;
+ if (diff || order == FF_BF) return diff;
}
}
return (char*)cand_blk - (char*)rhs;
@@ -218,11 +251,8 @@ static UWord aoff_largest_fblk_in_mbc(Allctr_t*, Carrier_t*);
/* Generic tree functions used by both carrier and block trees. */
static void rbt_delete(AOFF_RBTree_t** root, AOFF_RBTree_t* del);
-static void rbt_insert(enum AOFF_Flavor flavor, AOFF_RBTree_t** root, AOFF_RBTree_t* blk);
+static void rbt_insert(enum AOFFSortOrder, AOFF_RBTree_t** root, AOFF_RBTree_t* blk);
static AOFF_RBTree_t* rbt_search(AOFF_RBTree_t* root, Uint size);
-#ifdef HARD_DEBUG
-static int rbt_assert_is_member(AOFF_RBTree_t* root, AOFF_RBTree_t* node);
-#endif
static Eterm info_options(Allctr_t *, char *, fmtfn_t *, void *, Uint **, Uint *);
static void init_atoms(void);
@@ -230,10 +260,17 @@ static void init_atoms(void);
static int atoms_initialized = 0;
+#ifndef ERTS_HAVE_OS_MONOTONIC_TIME_SUPPORT
+static erts_atomic64_t birth_time_counter;
+#endif
+
void
erts_aoffalc_init(void)
{
atoms_initialized = 0;
+#ifndef ERTS_HAVE_OS_MONOTONIC_TIME_SUPPORT
+ erts_atomic64_init_nob(&birth_time_counter, 0);
+#endif
}
Allctr_t *
@@ -254,11 +291,12 @@ erts_aoffalc_start(AOFFAllctr_t *alc,
sys_memcpy((void *) alc, (void *) &zero.allctr, sizeof(AOFFAllctr_t));
- alc->flavor = aoffinit->flavor;
+ alc->blk_order = aoffinit->blk_order;
+ alc->crr_order = aoffinit->crr_order;
allctr->mbc_header_size = sizeof(AOFF_Carrier_t);
allctr->min_mbc_size = MIN_MBC_SZ;
allctr->min_mbc_first_free_size = MIN_MBC_FIRST_FREE_SZ;
- allctr->min_block_size = (aoffinit->flavor == AOFF_BF ?
+ allctr->min_block_size = (aoffinit->blk_order == FF_BF ?
sizeof(AOFF_RBTreeList_t):sizeof(AOFF_RBTree_t));
allctr->vsn_str = ERTS_ALC_AOFF_ALLOC_VSN_STR;
@@ -487,9 +525,9 @@ aoff_unlink_free_block(Allctr_t *allctr, Block_t *blk)
AOFF_Carrier_t *crr = (AOFF_Carrier_t*) FBLK_TO_MBC(&del->hdr);
ASSERT(crr->rbt_node.hdr.bhdr == crr->root->max_sz);
- HARD_CHECK_TREE(&crr->crr, alc->flavor, crr->root, 0);
+ HARD_CHECK_TREE(&crr->crr, alc->blk_order, crr->root, 0);
- if (alc->flavor == AOFF_BF) {
+ if (alc->blk_order == FF_BF) {
ASSERT(del->flags & IS_BF_FLG);
if (IS_LIST_ELEM(del)) {
/* Remove from list */
@@ -510,14 +548,14 @@ aoff_unlink_free_block(Allctr_t *allctr, Block_t *blk)
replace(&crr->root, (AOFF_RBTree_t*)del, LIST_NEXT(del));
- HARD_CHECK_TREE(&crr->crr, alc->flavor, crr->root, 0);
+ HARD_CHECK_TREE(&crr->crr, alc->blk_order, crr->root, 0);
return;
}
}
rbt_delete(&crr->root, (AOFF_RBTree_t*)del);
- HARD_CHECK_TREE(&crr->crr, alc->flavor, crr->root, 0);
+ HARD_CHECK_TREE(&crr->crr, alc->blk_order, crr->root, 0);
/* Update the carrier tree with a potentially new (lower) max_sz
*/
@@ -715,32 +753,33 @@ aoff_link_free_block(Allctr_t *allctr, Block_t *block)
ASSERT(allctr == ERTS_ALC_CARRIER_TO_ALLCTR(&blk_crr->crr));
ASSERT(blk_crr->rbt_node.hdr.bhdr == (blk_crr->root ? blk_crr->root->max_sz : 0));
- HARD_CHECK_TREE(&blk_crr->crr, alc->flavor, blk_crr->root, 0);
+ HARD_CHECK_TREE(&blk_crr->crr, alc->blk_order, blk_crr->root, 0);
- rbt_insert(alc->flavor, &blk_crr->root, blk);
+ rbt_insert(alc->blk_order, &blk_crr->root, blk);
- /* Update the carrier tree with a potentially new (larger) max_sz
- */
+ /*
+ * Update carrier tree with a potentially new (larger) max_sz
+ */
crr_node = &blk_crr->rbt_node;
if (blk_sz > crr_node->hdr.bhdr) {
- ASSERT(blk_sz == blk_crr->root->max_sz);
- crr_node->hdr.bhdr = blk_sz;
- while (blk_sz > crr_node->max_sz) {
- crr_node->max_sz = blk_sz;
- crr_node = crr_node->parent;
- if (!crr_node) break;
- }
+ ASSERT(blk_sz == blk_crr->root->max_sz);
+ crr_node->hdr.bhdr = blk_sz;
+ while (blk_sz > crr_node->max_sz) {
+ crr_node->max_sz = blk_sz;
+ crr_node = crr_node->parent;
+ if (!crr_node) break;
+ }
}
- HARD_CHECK_TREE(&blk_crr->crr, alc->flavor, blk_crr->root, 0);
+ HARD_CHECK_TREE(NULL, alc->crr_order, alc->mbc_root, 0);
}
static void
-rbt_insert(enum AOFF_Flavor flavor, AOFF_RBTree_t** root, AOFF_RBTree_t* blk)
+rbt_insert(enum AOFFSortOrder order, AOFF_RBTree_t** root, AOFF_RBTree_t* blk)
{
Uint blk_sz = AOFF_BLK_SZ(blk);
#ifdef DEBUG
- blk->flags = (flavor == AOFF_BF) ? IS_BF_FLG : 0;
+ blk->flags = (order == FF_BF) ? IS_BF_FLG : 0;
#else
blk->flags = 0;
#endif
@@ -760,7 +799,7 @@ rbt_insert(enum AOFF_Flavor flavor, AOFF_RBTree_t** root, AOFF_RBTree_t* blk)
if (x->max_sz < blk_sz) {
x->max_sz = blk_sz;
}
- diff = cmp_blocks(flavor, blk, x);
+ diff = cmp_blocks(order, blk, x);
if (diff < 0) {
if (!x->left) {
blk->parent = x;
@@ -778,7 +817,7 @@ rbt_insert(enum AOFF_Flavor flavor, AOFF_RBTree_t** root, AOFF_RBTree_t* blk)
x = x->right;
}
else {
- ASSERT(flavor == AOFF_BF);
+ ASSERT(order == FF_BF);
ASSERT(blk->flags & IS_BF_FLG);
ASSERT(x->flags & IS_BF_FLG);
SET_LIST_ELEM(blk);
@@ -798,7 +837,7 @@ rbt_insert(enum AOFF_Flavor flavor, AOFF_RBTree_t** root, AOFF_RBTree_t* blk)
if (IS_RED(blk->parent))
tree_insert_fixup(root, blk);
}
- if (flavor == AOFF_BF) {
+ if (order == FF_BF) {
SET_TREE_NODE(blk);
LIST_NEXT(blk) = NULL;
}
@@ -826,6 +865,16 @@ rbt_search(AOFF_RBTree_t* root, Uint size)
}
}
+Carrier_t* aoff_lookup_pooled_mbc(Allctr_t* allctr, Uint size)
+{
+ AOFF_RBTree_t* node;
+
+ if (!allctr->cpool.pooled_tree)
+ return NULL;
+ node = rbt_search(allctr->cpool.pooled_tree, size);
+ return node ? ErtsContainerStruct(node, Carrier_t, cpool.pooled) : NULL;
+}
+
static Block_t *
aoff_get_free_block(Allctr_t *allctr, Uint size,
Block_t *cand_blk, Uint cand_size)
@@ -850,7 +899,7 @@ aoff_get_free_block(Allctr_t *allctr, Uint size,
/* Get block within carrier tree
*/
#ifdef HARD_DEBUG
- dbg_blk = HARD_CHECK_TREE(&crr->crr, alc->flavor, crr->root, size);
+ dbg_blk = HARD_CHECK_TREE(&crr->crr, alc->blk_order, crr->root, size);
#endif
blk = rbt_search(crr->root, size);
@@ -863,7 +912,7 @@ aoff_get_free_block(Allctr_t *allctr, Uint size,
if (!blk)
return NULL;
- if (cand_blk && cmp_cand_blk(alc->flavor, cand_blk, blk) < 0) {
+ if (cand_blk && cmp_cand_blk(alc->blk_order, cand_blk, blk) < 0) {
return NULL; /* cand_blk was better */
}
@@ -872,23 +921,32 @@ aoff_get_free_block(Allctr_t *allctr, Uint size,
return (Block_t *) blk;
}
+static ERTS_INLINE Sint64 get_birth_time(void)
+{
+#ifdef ERTS_HAVE_OS_MONOTONIC_TIME_SUPPORT
+ return (Sint64) erts_os_monotonic_time();
+#else
+ return (Sint64) erts_atomic64_inc_read_nob(&birth_time_counter);
+#endif
+}
+
static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier)
{
AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr;
AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier;
AOFF_RBTree_t **root = &alc->mbc_root;
- HARD_CHECK_TREE(NULL, 0, *root, 0);
+ HARD_CHECK_TREE(NULL, alc->crr_order, *root, 0);
- /* Link carrier in address order tree
- */
crr->rbt_node.hdr.bhdr = 0;
- rbt_insert(AOFF_AOFF, root, &crr->rbt_node);
+ if (alc->crr_order == FF_AGEFF || IS_DEBUG)
+ crr->birth_time = get_birth_time();
+ rbt_insert(alc->crr_order, root, &crr->rbt_node);
/* aoff_link_free_block will add free block later */
crr->root = NULL;
- HARD_CHECK_TREE(NULL, 0, *root, 0);
+ HARD_CHECK_TREE(NULL, alc->crr_order, *root, 0);
}
#define IS_CRR_IN_TREE(CRR,ROOT) \
@@ -911,27 +969,38 @@ static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier)
AOFF_RBTree_t **root = &alc->mbc_root;
ASSERT(!IS_CRR_IN_TREE(crr, *root));
- HARD_CHECK_TREE(NULL, 0, *root, 0);
+ HARD_CHECK_TREE(NULL, alc->crr_order, *root, 0);
+
+ rbt_insert(alc->crr_order, root, &crr->rbt_node);
+
+ HARD_CHECK_TREE(NULL, alc->crr_order, *root, 0);
+}
+
+void aoff_add_pooled_mbc(Allctr_t *allctr, Carrier_t *crr)
+{
+ AOFF_RBTree_t **root = &allctr->cpool.pooled_tree;
+
+ ASSERT(allctr == crr->cpool.orig_allctr);
+ HARD_CHECK_TREE(NULL, 0, *root, 0);
/* Link carrier in address order tree
*/
- rbt_insert(AOFF_AOFF, root, &crr->rbt_node);
+ rbt_insert(FF_AOFF, root, &crr->cpool.pooled);
HARD_CHECK_TREE(NULL, 0, *root, 0);
}
static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier)
{
- AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr;
- AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier;
- AOFF_RBTree_t **root = &alc->mbc_root;
+ AOFF_RBTree_t **root = &((AOFFAllctr_t*)allctr)->mbc_root;
+ AOFF_Carrier_t *crr = (AOFF_Carrier_t*)carrier;
ASSERT(allctr == ERTS_ALC_CARRIER_TO_ALLCTR(carrier));
if (!IS_CRR_IN_TREE(crr,*root))
- return;
+ return;
- HARD_CHECK_TREE(NULL, 0, *root, 0);
+ HARD_CHECK_TREE(NULL, alc->crr_order, *root, 0);
rbt_delete(root, &crr->rbt_node);
crr->rbt_node.parent = NULL;
@@ -939,9 +1008,27 @@ static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier)
crr->rbt_node.right = NULL;
crr->rbt_node.max_sz = crr->rbt_node.hdr.bhdr;
- HARD_CHECK_TREE(NULL, 0, *root, 0);
+ HARD_CHECK_TREE(NULL, alc->crr_order, *root, 0);
+}
+
+void aoff_remove_pooled_mbc(Allctr_t *allctr, Carrier_t *crr)
+{
+ ASSERT(allctr == crr->cpool.orig_allctr);
+
+ HARD_CHECK_TREE(NULL, 0, allctr->cpool.pooled_tree, 0);
+
+ rbt_delete(&allctr->cpool.pooled_tree, &crr->cpool.pooled);
+#ifdef DEBUG
+ crr->cpool.pooled.parent = NULL;
+ crr->cpool.pooled.left = NULL;
+ crr->cpool.pooled.right = NULL;
+ crr->cpool.pooled.max_sz = 0;
+#endif
+ HARD_CHECK_TREE(NULL, 0, allctr->cpool.pooled_tree, 0);
+
}
+
static UWord aoff_largest_fblk_in_mbc(Allctr_t* allctr, Carrier_t* carrier)
{
AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier;
@@ -955,17 +1042,17 @@ static UWord aoff_largest_fblk_in_mbc(Allctr_t* allctr, Carrier_t* carrier)
* info_options()
*/
+static const char* flavor_str[2][3] = {
+ {"ageffcaoff", "ageffcaobf", "ageffcbf"},
+ { "aoff", "aoffcaobf", "aoffcbf"}
+};
+static Eterm flavor_atoms[2][3];
+
static struct {
Eterm as;
- Eterm aoff;
- Eterm aoffcaobf;
- Eterm aoffcbf;
-#ifdef DEBUG
- Eterm end_of_atoms;
-#endif
} am;
-static void ERTS_INLINE atom_init(Eterm *atom, char *name)
+static void ERTS_INLINE atom_init(Eterm *atom, const char *name)
{
*atom = am_atom_put(name, strlen(name));
}
@@ -974,28 +1061,16 @@ static void ERTS_INLINE atom_init(Eterm *atom, char *name)
static void
init_atoms(void)
{
-#ifdef DEBUG
- Eterm *atom;
-#endif
+ int i, j;
if (atoms_initialized)
return;
-#ifdef DEBUG
- for (atom = (Eterm *) &am; atom <= &am.end_of_atoms; atom++) {
- *atom = THE_NON_VALUE;
- }
-#endif
AM_INIT(as);
- AM_INIT(aoff);
- AM_INIT(aoffcaobf);
- AM_INIT(aoffcbf);
-#ifdef DEBUG
- for (atom = (Eterm *) &am; atom < &am.end_of_atoms; atom++) {
- ASSERT(*atom != THE_NON_VALUE);
- }
-#endif
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < 3; j++)
+ atom_init(&flavor_atoms[i][j], flavor_str[i][j]);
atoms_initialized = 1;
}
@@ -1021,15 +1096,16 @@ info_options(Allctr_t *allctr,
{
AOFFAllctr_t* alc = (AOFFAllctr_t*) allctr;
Eterm res = THE_NON_VALUE;
- const char* flavor_str[3] = {"aoff", "aoffcaobf", "aoffcbf"};
- Eterm flavor_atom[3] = {am.aoff, am.aoffcaobf, am.aoffcbf};
+
+ ASSERT(alc->crr_order >= 0 && alc->crr_order <= 1);
+ ASSERT(alc->blk_order >= 1 && alc->blk_order <= 3);
if (print_to_p) {
erts_print(*print_to_p,
print_to_arg,
"%sas: %s\n",
prefix,
- flavor_str[alc->flavor]);
+ flavor_str[alc->crr_order][alc->blk_order-1]);
}
if (hpp || szp) {
@@ -1039,7 +1115,8 @@ info_options(Allctr_t *allctr,
__FILE__, __LINE__);;
res = NIL;
- add_2tup(hpp, szp, &res, am.as, flavor_atom[alc->flavor]);
+ add_2tup(hpp, szp, &res, am.as,
+ flavor_atoms[alc->crr_order][alc->blk_order-1]);
}
return res;
@@ -1057,7 +1134,7 @@ UWord
erts_aoffalc_test(UWord op, UWord a1, UWord a2)
{
switch (op) {
- case 0x500: return (UWord) ((AOFFAllctr_t *) a1)->flavor == AOFF_AOBF;
+ case 0x500: return (UWord) ((AOFFAllctr_t *) a1)->blk_order == FF_AOBF;
case 0x501: {
AOFF_RBTree_t *node = ((AOFFAllctr_t *) a1)->mbc_root;
Uint size = (Uint) a2;
@@ -1072,7 +1149,7 @@ erts_aoffalc_test(UWord op, UWord a1, UWord a2)
case 0x507: return (UWord) IS_TREE_NODE((AOFF_RBTree_t *) a1);
case 0x508: return (UWord) 0; /* IS_BF_ALGO */
case 0x509: return (UWord) ((AOFF_RBTree_t *) a1)->max_sz;
- case 0x50a: return (UWord) ((AOFFAllctr_t *) a1)->flavor == AOFF_BF;
+ case 0x50a: return (UWord) ((AOFFAllctr_t *) a1)->blk_order == FF_BF;
case 0x50b: return (UWord) LIST_PREV(a1);
default: ASSERT(0); return ~((UWord) 0);
}
@@ -1085,12 +1162,13 @@ erts_aoffalc_test(UWord op, UWord a1, UWord a2)
#ifdef HARD_DEBUG
-
-static int rbt_assert_is_member(AOFF_RBTree_t* root, AOFF_RBTree_t* node)
+static int rbt_is_member(AOFF_RBTree_t* root, AOFF_RBTree_t* node)
{
while (node != root) {
- ASSERT(node->parent);
- ASSERT(node->parent->left == node || node->parent->right == node);
+ if (!node->parent || (node->parent->left != node &&
+ node->parent->right != node)) {
+ return 0;
+ }
node = node->parent;
}
return 1;
@@ -1132,7 +1210,7 @@ static void print_tree(AOFF_RBTree_t*);
*/
static AOFF_RBTree_t *
-check_tree(Carrier_t* within_crr, enum AOFF_Flavor flavor, AOFF_RBTree_t* root, Uint size)
+check_tree(Carrier_t* within_crr, enum AOFFSortOrder order, AOFF_RBTree_t* root, Uint size)
{
AOFF_RBTree_t *res = NULL;
Sint blacks;
@@ -1144,7 +1222,8 @@ check_tree(Carrier_t* within_crr, enum AOFF_Flavor flavor, AOFF_RBTree_t* root,
#ifdef PRINT_TREE
print_tree(root);
#endif
- ASSERT(within_crr || flavor == AOFF_AOFF);
+ ASSERT((within_crr && order >= FF_AOFF) ||
+ (!within_crr && order <= FF_AOFF));
if (!root)
return res;
@@ -1202,7 +1281,7 @@ check_tree(Carrier_t* within_crr, enum AOFF_Flavor flavor, AOFF_RBTree_t* root,
ASSERT(((char*)x + AOFF_BLK_SZ(x)) <= ((char*)crr + CARRIER_SZ(crr)));
}
- if (flavor == AOFF_BF) {
+ if (order == FF_BF) {
AOFF_RBTree_t* y = x;
AOFF_RBTree_t* nxt = LIST_NEXT(y);
ASSERT(IS_TREE_NODE(x));
@@ -1225,13 +1304,13 @@ check_tree(Carrier_t* within_crr, enum AOFF_Flavor flavor, AOFF_RBTree_t* root,
if (x->left) {
ASSERT(x->left->parent == x);
- ASSERT(cmp_blocks(flavor, x->left, x) < 0);
+ ASSERT(cmp_blocks(order, x->left, x) < 0);
ASSERT(x->left->max_sz <= x->max_sz);
}
if (x->right) {
ASSERT(x->right->parent == x);
- ASSERT(cmp_blocks(flavor, x->right, x) > 0);
+ ASSERT(cmp_blocks(order, x->right, x) > 0);
ASSERT(x->right->max_sz <= x->max_sz);
}
ASSERT(x->max_sz >= AOFF_BLK_SZ(x));
@@ -1240,7 +1319,7 @@ check_tree(Carrier_t* within_crr, enum AOFF_Flavor flavor, AOFF_RBTree_t* root,
|| x->max_sz == (x->right ? x->right->max_sz : 0));
if (size && AOFF_BLK_SZ(x) >= size) {
- if (!res || cmp_blocks(flavor, x, res) < 0) {
+ if (!res || cmp_blocks(order, x, res) < 0) {
res = x;
}
}
diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.h b/erts/emulator/beam/erl_ao_firstfit_alloc.h
index 7349c6ab19..9cf4fc81a8 100644
--- a/erts/emulator/beam/erl_ao_firstfit_alloc.h
+++ b/erts/emulator/beam/erl_ao_firstfit_alloc.h
@@ -28,14 +28,16 @@
typedef struct AOFFAllctr_t_ AOFFAllctr_t;
-enum AOFF_Flavor {
- AOFF_AOFF = 0,
- AOFF_AOBF = 1,
- AOFF_BF = 2
+enum AOFFSortOrder {
+ FF_AGEFF = 0,
+ FF_AOFF = 1,
+ FF_AOBF = 2,
+ FF_BF = 3
};
typedef struct {
- enum AOFF_Flavor flavor;
+ enum AOFFSortOrder blk_order;
+ enum AOFFSortOrder crr_order;
} AOFFAllctrInit_t;
#define ERTS_DEFAULT_AOFF_ALLCTR_INIT {0/*dummy*/}
@@ -53,12 +55,12 @@ Allctr_t *erts_aoffalc_start(AOFFAllctr_t *, AOFFAllctrInit_t*, AllctrInit_t *);
#define GET_ERL_ALLOC_UTIL_IMPL
#include "erl_alloc_util.h"
-
struct AOFFAllctr_t_ {
Allctr_t allctr; /* Has to be first! */
struct AOFF_RBTree_t_* mbc_root;
- enum AOFF_Flavor flavor;
+ enum AOFFSortOrder blk_order;
+ enum AOFFSortOrder crr_order;
};
UWord erts_aoffalc_test(UWord, UWord, UWord);
diff --git a/erts/emulator/beam/erl_bif_binary.c b/erts/emulator/beam/erl_bif_binary.c
index 41c2ae08d3..33bc189182 100644
--- a/erts/emulator/beam/erl_bif_binary.c
+++ b/erts/emulator/beam/erl_bif_binary.c
@@ -61,8 +61,6 @@ static Export binary_longest_prefix_trap_export;
static BIF_RETTYPE binary_longest_prefix_trap(BIF_ALIST_3);
static Export binary_longest_suffix_trap_export;
static BIF_RETTYPE binary_longest_suffix_trap(BIF_ALIST_3);
-static Export binary_bin_to_list_trap_export;
-static BIF_RETTYPE binary_bin_to_list_trap(BIF_ALIST_3);
static Export binary_copy_trap_export;
static BIF_RETTYPE binary_copy_trap(BIF_ALIST_2);
static Uint max_loop_limit;
@@ -86,10 +84,6 @@ void erts_init_bif_binary(void)
am_erlang, am_binary_longest_suffix_trap, 3,
&binary_longest_suffix_trap);
- erts_init_trap_export(&binary_bin_to_list_trap_export,
- am_erlang, am_binary_bin_to_list_trap, 3,
- &binary_bin_to_list_trap);
-
erts_init_trap_export(&binary_copy_trap_export,
am_erlang, am_binary_copy_trap, 2,
&binary_copy_trap);
@@ -2440,191 +2434,6 @@ BIF_RETTYPE binary_at_2(BIF_ALIST_2)
BIF_ERROR(BIF_P,BADARG);
}
-#define BIN_TO_LIST_OK 0
-#define BIN_TO_LIST_TRAP 1
-/* No badarg, checked before call */
-
-#define BIN_TO_LIST_LOOP_FACTOR 10
-
-static int do_bin_to_list(Process *p, byte *bytes, Uint bit_offs,
- Uint start, Sint *lenp, Eterm *termp)
-{
- Uint reds = get_reds(p, BIN_TO_LIST_LOOP_FACTOR); /* reds can never be 0 */
- Uint len = *lenp;
- Uint loops;
- Eterm *hp;
- Eterm term = *termp;
- Uint n;
-
- ASSERT(reds > 0);
-
- loops = MIN(reds,len);
-
- BUMP_REDS(p, loops / BIN_TO_LIST_LOOP_FACTOR);
-
- hp = HAlloc(p,2*loops);
- while (loops--) {
- --len;
- if (bit_offs) {
- n = ((((Uint) bytes[start+len]) << bit_offs) |
- (((Uint) bytes[start+len+1]) >> (8-bit_offs))) & 0xFF;
- } else {
- n = bytes[start+len];
- }
-
- term = CONS(hp,make_small(n),term);
- hp +=2;
- }
- *termp = term;
- *lenp = len;
- if (len) {
- BUMP_ALL_REDS(p);
- return BIN_TO_LIST_TRAP;
- }
- return BIN_TO_LIST_OK;
-}
-
-
-static BIF_RETTYPE do_trap_bin_to_list(Process *p, Eterm binary,
- Uint start, Sint len, Eterm sofar)
-{
- Eterm *hp;
- Eterm blob;
-
- hp = HAlloc(p,3);
- hp[0] = make_pos_bignum_header(2);
- hp[1] = start;
- hp[2] = (Uint) len;
- blob = make_big(hp);
- BIF_TRAP3(&binary_bin_to_list_trap_export, p, binary, blob, sofar);
-}
-
-static BIF_RETTYPE binary_bin_to_list_trap(BIF_ALIST_3)
-{
- Eterm *ptr;
- Uint start;
- Sint len;
- byte *bytes;
- Uint bit_offs;
- Uint bit_size;
- Eterm res = BIF_ARG_3;
-
- ptr = big_val(BIF_ARG_2);
- start = ptr[1];
- len = (Sint) ptr[2];
-
- ERTS_GET_BINARY_BYTES(BIF_ARG_1,bytes,bit_offs,bit_size);
- if (do_bin_to_list(BIF_P, bytes, bit_offs, start, &len, &res) ==
- BIN_TO_LIST_OK) {
- BIF_RET(res);
- }
- return do_trap_bin_to_list(BIF_P,BIF_ARG_1,start,len,res);
-}
-
-static BIF_RETTYPE binary_bin_to_list_common(Process *p,
- Eterm bin,
- Eterm epos,
- Eterm elen)
-{
- Uint pos;
- Sint len;
- size_t sz;
- byte *bytes;
- Uint bit_offs;
- Uint bit_size;
- Eterm res = NIL;
-
- if (is_not_binary(bin)) {
- goto badarg;
- }
- if (!term_to_Uint(epos, &pos)) {
- goto badarg;
- }
- if (!term_to_Sint(elen, &len)) {
- goto badarg;
- }
- if (len < 0) {
- Uint lentmp = -(Uint)len;
- /* overflow */
- if ((Sint)lentmp < 0) {
- goto badarg;
- }
- len = lentmp;
- if (len > pos) {
- goto badarg;
- }
- pos -= len;
- }
- /* overflow */
- if ((pos + len) < pos || (len > 0 && (pos + len) == pos)) {
- goto badarg;
- }
- sz = binary_size(bin);
-
- if (pos+len > sz) {
- goto badarg;
- }
- ERTS_GET_BINARY_BYTES(bin,bytes,bit_offs,bit_size);
- if (bit_size != 0) {
- goto badarg;
- }
- if(do_bin_to_list(p, bytes, bit_offs, pos, &len, &res) ==
- BIN_TO_LIST_OK) {
- BIF_RET(res);
- }
- return do_trap_bin_to_list(p,bin,pos,len,res);
-
- badarg:
- BIF_ERROR(p,BADARG);
-}
-
-BIF_RETTYPE binary_bin_to_list_3(BIF_ALIST_3)
-{
- return binary_bin_to_list_common(BIF_P,BIF_ARG_1,BIF_ARG_2,BIF_ARG_3);
-}
-
-BIF_RETTYPE binary_bin_to_list_2(BIF_ALIST_2)
-{
- Eterm *tp;
-
- if (is_not_tuple(BIF_ARG_2)) {
- goto badarg;
- }
- tp = tuple_val(BIF_ARG_2);
- if (arityval(*tp) != 2) {
- goto badarg;
- }
- return binary_bin_to_list_common(BIF_P,BIF_ARG_1,tp[1],tp[2]);
- badarg:
- BIF_ERROR(BIF_P,BADARG);
-}
-
-BIF_RETTYPE binary_bin_to_list_1(BIF_ALIST_1)
-{
- Uint pos = 0;
- Sint len;
- byte *bytes;
- Uint bit_offs;
- Uint bit_size;
- Eterm res = NIL;
-
- if (is_not_binary(BIF_ARG_1)) {
- goto badarg;
- }
- len = binary_size(BIF_ARG_1);
- ERTS_GET_BINARY_BYTES(BIF_ARG_1,bytes,bit_offs,bit_size);
- if (bit_size != 0) {
- goto badarg;
- }
- if(do_bin_to_list(BIF_P, bytes, bit_offs, pos, &len, &res) ==
- BIN_TO_LIST_OK) {
- BIF_RET(res);
- }
- return do_trap_bin_to_list(BIF_P,BIF_ARG_1,pos,len,res);
- badarg:
- BIF_ERROR(BIF_P,BADARG);
-}
-
HIPE_WRAPPER_BIF_DISABLE_GC(binary_list_to_bin, 1)
BIF_RETTYPE binary_list_to_bin_1(BIF_ALIST_1)
diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c
index 9f0c90ff7b..b184adedee 100644
--- a/erts/emulator/beam/erl_bif_port.c
+++ b/erts/emulator/beam/erl_bif_port.c
@@ -639,6 +639,27 @@ BIF_RETTYPE port_get_data_1(BIF_ALIST_1)
BIF_RET(res);
}
+Eterm erts_port_data_read(Port* prt)
+{
+ Eterm res;
+ erts_aint_t data;
+
+ data = erts_atomic_read_ddrb(&prt->data);
+ if (data == (erts_aint_t)NULL)
+ return am_undefined; /* Port terminated by racing thread */
+
+ if ((data & 0x3) != 0) {
+ res = (Eterm) (UWord) data;
+ ASSERT(is_immed(res));
+ }
+ else {
+ ErtsPortDataHeap *pdhp = (ErtsPortDataHeap *) data;
+ res = pdhp->data;
+ }
+ return res;
+}
+
+
/*
* Open a port. Most of the work is not done here but rather in
* the file io.c.
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c
index 3ba0886464..1ab1c4a363 100644
--- a/erts/emulator/beam/erl_db.c
+++ b/erts/emulator/beam/erl_db.c
@@ -1753,6 +1753,28 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2)
BIF_RET(ret);
}
+/*
+** Retrieves the tid() of a named ets table.
+*/
+BIF_RETTYPE ets_whereis_1(BIF_ALIST_1)
+{
+ DbTable* tb;
+ Eterm res;
+
+ if (is_not_atom(BIF_ARG_1)) {
+ BIF_ERROR(BIF_P, BADARG);
+ }
+
+ if ((tb = db_get_table(BIF_P, BIF_ARG_1, DB_INFO, LCK_READ)) == NULL) {
+ BIF_RET(am_undefined);
+ }
+
+ res = make_tid(BIF_P, tb);
+ db_unlock(tb, LCK_READ);
+
+ BIF_RET(res);
+}
+
/*
** The lookup BIF
*/
@@ -3126,7 +3148,8 @@ BIF_RETTYPE ets_info_1(BIF_ALIST_1)
static Eterm fields[] = {am_protection, am_keypos, am_type, am_named_table,
am_node, am_size, am_name, am_heir, am_owner, am_memory, am_compressed,
am_write_concurrency,
- am_read_concurrency};
+ am_read_concurrency,
+ am_id};
Eterm results[sizeof(fields)/sizeof(Eterm)];
DbTable* tb;
Eterm res;
@@ -4016,7 +4039,10 @@ static Eterm table_info(Process* p, DbTable* tb, Eterm What)
ret = is_table_named(tb) ? am_true : am_false;
} else if (What == am_compressed) {
ret = tb->common.compress ? am_true : am_false;
+ } else if (What == am_id) {
+ ret = make_tid(p, tb);
}
+
/*
* For debugging purposes
*/
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index 0da4468f9c..1c64644efc 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -116,6 +116,7 @@ typedef struct {
static Uint setup_rootset(Process*, Eterm*, int, Rootset*);
static void cleanup_rootset(Rootset *rootset);
static Eterm *full_sweep_heaps(Process *p,
+ ErlHeapFragment *live_hf_end,
int hibernate,
Eterm *n_heap, Eterm* n_htop,
char *oh, Uint oh_size,
@@ -142,7 +143,7 @@ static Eterm* sweep_literal_area(Eterm* n_hp, Eterm* n_htop,
static Eterm* sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop,
char* src, Uint src_size);
static Eterm* collect_live_heap_frags(Process* p, ErlHeapFragment *live_hf_end,
- Eterm* heap, Eterm* htop, Eterm* objv, int nobj);
+ Eterm* htop);
static int adjust_after_fullsweep(Process *p, int need, Eterm *objv, int nobj);
static void shrink_new_heap(Process *p, Uint new_sz, Eterm *objv, int nobj);
static void grow_new_heap(Process *p, Uint new_sz, Eterm* objv, int nobj);
@@ -917,6 +918,7 @@ garbage_collect_hibernate(Process* p, int check_long_gc)
htop = heap;
htop = full_sweep_heaps(p,
+ ERTS_INVALID_HFRAG_PTR,
1,
heap,
htop,
@@ -1161,7 +1163,7 @@ erts_garbage_collect_literals(Process* p, Eterm* literals,
roots++;
- while (g_sz--) {
+ for ( ; g_sz--; g_ptr++) {
Eterm gval = *g_ptr;
switch (primary_tag(gval)) {
@@ -1170,26 +1172,21 @@ erts_garbage_collect_literals(Process* p, Eterm* literals,
val = *ptr;
if (IS_MOVED_BOXED(val)) {
ASSERT(is_boxed(val));
- *g_ptr++ = val;
+ *g_ptr = val;
} else if (ErtsInArea(ptr, area, area_size)) {
- move_boxed(&ptr,val,&old_htop,g_ptr++);
- } else {
- g_ptr++;
+ move_boxed(ptr,val,&old_htop,g_ptr);
}
break;
case TAG_PRIMARY_LIST:
ptr = list_val(gval);
val = *ptr;
if (IS_MOVED_CONS(val)) { /* Moved */
- *g_ptr++ = ptr[1];
+ *g_ptr = ptr[1];
} else if (ErtsInArea(ptr, area, area_size)) {
- move_cons(&ptr,val,&old_htop,g_ptr++);
- } else {
- g_ptr++;
- }
+ move_cons(ptr,val,&old_htop,g_ptr);
+ }
break;
default:
- g_ptr++;
break;
}
}
@@ -1479,25 +1476,29 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end,
n_htop = n_heap = (Eterm*) ERTS_HEAP_ALLOC(ERTS_ALC_T_HEAP,
sizeof(Eterm)*new_sz);
+ n = setup_rootset(p, objv, nobj, &rootset);
+ roots = rootset.roots;
+
+ /*
+ * All allocations done. Start defile heap with move markers.
+ * A crash dump due to allocation failure above will see a healthy heap.
+ */
+
if (live_hf_end != ERTS_INVALID_HFRAG_PTR) {
/*
* Move heap frags that we know are completely live
* directly into the new young heap generation.
*/
- n_htop = collect_live_heap_frags(p, live_hf_end, n_heap, n_htop,
- objv, nobj);
+ n_htop = collect_live_heap_frags(p, live_hf_end, n_htop);
}
- n = setup_rootset(p, objv, nobj, &rootset);
- roots = rootset.roots;
-
GENSWEEP_NSTACK(p, old_htop, n_htop);
while (n--) {
Eterm* g_ptr = roots->v;
Uint g_sz = roots->sz;
roots++;
- while (g_sz--) {
+ for ( ; g_sz--; g_ptr++) {
gval = *g_ptr;
switch (primary_tag(gval)) {
@@ -1507,14 +1508,12 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end,
val = *ptr;
if (IS_MOVED_BOXED(val)) {
ASSERT(is_boxed(val));
- *g_ptr++ = val;
+ *g_ptr = val;
} else if (ErtsInArea(ptr, mature, mature_size)) {
- move_boxed(&ptr,val,&old_htop,g_ptr++);
+ move_boxed(ptr,val,&old_htop,g_ptr);
} else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) {
- move_boxed(&ptr,val,&n_htop,g_ptr++);
- } else {
- g_ptr++;
- }
+ move_boxed(ptr,val,&n_htop,g_ptr);
+ }
break;
}
@@ -1522,19 +1521,15 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end,
ptr = list_val(gval);
val = *ptr;
if (IS_MOVED_CONS(val)) { /* Moved */
- *g_ptr++ = ptr[1];
+ *g_ptr = ptr[1];
} else if (ErtsInArea(ptr, mature, mature_size)) {
- move_cons(&ptr,val,&old_htop,g_ptr++);
+ move_cons(ptr,val,&old_htop,g_ptr);
} else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) {
- move_cons(&ptr,val,&n_htop,g_ptr++);
- } else {
- g_ptr++;
- }
+ move_cons(ptr,val,&n_htop,g_ptr);
+ }
break;
}
-
default:
- g_ptr++;
break;
}
}
@@ -1568,9 +1563,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end,
ASSERT(is_boxed(val));
*n_hp++ = val;
} else if (ErtsInArea(ptr, mature, mature_size)) {
- move_boxed(&ptr,val,&old_htop,n_hp++);
+ move_boxed(ptr,val,&old_htop,n_hp++);
} else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) {
- move_boxed(&ptr,val,&n_htop,n_hp++);
+ move_boxed(ptr,val,&n_htop,n_hp++);
} else {
n_hp++;
}
@@ -1582,9 +1577,9 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end,
if (IS_MOVED_CONS(val)) {
*n_hp++ = ptr[1];
} else if (ErtsInArea(ptr, mature, mature_size)) {
- move_cons(&ptr,val,&old_htop,n_hp++);
+ move_cons(ptr,val,&old_htop,n_hp++);
} else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) {
- move_cons(&ptr,val,&n_htop,n_hp++);
+ move_cons(ptr,val,&n_htop,n_hp++);
} else {
n_hp++;
}
@@ -1604,10 +1599,10 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end,
*origptr = val;
mb->base = binary_bytes(val);
} else if (ErtsInArea(ptr, mature, mature_size)) {
- move_boxed(&ptr,val,&old_htop,origptr);
+ move_boxed(ptr,val,&old_htop,origptr);
mb->base = binary_bytes(mb->orig);
} else if (ErtsInYoungGen(*origptr, ptr, oh, oh_size)) {
- move_boxed(&ptr,val,&n_htop,origptr);
+ move_boxed(ptr,val,&n_htop,origptr);
mb->base = binary_bytes(mb->orig);
}
}
@@ -1733,16 +1728,8 @@ major_collection(Process* p, ErlHeapFragment *live_hf_end,
n_htop = n_heap = (Eterm *) ERTS_HEAP_ALLOC(ERTS_ALC_T_HEAP,
sizeof(Eterm)*new_sz);
- if (live_hf_end != ERTS_INVALID_HFRAG_PTR) {
- /*
- * Move heap frags that we know are completely live
- * directly into the heap.
- */
- n_htop = collect_live_heap_frags(p, live_hf_end, n_heap, n_htop,
- objv, nobj);
- }
-
- n_htop = full_sweep_heaps(p, 0, n_heap, n_htop, oh, oh_size, objv, nobj);
+ n_htop = full_sweep_heaps(p, live_hf_end, 0, n_heap, n_htop, oh, oh_size,
+ objv, nobj);
/* Move the stack to the end of the heap */
stk_sz = HEAP_END(p) - p->stop;
@@ -1789,6 +1776,7 @@ major_collection(Process* p, ErlHeapFragment *live_hf_end,
static Eterm *
full_sweep_heaps(Process *p,
+ ErlHeapFragment *live_hf_end,
int hibernate,
Eterm *n_heap, Eterm* n_htop,
char *oh, Uint oh_size,
@@ -1805,6 +1793,19 @@ full_sweep_heaps(Process *p,
n = setup_rootset(p, objv, nobj, &rootset);
+ /*
+ * All allocations done. Start defile heap with move markers.
+ * A crash dump due to allocation failure above will see a healthy heap.
+ */
+
+ if (live_hf_end != ERTS_INVALID_HFRAG_PTR) {
+ /*
+ * Move heap frags that we know are completely live
+ * directly into the heap.
+ */
+ n_htop = collect_live_heap_frags(p, live_hf_end, n_htop);
+ }
+
#ifdef HIPE
if (hibernate)
hipe_empty_nstack(p);
@@ -1818,7 +1819,7 @@ full_sweep_heaps(Process *p,
Eterm g_sz = roots->sz;
roots++;
- while (g_sz--) {
+ for ( ; g_sz--; g_ptr++) {
Eterm* ptr;
Eterm val;
Eterm gval = *g_ptr;
@@ -1830,32 +1831,26 @@ full_sweep_heaps(Process *p,
val = *ptr;
if (IS_MOVED_BOXED(val)) {
ASSERT(is_boxed(val));
- *g_ptr++ = val;
+ *g_ptr = val;
} else if (!erts_is_literal(gval, ptr)) {
- move_boxed(&ptr,val,&n_htop,g_ptr++);
- } else {
- g_ptr++;
+ move_boxed(ptr,val,&n_htop,g_ptr);
}
- continue;
+ break;
}
case TAG_PRIMARY_LIST: {
ptr = list_val(gval);
val = *ptr;
if (IS_MOVED_CONS(val)) {
- *g_ptr++ = ptr[1];
+ *g_ptr = ptr[1];
} else if (!erts_is_literal(gval, ptr)) {
- move_cons(&ptr,val,&n_htop,g_ptr++);
- } else {
- g_ptr++;
+ move_cons(ptr,val,&n_htop,g_ptr);
}
- continue;
+ break;
}
- default: {
- g_ptr++;
- continue;
- }
+ default:
+ break;
}
}
}
@@ -2134,7 +2129,7 @@ sweep(Eterm *n_hp, Eterm *n_htop,
ASSERT(is_boxed(val));
*n_hp++ = val;
} else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) {
- move_boxed(&ptr,val,&n_htop,n_hp++);
+ move_boxed(ptr,val,&n_htop,n_hp++);
} else {
n_hp++;
}
@@ -2146,7 +2141,7 @@ sweep(Eterm *n_hp, Eterm *n_htop,
if (IS_MOVED_CONS(val)) {
*n_hp++ = ptr[1];
} else if (ERTS_IS_IN_SWEEP_AREA(gval, ptr)) {
- move_cons(&ptr,val,&n_htop,n_hp++);
+ move_cons(ptr,val,&n_htop,n_hp++);
} else {
n_hp++;
}
@@ -2167,7 +2162,7 @@ sweep(Eterm *n_hp, Eterm *n_htop,
*origptr = val;
mb->base = binary_bytes(*origptr);
} else if (ERTS_IS_IN_SWEEP_AREA(*origptr, ptr)) {
- move_boxed(&ptr,val,&n_htop,origptr);
+ move_boxed(ptr,val,&n_htop,origptr);
mb->base = binary_bytes(*origptr);
}
}
@@ -2230,7 +2225,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop,
ASSERT(is_boxed(val));
*heap_ptr++ = val;
} else if (ErtsInArea(ptr, src, src_size)) {
- move_boxed(&ptr,val,&htop,heap_ptr++);
+ move_boxed(ptr,val,&htop,heap_ptr++);
} else {
heap_ptr++;
}
@@ -2242,7 +2237,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop,
if (IS_MOVED_CONS(val)) {
*heap_ptr++ = ptr[1];
} else if (ErtsInArea(ptr, src, src_size)) {
- move_cons(&ptr,val,&htop,heap_ptr++);
+ move_cons(ptr,val,&htop,heap_ptr++);
} else {
heap_ptr++;
}
@@ -2263,7 +2258,7 @@ sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop,
*origptr = val;
mb->base = binary_bytes(*origptr);
} else if (ErtsInArea(ptr, src, src_size)) {
- move_boxed(&ptr,val,&htop,origptr);
+ move_boxed(ptr,val,&htop,origptr);
mb->base = binary_bytes(*origptr);
}
}
@@ -2296,11 +2291,11 @@ move_one_area(Eterm* n_htop, char* src, Uint src_size)
ASSERT(val != ERTS_HOLE_MARKER);
if (is_header(val)) {
ASSERT(ptr + header_arity(val) < end);
- move_boxed(&ptr, val, &n_htop, &dummy_ref);
+ ptr = move_boxed(ptr, val, &n_htop, &dummy_ref);
}
else { /* must be a cons cell */
ASSERT(ptr+1 < end);
- move_cons(&ptr, val, &n_htop, &dummy_ref);
+ move_cons(ptr, val, &n_htop, &dummy_ref);
ptr += 2;
}
}
@@ -2313,9 +2308,7 @@ move_one_area(Eterm* n_htop, char* src, Uint src_size)
*/
static Eterm*
-collect_live_heap_frags(Process* p, ErlHeapFragment *live_hf_end,
- Eterm* n_hstart, Eterm* n_htop,
- Eterm* objv, int nobj)
+collect_live_heap_frags(Process* p, ErlHeapFragment *live_hf_end, Eterm* n_htop)
{
ErlHeapFragment* qb;
char* frag_begin;
@@ -3281,8 +3274,7 @@ reply_gc_info(void *vgcirp)
gcireq_free(vgcirp);
}
-void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig) {
- Eterm *ptr = *pp;
+Eterm* erts_sub_binary_to_heap_binary(Eterm *ptr, Eterm **hpp, Eterm *orig) {
Eterm *htop = *hpp;
Eterm gval;
ErlSubBin *sb = (ErlSubBin *)ptr;
@@ -3310,7 +3302,7 @@ void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig) {
htop += heap_bin_size(sb->size);
*hpp = htop;
- *pp = ptr;
+ return ptr;
}
diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h
index 6a529b8443..dec0ab1143 100644
--- a/erts/emulator/beam/erl_gc.h
+++ b/erts/emulator/beam/erl_gc.h
@@ -33,14 +33,15 @@
#define IS_MOVED_BOXED(x) (!is_header((x)))
#define IS_MOVED_CONS(x) (is_non_value((x)))
-void erts_sub_binary_to_heap_binary(Eterm **pp, Eterm **hpp, Eterm *orig);
+Eterm* erts_sub_binary_to_heap_binary(Eterm *ptr, Eterm **hpp, Eterm *orig);
-ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig);
+ERTS_GLB_INLINE void move_cons(Eterm *ERTS_RESTRICT ptr, Eterm car, Eterm **hpp,
+ Eterm *orig);
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
-ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig)
+ERTS_GLB_INLINE void move_cons(Eterm *ERTS_RESTRICT ptr, Eterm car, Eterm **hpp,
+ Eterm *orig)
{
- Eterm *ptr = *pp;
- Eterm *htop = *hpp;
+ Eterm *ERTS_RESTRICT htop = *hpp;
Eterm gval;
htop[0] = car; /* copy car */
@@ -53,14 +54,15 @@ ERTS_GLB_INLINE void move_cons(Eterm **pp, Eterm car, Eterm **hpp, Eterm *orig)
}
#endif
-ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig);
+ERTS_GLB_INLINE Eterm* move_boxed(Eterm *ERTS_RESTRICT ptr, Eterm hdr, Eterm **hpp,
+ Eterm *orig);
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
-ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig)
+ERTS_GLB_INLINE Eterm* move_boxed(Eterm *ERTS_RESTRICT ptr, Eterm hdr, Eterm **hpp,
+ Eterm *orig)
{
Eterm gval;
Sint nelts;
- Eterm *ptr = *pp;
- Eterm *htop = *hpp;
+ Eterm *ERTS_RESTRICT htop = *hpp;
ASSERT(is_header(hdr));
nelts = header_arity(hdr);
@@ -71,8 +73,7 @@ ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig)
/* convert sub-binary to heap-binary if applicable */
if (sb->bitsize == 0 && sb->bitoffs == 0 &&
sb->is_writable == 0 && sb->size <= sizeof(Eterm) * 3) {
- erts_sub_binary_to_heap_binary(pp, hpp, orig);
- return;
+ return erts_sub_binary_to_heap_binary(ptr, hpp, orig);
}
}
nelts++;
@@ -90,7 +91,7 @@ ERTS_GLB_INLINE void move_boxed(Eterm **pp, Eterm hdr, Eterm **hpp, Eterm *orig)
while (nelts--) *htop++ = *ptr++;
*hpp = htop;
- *pp = ptr;
+ return ptr;
}
#endif
diff --git a/erts/emulator/beam/erl_goodfit_alloc.c b/erts/emulator/beam/erl_goodfit_alloc.c
index 50aa41b4d2..a38f6c7daf 100644
--- a/erts/emulator/beam/erl_goodfit_alloc.c
+++ b/erts/emulator/beam/erl_goodfit_alloc.c
@@ -170,6 +170,7 @@ static void unlink_free_block (Allctr_t *, Block_t *);
static void update_last_aux_mbc (Allctr_t *, Carrier_t *);
static Eterm info_options (Allctr_t *, char *, fmtfn_t *,
void *, Uint **, Uint *);
+static int gfalc_try_set_dyn_param(Allctr_t*, Eterm param, Uint value);
static void init_atoms (void);
#ifdef ERTS_ALLOC_UTIL_HARD_DEBUG
@@ -250,6 +251,8 @@ erts_gfalc_start(GFAllctr_t *gfallctr,
if (!erts_alcu_start(allctr, init))
return NULL;
+ allctr->try_set_dyn_param = gfalc_try_set_dyn_param;
+
if (allctr->min_block_size != MIN_BLK_SZ)
return NULL;
@@ -584,6 +587,15 @@ info_options(Allctr_t *allctr,
return res;
}
+static int gfalc_try_set_dyn_param(Allctr_t* allctr, Eterm param, Uint value)
+{
+ if (param == am_sbct) {
+ /* Cannot change 'sbct' without rearranging buckets */
+ return 0;
+ }
+ return erts_alcu_try_set_dyn_param(allctr, param, value);
+}
+
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
* NOTE: erts_gfalc_test() is only supposed to be used for testing. *
* *
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 4846ccd2d3..e8048cfdfc 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -1746,6 +1746,7 @@ erl_start(int argc, char **argv)
}
else if (has_prefix("ecio", sub_param)) {
/* ignore argument, eager check io no longer used */
+ arg = get_arg(sub_param+4, argv[i+1], &i);
}
else if (has_prefix("pp", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
diff --git a/erts/emulator/beam/erl_io_queue.c b/erts/emulator/beam/erl_io_queue.c
index c93b5248d9..d779d1031a 100644
--- a/erts/emulator/beam/erl_io_queue.c
+++ b/erts/emulator/beam/erl_io_queue.c
@@ -801,12 +801,11 @@ static Eterm iol2v_make_sub_bin(iol2v_state_t *state, Eterm bin_term,
ERTS_GET_REAL_BIN(bin_term, orig_pb_term,
byte_offset, bit_offset, bit_size);
- (void)bit_offset;
- (void)bit_size;
+ ASSERT(bit_size == 0);
sb->thing_word = HEADER_SUB_BIN;
+ sb->bitoffs = bit_offset;
sb->bitsize = 0;
- sb->bitoffs = 0;
sb->orig = orig_pb_term;
sb->is_writable = 0;
@@ -975,7 +974,7 @@ static int iol2v_append_binary(iol2v_state_t *state, Eterm bin_term) {
parent_header = binary_val(parent_binary);
binary_size = binary_size(bin_term);
- if (bit_offset != 0 || bit_size != 0) {
+ if (bit_size != 0) {
return 0;
} else if (binary_size == 0) {
state->bytereds_spent += 1;
@@ -1017,8 +1016,16 @@ static int iol2v_append_binary(iol2v_state_t *state, Eterm bin_term) {
* then just copy it into the accumulator. */
iol2v_expand_acc(state, binary_size);
- sys_memcpy(&(state->acc)->orig_bytes[state->acc_size],
- binary_data, binary_size);
+ if (ERTS_LIKELY(bit_offset == 0)) {
+ sys_memcpy(&(state->acc)->orig_bytes[state->acc_size],
+ binary_data, binary_size);
+ } else {
+ ASSERT(binary_size <= ERTS_UWORD_MAX / 8);
+
+ erts_copy_bits(binary_data, bit_offset, 1,
+ (byte*)&(state->acc)->orig_bytes[state->acc_size], 0, 1,
+ binary_size * 8);
+ }
state->acc_size += binary_size;
} else {
@@ -1029,8 +1036,16 @@ static int iol2v_append_binary(iol2v_state_t *state, Eterm bin_term) {
iol2v_expand_acc(state, spill);
- sys_memcpy(&(state->acc)->orig_bytes[state->acc_size],
- binary_data, spill);
+ if (ERTS_LIKELY(bit_offset == 0)) {
+ sys_memcpy(&(state->acc)->orig_bytes[state->acc_size],
+ binary_data, spill);
+ } else {
+ ASSERT(binary_size <= ERTS_UWORD_MAX / 8);
+
+ erts_copy_bits(binary_data, bit_offset, 1,
+ (byte*)&(state->acc)->orig_bytes[state->acc_size], 0, 1,
+ spill * 8);
+ }
state->acc_size += spill;
@@ -1179,7 +1194,10 @@ BIF_RETTYPE iolist_to_iovec_1(BIF_ALIST_1) {
if (is_nil(BIF_ARG_1)) {
BIF_RET(NIL);
} else if (is_binary(BIF_ARG_1)) {
- if (binary_size(BIF_ARG_1) != 0) {
+ if (binary_bitsize(BIF_ARG_1) != 0) {
+ ASSERT(!(BIF_P->flags & F_DISABLE_GC));
+ BIF_ERROR(BIF_P, BADARG);
+ } else if (binary_size(BIF_ARG_1) != 0) {
Eterm *hp = HAlloc(BIF_P, 2);
BIF_RET(CONS(hp, BIF_ARG_1, NIL));
diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c
index abf194cf94..6f7c71ef98 100644
--- a/erts/emulator/beam/erl_message.c
+++ b/erts/emulator/beam/erl_message.c
@@ -616,7 +616,7 @@ erts_try_alloc_message_on_heap(Process *pp,
}
else {
in_message_fragment:
- if (!((*psp) & ERTS_PSFLG_ON_HEAP_MSGQ)) {
+ if ((*psp) & ERTS_PSFLG_OFF_HEAP_MSGQ) {
mp = erts_alloc_message(sz, hpp);
*ohpp = sz == 0 ? NULL : &mp->hfrag.off_heap;
}
@@ -1079,8 +1079,6 @@ erts_change_message_queue_management(Process *c_p, Eterm new_state)
case am_on_heap:
c_p->flags |= F_ON_HEAP_MSGQ;
c_p->flags &= ~F_OFF_HEAP_MSGQ;
- erts_atomic32_read_bor_nob(&c_p->state,
- ERTS_PSFLG_ON_HEAP_MSGQ);
/*
* We are not allowed to clear ERTS_PSFLG_OFF_HEAP_MSGQ
* if a off heap change is ongoing. It will be adjusted
@@ -1106,8 +1104,6 @@ erts_change_message_queue_management(Process *c_p, Eterm new_state)
break;
case am_off_heap:
c_p->flags &= ~F_ON_HEAP_MSGQ;
- erts_atomic32_read_band_nob(&c_p->state,
- ~ERTS_PSFLG_ON_HEAP_MSGQ);
goto change_to_off_heap;
default:
res = THE_NON_VALUE; /* badarg */
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 94ebf88b56..d2000aa71e 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -237,9 +237,11 @@ static void cache_env(ErlNifEnv* env);
static void full_flush_env(ErlNifEnv *env);
static void flush_env(ErlNifEnv* env);
-/* Temporary object header, auto-deallocated when NIF returns
- * or when independent environment is cleared.
- */
+/* Temporary object header, auto-deallocated when NIF returns or when
+ * independent environment is cleared.
+ *
+ * The payload can be accessed with &tmp_obj_ptr[1] but keep in mind that its
+ * first element must not require greater alignment than `next`. */
struct enif_tmp_obj_t {
struct enif_tmp_obj_t* next;
void (*dtor)(struct enif_tmp_obj_t*);
@@ -256,6 +258,46 @@ static ERTS_INLINE void free_tmp_objs(ErlNifEnv* env)
}
}
+/* Whether the given environment is bound to a process and will be cleaned up
+ * when the NIF returns. It's safe to use temp_alloc for objects in
+ * env->tmp_obj_list when this is true. */
+static ERTS_INLINE int is_proc_bound(ErlNifEnv *env)
+{
+ return env->mod_nif != NULL;
+}
+
+/* Allocates and attaches an object to the given environment, running its
+ * destructor when the environment is cleared. To avoid temporary variables the
+ * address of the allocated object is returned instead of the enif_tmp_obj_t.
+ *
+ * The destructor *must* call `erts_free(tmp_obj->allocator, tmp_obj)` to free
+ * the object. If the destructor needs to refer to the allocated object its
+ * address will be &tmp_obj[1]. */
+static ERTS_INLINE void *alloc_tmp_obj(ErlNifEnv *env, size_t size,
+ void (*dtor)(struct enif_tmp_obj_t*)) {
+ struct enif_tmp_obj_t *tmp_obj;
+ ErtsAlcType_t allocator;
+
+ allocator = is_proc_bound(env) ? ERTS_ALC_T_TMP : ERTS_ALC_T_NIF;
+
+ tmp_obj = erts_alloc(allocator, sizeof(struct enif_tmp_obj_t) + MAX(1, size));
+
+ tmp_obj->next = env->tmp_obj_list;
+ tmp_obj->allocator = allocator;
+ tmp_obj->dtor = dtor;
+
+ env->tmp_obj_list = tmp_obj;
+
+ return (void*)&tmp_obj[1];
+}
+
+/* Generic destructor for objects allocated through alloc_tmp_obj that don't
+ * care about their payload. */
+static void tmp_alloc_dtor(struct enif_tmp_obj_t *tmp_obj)
+{
+ erts_free(tmp_obj->allocator, tmp_obj);
+}
+
void erts_post_nif(ErlNifEnv* env)
{
erts_unblock_fpe(env->fpe_was_unmasked);
@@ -446,6 +488,7 @@ static void cache_env(ErlNifEnv* env)
env->hp_end = env->heap_frag->mem + env->heap_frag->alloc_size;
}
}
+
void* enif_priv_data(ErlNifEnv* env)
{
return env->mod_nif->priv_data;
@@ -1019,11 +1062,6 @@ int enif_is_number(ErlNifEnv* env, ERL_NIF_TERM term)
return is_number(term);
}
-static ERTS_INLINE int is_proc_bound(ErlNifEnv* env)
-{
- return env->mod_nif != NULL;
-}
-
static void aligned_binary_dtor(struct enif_tmp_obj_t* obj)
{
erts_free_aligned_binary_bytes_extra((byte*)obj, obj->allocator);
@@ -1058,22 +1096,14 @@ int enif_inspect_binary(ErlNifEnv* env, Eterm bin_term, ErlNifBinary* bin)
u.tmp->dtor = &aligned_binary_dtor;
env->tmp_obj_list = u.tmp;
}
- bin->bin_term = bin_term;
bin->size = binary_size(bin_term);
bin->ref_bin = NULL;
ADD_READONLY_CHECK(env, bin->data, bin->size);
return 1;
}
-static void tmp_alloc_dtor(struct enif_tmp_obj_t* obj)
-{
- erts_free(obj->allocator, obj);
-}
-
int enif_inspect_iolist_as_binary(ErlNifEnv* env, Eterm term, ErlNifBinary* bin)
{
- struct enif_tmp_obj_t* tobj;
- ErtsAlcType_t allocator;
ErlDrvSizeT sz;
if (is_binary(term)) {
return enif_inspect_binary(env,term,bin);
@@ -1081,7 +1111,6 @@ int enif_inspect_iolist_as_binary(ErlNifEnv* env, Eterm term, ErlNifBinary* bin)
if (is_nil(term)) {
bin->data = (unsigned char*) &bin->data; /* dummy non-NULL */
bin->size = 0;
- bin->bin_term = THE_NON_VALUE;
bin->ref_bin = NULL;
return 1;
}
@@ -1089,16 +1118,8 @@ int enif_inspect_iolist_as_binary(ErlNifEnv* env, Eterm term, ErlNifBinary* bin)
return 0;
}
- allocator = is_proc_bound(env) ? ERTS_ALC_T_TMP : ERTS_ALC_T_NIF;
- tobj = erts_alloc(allocator, sz + sizeof(struct enif_tmp_obj_t));
- tobj->allocator = allocator;
- tobj->next = env->tmp_obj_list;
- tobj->dtor = &tmp_alloc_dtor;
- env->tmp_obj_list = tobj;
-
- bin->data = (unsigned char*) &tobj[1];
+ bin->data = alloc_tmp_obj(env, sz, &tmp_alloc_dtor);
bin->size = sz;
- bin->bin_term = THE_NON_VALUE;
bin->ref_bin = NULL;
erts_iolist_to_buf(term, (char*) bin->data, sz);
ADD_READONLY_CHECK(env, bin->data, bin->size);
@@ -1116,7 +1137,6 @@ int enif_alloc_binary(size_t size, ErlNifBinary* bin)
bin->size = size;
bin->data = (unsigned char*) refbin->orig_bytes;
- bin->bin_term = THE_NON_VALUE;
bin->ref_bin = refbin;
return 1;
}
@@ -1150,12 +1170,10 @@ void enif_release_binary(ErlNifBinary* bin)
{
if (bin->ref_bin != NULL) {
Binary* refbin = bin->ref_bin;
- ASSERT(bin->bin_term == THE_NON_VALUE);
erts_bin_release(refbin);
}
#ifdef DEBUG
bin->data = NULL;
- bin->bin_term = THE_NON_VALUE;
bin->ref_bin = NULL;
#endif
}
@@ -1312,29 +1330,51 @@ int enif_get_string(ErlNifEnv *env, ERL_NIF_TERM list, char* buf, unsigned len,
Eterm enif_make_binary(ErlNifEnv* env, ErlNifBinary* bin)
{
- if (bin->bin_term != THE_NON_VALUE) {
- return bin->bin_term;
- }
- else if (bin->ref_bin != NULL) {
- Binary* bptr = bin->ref_bin;
- Eterm bin_term;
-
- bin_term = erts_build_proc_bin(&MSO(env->proc),
- alloc_heap(env, PROC_BIN_SIZE),
- bptr);
- if (erts_refc_read(&bptr->intern.refc, 1) == 1) {
- /* Total ownership transfer */
- bin->ref_bin = NULL;
- bin->bin_term = bin_term;
- }
- return bin_term;
- }
- else {
- flush_env(env);
- bin->bin_term = new_binary(env->proc, bin->data, bin->size);
- cache_env(env);
- return bin->bin_term;
+ Eterm bin_term;
+
+ if (bin->ref_bin != NULL) {
+ Binary* binary = bin->ref_bin;
+
+ /* If the binary is smaller than the heap binary limit we'll return a
+ * heap binary to reduce the number of small refc binaries in the
+ * system. We can't simply release the refc binary right away however;
+ * the documentation states that the binary should be considered
+ * read-only from this point on, which implies that it should still be
+ * readable.
+ *
+ * We could keep it alive until we return by adding it to the temporary
+ * object list, but that requires an off-heap allocation which is
+ * potentially quite slow, so we create a dummy ProcBin instead and
+ * rely on the next minor GC to get rid of it. */
+ if (bin->size <= ERL_ONHEAP_BIN_LIMIT) {
+ ErlHeapBin* hb;
+
+ hb = (ErlHeapBin*)alloc_heap(env, heap_bin_size(bin->size));
+ hb->thing_word = header_heap_bin(bin->size);
+ hb->size = bin->size;
+
+ sys_memcpy(hb->data, bin->data, bin->size);
+
+ erts_build_proc_bin(&MSO(env->proc),
+ alloc_heap(env, PROC_BIN_SIZE),
+ binary);
+
+ bin_term = make_binary(hb);
+ } else {
+ bin_term = erts_build_proc_bin(&MSO(env->proc),
+ alloc_heap(env, PROC_BIN_SIZE),
+ binary);
+ }
+
+ /* Our (possibly shared) ownership has been transferred to the term. */
+ bin->ref_bin = NULL;
+ } else {
+ flush_env(env);
+ bin_term = new_binary(env->proc, bin->data, bin->size);
+ cache_env(env);
}
+
+ return bin_term;
}
Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term,
@@ -3284,8 +3324,8 @@ typedef struct {
Eterm sublist_start;
Eterm sublist_end;
- UWord offheap_size;
- UWord onheap_size;
+ UWord referenced_size;
+ UWord copied_size;
UWord iovec_len;
} iovec_slice_t;
@@ -3295,16 +3335,16 @@ static int examine_iovec_term(Eterm list, UWord max_length, iovec_slice_t *resul
result->sublist_start = list;
result->sublist_length = 0;
- result->offheap_size = 0;
- result->onheap_size = 0;
+ result->referenced_size = 0;
+ result->copied_size = 0;
result->iovec_len = 0;
lookahead = result->sublist_start;
while (is_list(lookahead)) {
- Eterm *binary_header, binary;
+ UWord byte_size;
+ Eterm binary;
Eterm *cell;
- UWord size;
cell = list_val(lookahead);
binary = CAR(cell);
@@ -3313,35 +3353,36 @@ static int examine_iovec_term(Eterm list, UWord max_length, iovec_slice_t *resul
return 0;
}
- size = binary_size(binary);
- binary_header = binary_val(binary);
+ byte_size = binary_size(binary);
+
+ if (byte_size > 0) {
+ int bit_offset, bit_size;
+ Eterm parent_binary;
+ UWord byte_offset;
- if (size > 0) {
- /* If we're a sub-binary we'll need to check our underlying binary
- * to determine whether we're on-heap or not. */
- if (thing_subtag(*binary_header) == SUB_BINARY_SUBTAG) {
- ErlSubBin *sb = (ErlSubBin*)binary_header;
+ int requires_copying;
- /* Reject bitstrings */
- if((sb->bitoffs + sb->bitsize) > 0) {
- return 0;
- }
+ ERTS_GET_REAL_BIN(binary, parent_binary, byte_offset,
+ bit_offset, bit_size);
- ASSERT(size <= binary_size(sb->orig));
- binary_header = binary_val(sb->orig);
+ (void)byte_offset;
+
+ if (bit_size != 0) {
+ return 0;
}
- if (thing_subtag(*binary_header) == HEAP_BINARY_SUBTAG) {
- ASSERT(size <= ERL_ONHEAP_BIN_LIMIT);
+ /* If we're unaligned or an on-heap binary we'll need to copy
+ * ourselves over to a temporary buffer. */
+ requires_copying = (bit_offset != 0) ||
+ thing_subtag(*binary_val(parent_binary)) == HEAP_BINARY_SUBTAG;
- result->iovec_len += 1;
- result->onheap_size += size;
+ if (requires_copying) {
+ result->copied_size += byte_size;
} else {
- ASSERT(thing_subtag(*binary_header) == REFC_BINARY_SUBTAG);
-
- result->iovec_len += 1 + size / MAX_SYSIOVEC_IOVLEN;
- result->offheap_size += size;
+ result->referenced_size += byte_size;
}
+
+ result->iovec_len += 1 + byte_size / MAX_SYSIOVEC_IOVLEN;
}
result->sublist_length += 1;
@@ -3361,7 +3402,9 @@ static int examine_iovec_term(Eterm list, UWord max_length, iovec_slice_t *resul
return 1;
}
-static void inspect_raw_binary_data(Eterm binary, ErlNifBinary *result) {
+static void marshal_iovec_binary(Eterm binary, ErlNifBinary *copy_buffer,
+ UWord *copy_offset, ErlNifBinary *result) {
+
Eterm *parent_header;
Eterm parent_binary;
@@ -3372,10 +3415,11 @@ static void inspect_raw_binary_data(Eterm binary, ErlNifBinary *result) {
ERTS_GET_REAL_BIN(binary, parent_binary, byte_offset, bit_offset, bit_size);
+ ASSERT(bit_size == 0);
+
parent_header = binary_val(parent_binary);
result->size = binary_size(binary);
- result->bin_term = binary;
if (thing_subtag(*parent_header) == REFC_BINARY_SUBTAG) {
ProcBin *pb = (ProcBin*)parent_header;
@@ -3398,24 +3442,48 @@ static void inspect_raw_binary_data(Eterm binary, ErlNifBinary *result) {
result->data = &((unsigned char*)&hb->data)[byte_offset];
result->ref_bin = NULL;
}
+
+ /* If this isn't an *aligned* refc binary, copy its contents to the buffer
+ * and reference that instead. */
+
+ if (result->ref_bin == NULL || bit_offset != 0) {
+ ASSERT(copy_buffer->ref_bin != NULL && copy_buffer->data != NULL);
+ ASSERT(result->size <= (copy_buffer->size - *copy_offset));
+
+ if (bit_offset == 0) {
+ sys_memcpy(&copy_buffer->data[*copy_offset],
+ result->data, result->size);
+ } else {
+ erts_copy_bits(result->data, bit_offset, 1,
+ (byte*)&copy_buffer->data[*copy_offset], 0, 1,
+ result->size * 8);
+ }
+
+ result->data = &copy_buffer->data[*copy_offset];
+ result->ref_bin = copy_buffer->ref_bin;
+
+ *copy_offset += result->size;
+ }
}
static int fill_iovec_with_slice(ErlNifEnv *env,
iovec_slice_t *slice,
ErlNifIOVec *iovec) {
- UWord onheap_offset, iovec_idx;
- ErlNifBinary onheap_data;
+ ErlNifBinary copy_buffer = {0};
+ UWord copy_offset, iovec_idx;
Eterm sublist_iterator;
- /* Set up a common refc binary for all on-heap binaries. */
- if (slice->onheap_size > 0) {
- if (!enif_alloc_binary(slice->onheap_size, &onheap_data)) {
+ /* Set up a common refc binary for all on-heap and unaligned binaries. */
+ if (slice->copied_size > 0) {
+ if (!enif_alloc_binary(slice->copied_size, &copy_buffer)) {
return 0;
}
+
+ ASSERT(copy_buffer.ref_bin != NULL);
}
sublist_iterator = slice->sublist_start;
- onheap_offset = 0;
+ copy_offset = 0;
iovec_idx = 0;
while (sublist_iterator != slice->sublist_end) {
@@ -3423,20 +3491,7 @@ static int fill_iovec_with_slice(ErlNifEnv *env,
Eterm *cell;
cell = list_val(sublist_iterator);
- inspect_raw_binary_data(CAR(cell), &raw_data);
-
- /* If this isn't a refc binary, copy its contents to the onheap buffer
- * and reference that instead. */
- if (raw_data.size > 0 && raw_data.ref_bin == NULL) {
- ASSERT(onheap_offset < onheap_data.size);
- ASSERT(slice->onheap_size > 0);
-
- sys_memcpy(&onheap_data.data[onheap_offset],
- raw_data.data, raw_data.size);
-
- raw_data.data = &onheap_data.data[onheap_offset];
- raw_data.ref_bin = onheap_data.ref_bin;
- }
+ marshal_iovec_binary(CAR(cell), &copy_buffer, &copy_offset, &raw_data);
while (raw_data.size > 0) {
UWord chunk_len = MIN(raw_data.size, MAX_SYSIOVEC_IOVLEN);
@@ -3467,16 +3522,18 @@ static int fill_iovec_with_slice(ErlNifEnv *env,
erts_refc_inc(&refc_binary->intern.refc, 1);
}
- if (slice->onheap_size > 0) {
+ if (slice->copied_size > 0) {
/* Transfer ownership to the iovec; we've taken references to it in
* the above loop. */
- enif_release_binary(&onheap_data);
+ enif_release_binary(&copy_buffer);
}
} else {
- if (slice->onheap_size > 0) {
- /* Attach the binary to our environment and let the GC take care of
- * it after returning. */
- enif_make_binary(env, &onheap_data);
+ if (slice->copied_size > 0) {
+ /* Attach the binary to our environment and let the next minor GC
+ * get rid of it. This is slightly faster than using the tmp object
+ * list since it avoids off-heap allocations. */
+ erts_build_proc_bin(&MSO(env->proc),
+ alloc_heap(env, PROC_BIN_SIZE), copy_buffer.ref_bin);
}
}
@@ -3502,19 +3559,14 @@ static int create_iovec_from_slice(ErlNifEnv *env,
alloc_size = binv_offset;
alloc_size += slice->iovec_len * sizeof(Binary*);
- /* If we have an environment we'll attach the allocated data to it. The
- * GC will take care of releasing it later on. */
+ /* When the user passes an environment, we attach the iovec to it so
+ * the user won't have to bother managing it (similar to
+ * enif_inspect_binary). It'll disappear once the environment is
+ * cleaned up. */
if (env != NULL) {
- ErlNifBinary gc_bin;
-
- if (!enif_alloc_binary(alloc_size, &gc_bin)) {
- return 0;
- }
-
- alloc_base = (char*)gc_bin.data;
- enif_make_binary(env, &gc_bin);
+ alloc_base = alloc_tmp_obj(env, alloc_size, &tmp_alloc_dtor);
} else {
- alloc_base = enif_alloc(alloc_size);
+ alloc_base = erts_alloc(ERTS_ALC_T_NIF, alloc_size);
}
iovec = (ErlNifIOVec*)alloc_base;
@@ -3523,12 +3575,12 @@ static int create_iovec_from_slice(ErlNifEnv *env,
iovec->flags = 0;
}
- iovec->size = slice->offheap_size + slice->onheap_size;
+ iovec->size = slice->referenced_size + slice->copied_size;
iovec->iovcnt = slice->iovec_len;
if(!fill_iovec_with_slice(env, slice, iovec)) {
if (env == NULL && !(iovec->flags & ERL_NIF_IOVEC_FLAGS_PREALLOC)) {
- enif_free(iovec);
+ erts_free(ERTS_ALC_T_NIF, iovec);
}
return 0;
@@ -4218,34 +4270,31 @@ static unsigned calc_checksum(unsigned char* ptr, unsigned size);
struct readonly_check_t
{
- struct enif_tmp_obj_t hdr;
unsigned char* ptr;
unsigned size;
unsigned checksum;
};
static void add_readonly_check(ErlNifEnv* env, unsigned char* ptr, unsigned sz)
{
- ErtsAlcType_t allocator = is_proc_bound(env) ? ERTS_ALC_T_TMP : ERTS_ALC_T_NIF;
- struct readonly_check_t* obj = erts_alloc(allocator,
- sizeof(struct readonly_check_t));
- obj->hdr.allocator = allocator;
- obj->hdr.next = env->tmp_obj_list;
- env->tmp_obj_list = &obj->hdr;
- obj->hdr.dtor = &readonly_check_dtor;
+ struct readonly_check_t* obj;
+
+ obj = alloc_tmp_obj(env, sizeof(struct readonly_check_t),
+ &readonly_check_dtor);
+
obj->ptr = ptr;
obj->size = sz;
- obj->checksum = calc_checksum(ptr, sz);
+ obj->checksum = calc_checksum(ptr, sz);
}
-static void readonly_check_dtor(struct enif_tmp_obj_t* o)
+static void readonly_check_dtor(struct enif_tmp_obj_t* tmp_obj)
{
- struct readonly_check_t* obj = (struct readonly_check_t*) o;
- unsigned chksum = calc_checksum(obj->ptr, obj->size);
- if (chksum != obj->checksum) {
+ struct readonly_check_t* ro_check = (struct readonly_check_t*)&tmp_obj[1];
+ unsigned chksum = calc_checksum(ro_check->ptr, ro_check->size);
+ if (chksum != ro_check->checksum) {
fprintf(stderr, "\r\nReadonly data written by NIF, checksums differ"
- " %x != %x\r\nABORTING\r\n", chksum, obj->checksum);
+ " %x != %x\r\nABORTING\r\n", chksum, ro_check->checksum);
abort();
}
- erts_free(obj->hdr.allocator, obj);
+ erts_free(tmp_obj->allocator, tmp_obj);
}
static unsigned calc_checksum(unsigned char* ptr, unsigned size)
{
diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index 053f7673c4..a99b4db705 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -137,8 +137,9 @@ typedef struct
unsigned char* data;
/* Internals (avert your eyes) */
- ERL_NIF_TERM bin_term;
void* ref_bin;
+ /* for future additions to be ABI compatible (same struct size) */
+ void* __spare__[2];
}ErlNifBinary;
#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_))
diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h
index 9117eb1f72..0d148ee048 100644
--- a/erts/emulator/beam/erl_port.h
+++ b/erts/emulator/beam/erl_port.h
@@ -180,6 +180,7 @@ void erts_init_port_data(Port *);
void erts_cleanup_port_data(Port *);
Uint erts_port_data_size(Port *);
ErlOffHeap *erts_port_data_offheap(Port *);
+Eterm erts_port_data_read(Port* prt);
#define ERTS_PORT_GET_CONNECTED(PRT) \
((Eterm) erts_atomic_read_nob(&(PRT)->connected))
@@ -195,26 +196,52 @@ struct erl_drv_port_data_lock {
Port *prt;
};
+ERTS_GLB_INLINE void erts_init_runq_port(Port *prt, ErtsRunQueue *runq);
+ERTS_GLB_INLINE void erts_set_runq_port(Port *prt, ErtsRunQueue *runq);
+ERTS_GLB_INLINE ErtsRunQueue *erts_get_runq_port(Port *prt);
ERTS_GLB_INLINE ErtsRunQueue *erts_port_runq(Port *prt);
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
+ERTS_GLB_INLINE void
+erts_init_runq_port(Port *prt, ErtsRunQueue *runq)
+{
+ if (!runq)
+ ERTS_INTERNAL_ERROR("Missing run-queue");
+ erts_atomic_init_nob(&prt->run_queue, (erts_aint_t) runq);
+}
+
+ERTS_GLB_INLINE void
+erts_set_runq_port(Port *prt, ErtsRunQueue *runq)
+{
+ if (!runq)
+ ERTS_INTERNAL_ERROR("Missing run-queue");
+ erts_atomic_set_nob(&prt->run_queue, (erts_aint_t) runq);
+}
+
+ERTS_GLB_INLINE ErtsRunQueue *
+erts_get_runq_port(Port *prt)
+{
+ ErtsRunQueue *runq;
+ runq = (ErtsRunQueue *) erts_atomic_read_nob(&prt->run_queue);
+ if (!runq)
+ ERTS_INTERNAL_ERROR("Missing run-queue");
+ return runq;
+}
+
+
ERTS_GLB_INLINE ErtsRunQueue *
erts_port_runq(Port *prt)
{
ErtsRunQueue *rq1, *rq2;
- rq1 = (ErtsRunQueue *) erts_atomic_read_nob(&prt->run_queue);
- if (!rq1)
- return NULL;
+ rq1 = erts_get_runq_port(prt);
while (1) {
erts_runq_lock(rq1);
- rq2 = (ErtsRunQueue *) erts_atomic_read_nob(&prt->run_queue);
+ rq2 = erts_get_runq_port(prt);
if (rq1 == rq2)
return rq1;
erts_runq_unlock(rq1);
rq1 = rq2;
- if (!rq1)
- return NULL;
}
}
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index a588477320..4a3671df0c 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -84,11 +84,10 @@ static void chk_task_queues(Port *pp, ErtsPortTask *execq, int processing_busy_q
#define LTTNG_DRIVER(TRACEPOINT, PP) do {} while(0)
#endif
-#define ERTS_LC_VERIFY_RQ(RQ, PP) \
- do { \
+#define ERTS_LC_VERIFY_RQ(RQ, PP) \
+ do { \
ERTS_LC_ASSERT(erts_lc_runq_is_locked(runq)); \
- ERTS_LC_ASSERT((RQ) == ((ErtsRunQueue *) \
- erts_atomic_read_nob(&(PP)->run_queue))); \
+ ERTS_LC_ASSERT((RQ) == erts_get_runq_port((PP))); \
} while (0)
#define ERTS_PT_STATE_SCHEDULED 0
@@ -1520,19 +1519,15 @@ erts_port_task_schedule(Eterm id,
/* Enqueue port on run-queue */
runq = erts_port_runq(pp);
- if (!runq)
- ERTS_INTERNAL_ERROR("Missing run-queue");
xrunq = erts_check_emigration_need(runq, ERTS_PORT_PRIO_LEVEL);
ERTS_LC_ASSERT(runq != xrunq);
ERTS_LC_VERIFY_RQ(runq, pp);
if (xrunq) {
/* Emigrate port ... */
- erts_atomic_set_nob(&pp->run_queue, (erts_aint_t) xrunq);
+ erts_set_runq_port(pp, xrunq);
erts_runq_unlock(runq);
runq = erts_port_runq(pp);
- if (!runq)
- ERTS_INTERNAL_ERROR("Missing run-queue");
}
enqueue_port(runq, pp);
@@ -1593,8 +1588,6 @@ erts_port_task_free_port(Port *pp)
ASSERT(!(erts_atomic32_read_nob(&pp->state) & ERTS_PORT_SFLGS_DEAD));
runq = erts_port_runq(pp);
- if (!runq)
- ERTS_INTERNAL_ERROR("Missing run-queue");
erts_port_task_sched_lock(&pp->sched);
flags = erts_atomic32_read_bor_relb(&pp->sched.flags,
ERTS_PTS_FLG_EXIT);
@@ -1805,7 +1798,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
erts_unblock_fpe(fpe_was_unmasked);
ERTS_MSACC_POP_STATE_M();
- ASSERT(runq == (ErtsRunQueue *) erts_atomic_read_nob(&pp->run_queue));
+ ASSERT(runq == erts_get_runq_port(pp));
active = finalize_exec(pp, &execq, processing_busy_q);
@@ -1831,11 +1824,10 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
}
else {
/* Emigrate port... */
- erts_atomic_set_nob(&pp->run_queue, (erts_aint_t) xrunq);
+ erts_set_runq_port(pp, xrunq);
erts_runq_unlock(runq);
xrunq = erts_port_runq(pp);
- ASSERT(xrunq);
enqueue_port(xrunq, pp);
erts_runq_unlock(xrunq);
erts_notify_inc_runq(xrunq);
@@ -2069,7 +2061,7 @@ void
erts_enqueue_port(ErtsRunQueue *rq, Port *pp)
{
ERTS_LC_ASSERT(erts_lc_runq_is_locked(rq));
- ASSERT(rq == (ErtsRunQueue *) erts_atomic_read_nob(&pp->run_queue));
+ ASSERT(rq == erts_get_runq_port(pp));
ASSERT(erts_atomic32_read_nob(&pp->sched.flags) & ERTS_PTS_FLG_IN_RUNQ);
enqueue_port(rq, pp);
}
@@ -2080,8 +2072,7 @@ erts_dequeue_port(ErtsRunQueue *rq)
Port *pp;
ERTS_LC_ASSERT(erts_lc_runq_is_locked(rq));
pp = pop_port(rq);
- ASSERT(!pp
- || rq == (ErtsRunQueue *) erts_atomic_read_nob(&pp->run_queue));
+ ASSERT(!pp || rq == erts_get_runq_port(pp));
ASSERT(!pp || (erts_atomic32_read_nob(&pp->sched.flags)
& ERTS_PTS_FLG_IN_RUNQ));
return pp;
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index a807d60ec7..23fe353495 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -137,36 +137,6 @@ runq_got_work_to_execute(ErtsRunQueue *rq)
return runq_got_work_to_execute_flags(ERTS_RUNQ_FLGS_GET_NOB(rq));
}
-#undef RUNQ_READ_RQ
-#undef RUNQ_SET_RQ
-#define RUNQ_READ_RQ(X) ((ErtsRunQueue *) erts_atomic_read_nob((X)))
-#define RUNQ_SET_RQ(X, RQ) erts_atomic_set_nob((X), (erts_aint_t) (RQ))
-
-#ifdef DEBUG
-# if defined(ARCH_64)
-# define ERTS_DBG_SET_INVALID_RUNQP(RQP, N) \
- (RUNQ_SET_RQ((RQP), (0xdeadbeefdead0003LL | ((N) << 4)))
-# define ERTS_DBG_VERIFY_VALID_RUNQP(RQP) \
-do { \
- ASSERT((RQP) != NULL); \
- ASSERT(((((Uint) (RQP)) & ((Uint) 0x3))) == ((Uint) 0)); \
- ASSERT((((Uint) (RQP)) & ~((Uint) 0xffff)) != ((Uint) 0xdeadbeefdead0000LL));\
-} while (0)
-# else
-# define ERTS_DBG_SET_INVALID_RUNQP(RQP, N) \
- (RUNQ_SET_RQ((RQP), (0xdead0003 | ((N) << 4))))
-# define ERTS_DBG_VERIFY_VALID_RUNQP(RQP) \
-do { \
- ASSERT((RQP) != NULL); \
- ASSERT(((((UWord) (RQP)) & ((UWord) 1))) == ((UWord) 0)); \
- ASSERT((((UWord) (RQP)) & ~((UWord) 0xffff)) != ((UWord) 0xdead0000)); \
-} while (0)
-# endif
-#else
-# define ERTS_DBG_SET_INVALID_RUNQP(RQP, N)
-# define ERTS_DBG_VERIFY_VALID_RUNQP(RQP)
-#endif
-
const Process erts_invalid_process = {{ERTS_INVALID_PID}};
extern BeamInstr beam_apply[];
@@ -1538,6 +1508,20 @@ erts_proclist_destroy(ErtsProcList *plp)
proclist_destroy(plp);
}
+void
+erts_proclist_dump(fmtfn_t to, void *to_arg, ErtsProcList *plp)
+{
+ ErtsProcList *first = plp;
+
+ while (plp) {
+ erts_print(to, to_arg, "%T", plp->pid);
+ plp = plp->next;
+ if (plp == first)
+ break;
+ }
+ erts_print(to, to_arg, "\n");
+}
+
void *
erts_psd_set_init(Process *p, int ix, void *data)
{
@@ -3926,21 +3910,16 @@ immigrate(ErtsRunQueue *c_rq, ErtsMigrationPath *mp)
Port *prt;
prt = erts_dequeue_port(rq);
if (prt)
- RUNQ_SET_RQ(&prt->run_queue, c_rq);
+ erts_set_runq_port(prt, c_rq);
erts_runq_unlock(rq);
if (prt) {
- /* port might terminate while we have no lock... */
rq = erts_port_runq(prt);
- if (rq) {
- if (rq != c_rq)
- erts_exit(ERTS_ABORT_EXIT,
- "%s:%d:%s(): Internal error",
- __FILE__, __LINE__, __func__);
- erts_enqueue_port(c_rq, prt);
- if (!iflag)
- return; /* done */
- erts_runq_unlock(c_rq);
- }
+ if (rq != c_rq)
+ ERTS_INTERNAL_ERROR("Unexpected run-queue");
+ erts_enqueue_port(c_rq, prt);
+ if (!iflag)
+ return; /* done */
+ erts_runq_unlock(c_rq);
}
}
else {
@@ -3954,12 +3933,11 @@ immigrate(ErtsRunQueue *c_rq, ErtsMigrationPath *mp)
while (proc) {
erts_aint32_t state;
state = erts_atomic32_read_acqb(&proc->state);
- if (!(ERTS_PSFLG_BOUND & state)
- && (prio == (int) ERTS_PSFLGS_GET_PRQ_PRIO(state))) {
+ if (prio == (int) ERTS_PSFLGS_GET_PRQ_PRIO(state)
+ && erts_try_change_runq_proc(proc, c_rq)) {
ErtsRunQueueInfo *rqi = &rq->procs.prio_info[prio];
unqueue_process(rq, rpq, rqi, prio, prev_proc, proc);
erts_runq_unlock(rq);
- RUNQ_SET_RQ(&proc->run_queue, c_rq);
rq_locked = 0;
erts_runq_lock(c_rq);
@@ -4140,21 +4118,13 @@ evacuate_run_queue(ErtsRunQueue *rq,
while (prt) {
ErtsRunQueue *prt_rq;
prt = erts_dequeue_port(rq);
- RUNQ_SET_RQ(&prt->run_queue, to_rq);
+ erts_set_runq_port(prt, to_rq);
erts_runq_unlock(rq);
- /*
- * The port might terminate while
- * we have no lock on it...
- */
prt_rq = erts_port_runq(prt);
- if (prt_rq) {
- if (prt_rq != to_rq)
- erts_exit(ERTS_ABORT_EXIT,
- "%s:%d:%s() internal error\n",
- __FILE__, __LINE__, __func__);
- erts_enqueue_port(to_rq, prt);
- erts_runq_unlock(to_rq);
- }
+ if (prt_rq != to_rq)
+ ERTS_INTERNAL_ERROR("Unexpected run-queue");
+ erts_enqueue_port(to_rq, prt);
+ erts_runq_unlock(to_rq);
erts_runq_lock(rq);
prt = rq->ports.start;
}
@@ -4165,8 +4135,6 @@ evacuate_run_queue(ErtsRunQueue *rq,
for (prio_q = 0; prio_q < ERTS_NO_PROC_PRIO_QUEUES; prio_q++) {
erts_aint32_t state;
Process *proc;
- int notify = 0;
- to_rq = NULL;
if (!mp->prio[prio_q].runq)
return;
@@ -4177,14 +4145,13 @@ evacuate_run_queue(ErtsRunQueue *rq,
while (proc) {
Process *real_proc;
int prio;
- erts_aint32_t max_qbit, qbit, real_state;
+ erts_aint32_t max_qbit, qbit;
prio = ERTS_PSFLGS_GET_PRQ_PRIO(state);
qbit = ((erts_aint32_t) 1) << prio;
if (!(state & ERTS_PSFLG_PROXY)) {
real_proc = proc;
- real_state = state;
}
else {
real_proc = erts_proc_lookup_raw(proc->common.id);
@@ -4192,7 +4159,6 @@ evacuate_run_queue(ErtsRunQueue *rq,
free_proxy_proc(proc);
goto handle_next_proc;
}
- real_state = erts_atomic32_read_acqb(&real_proc->state);
}
max_qbit = (state >> ERTS_PSFLGS_IN_PRQ_MASK_OFFSET);
@@ -4227,7 +4193,13 @@ evacuate_run_queue(ErtsRunQueue *rq,
goto handle_next_proc;
}
- if (ERTS_PSFLG_BOUND & real_state) {
+ prio = (int) ERTS_PSFLGS_GET_PRQ_PRIO(state);
+ to_rq = mp->prio[prio].runq;
+
+ if (!to_rq)
+ goto handle_next_proc;
+
+ if (!erts_try_change_runq_proc(proc, to_rq)) {
/* Bound processes get stuck here... */
proc->next = NULL;
if (sbpp->last)
@@ -4237,16 +4209,13 @@ evacuate_run_queue(ErtsRunQueue *rq,
sbpp->last = proc;
}
else {
- int prio = (int) ERTS_PSFLGS_GET_PRQ_PRIO(state);
erts_runq_unlock(rq);
- to_rq = mp->prio[prio].runq;
- RUNQ_SET_RQ(&proc->run_queue, to_rq);
-
erts_runq_lock(to_rq);
enqueue_process(to_rq, prio, proc);
erts_runq_unlock(to_rq);
- notify = 1;
+
+ smp_notify_inc_runq(to_rq);
erts_runq_lock(rq);
}
@@ -4254,8 +4223,7 @@ evacuate_run_queue(ErtsRunQueue *rq,
handle_next_proc:
proc = dequeue_process(rq, prio_q, &state);
}
- if (notify)
- smp_notify_inc_runq(to_rq);
+
}
}
@@ -4309,14 +4277,13 @@ try_steal_task_from_victim(ErtsRunQueue *rq, int *rq_lockedp, ErtsRunQueue *vrq,
proc = rpq->first;
while (proc) {
- erts_aint32_t state = erts_atomic32_read_acqb(&proc->state);
- if (!(ERTS_PSFLG_BOUND & state)) {
+ if (erts_try_change_runq_proc(proc, rq)) {
+ erts_aint32_t state = erts_atomic32_read_acqb(&proc->state);
/* Steal process */
int prio = (int) ERTS_PSFLGS_GET_PRQ_PRIO(state);
ErtsRunQueueInfo *rqi = &vrq->procs.prio_info[prio];
unqueue_process(vrq, rpq, rqi, prio, prev_proc, proc);
erts_runq_unlock(vrq);
- RUNQ_SET_RQ(&proc->run_queue, rq);
erts_runq_lock(rq);
*rq_lockedp = 1;
@@ -4341,26 +4308,14 @@ no_procs:
if (vrq->ports.start) {
ErtsRunQueue *prt_rq;
Port *prt = erts_dequeue_port(vrq);
- RUNQ_SET_RQ(&prt->run_queue, rq);
+ erts_set_runq_port(prt, rq);
erts_runq_unlock(vrq);
-
- /*
- * The port might terminate while
- * we have no lock on it...
- */
-
prt_rq = erts_port_runq(prt);
- if (!prt_rq)
- return 0;
- else {
- if (prt_rq != rq)
- erts_exit(ERTS_ABORT_EXIT,
- "%s:%d:%s() internal error\n",
- __FILE__, __LINE__, __func__);
- *rq_lockedp = 1;
- erts_enqueue_port(rq, prt);
- return !0;
- }
+ if (prt_rq != rq)
+ ERTS_INTERNAL_ERROR("Unexpected run-queue");
+ *rq_lockedp = 1;
+ erts_enqueue_port(rq, prt);
+ return !0;
}
erts_runq_unlock(vrq);
@@ -6116,7 +6071,8 @@ make_proxy_proc(Process *prev_proxy, Process *proc, erts_aint32_t prio)
{
erts_aint32_t state;
Process *proxy;
- ErtsRunQueue *rq = RUNQ_READ_RQ(&proc->run_queue);
+ int bound;
+ ErtsRunQueue *rq = erts_get_runq_proc(proc, &bound);
state = (ERTS_PSFLG_PROXY
| ERTS_PSFLG_IN_RUNQ
@@ -6129,7 +6085,7 @@ make_proxy_proc(Process *prev_proxy, Process *proc, erts_aint32_t prio)
proxy = prev_proxy;
ASSERT(erts_atomic32_read_nob(&proxy->state) & ERTS_PSFLG_PROXY);
erts_atomic32_set_nob(&proxy->state, state);
- RUNQ_SET_RQ(&proc->run_queue, rq);
+ (void) erts_set_runq_proc(proc, rq, &bound);
}
else {
proxy = erts_alloc(ERTS_ALC_T_PROC, sizeof(Process));
@@ -6142,8 +6098,7 @@ make_proxy_proc(Process *prev_proxy, Process *proc, erts_aint32_t prio)
}
#endif
erts_atomic32_init_nob(&proxy->state, state);
- erts_atomic_init_nob(&proxy->run_queue,
- erts_atomic_read_nob(&proc->run_queue));
+ erts_init_runq_proc(proc, rq, bound);
}
proxy->common.id = proc->common.id;
@@ -6334,18 +6289,21 @@ select_enqueue_run_queue(int enqueue, int enq_prio, Process *p, erts_aint32_t st
default: {
ErtsRunQueue* runq;
+ int bound;
ASSERT(enqueue == ERTS_ENQUEUE_NORMAL_QUEUE
|| enqueue == -ERTS_ENQUEUE_NORMAL_QUEUE);
- runq = erts_get_runq_proc(p);
+ runq = erts_get_runq_proc(p, &bound);
- if (!(ERTS_PSFLG_BOUND & state)) {
+ if (!bound) {
ErtsRunQueue *new_runq = erts_check_emigration_need(runq, enq_prio);
- if (new_runq) {
- RUNQ_SET_RQ(&p->run_queue, new_runq);
- runq = new_runq;
- }
+ if (new_runq) {
+ if (erts_try_change_runq_proc(p, new_runq))
+ runq = new_runq;
+ else
+ runq = erts_get_runq_proc(p, NULL);
+ }
}
ASSERT(runq);
@@ -11462,6 +11420,7 @@ typedef struct {
Process *proc;
erts_aint32_t state;
ErtsRunQueue *run_queue;
+ int bound;
} ErtsEarlyProcInit;
static void early_init_process_struct(void *varg, Eterm data)
@@ -11472,10 +11431,9 @@ static void early_init_process_struct(void *varg, Eterm data)
proc->common.id = make_internal_pid(data);
erts_atomic32_init_nob(&proc->dirty_state, 0);
proc->dirty_sys_tasks = NULL;
+ erts_init_runq_proc(proc, arg->run_queue, arg->bound);
erts_atomic32_init_relb(&proc->state, arg->state);
- RUNQ_SET_RQ(&proc->run_queue, arg->run_queue);
-
erts_proc_lock_init(proc); /* All locks locked */
}
@@ -11484,7 +11442,7 @@ static void early_init_process_struct(void *varg, Eterm data)
** Allocate process and find out where to place next process.
*/
static Process*
-alloc_process(ErtsRunQueue *rq, erts_aint32_t state)
+alloc_process(ErtsRunQueue *rq, int bound, erts_aint32_t state)
{
ErtsEarlyProcInit init_arg;
Process *p;
@@ -11493,9 +11451,12 @@ alloc_process(ErtsRunQueue *rq, erts_aint32_t state)
if (!p)
return NULL;
+ ASSERT(rq);
+
init_arg.proc = (Process *) p;
- init_arg.run_queue = rq;
init_arg.state = state;
+ init_arg.run_queue = rq;
+ init_arg.bound = bound;
ERTS_CT_ASSERT(offsetof(Process,common) == 0);
@@ -11530,6 +11491,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
Eterm args, /* Arguments for function (must be well-formed list). */
ErlSpawnOpts* so) /* Options for spawn. */
{
+ int bound = 0;
Uint flags = 0;
ErtsRunQueue *rq = NULL;
Process *p;
@@ -11566,7 +11528,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
ASSERT(0 <= ix && ix < erts_no_run_queues);
rq = ERTS_RUNQ_IX(ix);
/* Unsupported feature... */
- state |= ERTS_PSFLG_BOUND;
+ bound = !0;
}
prio = (erts_aint32_t) so->priority;
}
@@ -11579,17 +11541,16 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
flags |= F_OFF_HEAP_MSGQ;
}
else if (so->flags & SPO_ON_HEAP_MSGQ) {
- state |= ERTS_PSFLG_ON_HEAP_MSGQ;
flags |= F_ON_HEAP_MSGQ;
}
ASSERT((flags & F_ON_HEAP_MSGQ) || (flags & F_OFF_HEAP_MSGQ));
if (!rq)
- rq = erts_get_runq_proc(parent);
+ rq = erts_get_runq_proc(parent, NULL);
- p = alloc_process(rq, state); /* All proc locks are locked by this thread
- on success */
+ p = alloc_process(rq, bound, state); /* All proc locks are locked by this thread
+ on success */
if (!p) {
erts_send_error_to_logger_str(parent->group_leader,
"Too many processes\n");
@@ -11597,11 +11558,6 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
goto error;
}
- ASSERT((erts_atomic32_read_nob(&p->state)
- & ERTS_PSFLG_ON_HEAP_MSGQ)
- || (erts_atomic32_read_nob(&p->state)
- & ERTS_PSFLG_OFF_HEAP_MSGQ));
-
#ifdef SHCOPY_SPAWN
arg_size = copy_shared_calculate(args, &info);
#else
@@ -11976,7 +11932,7 @@ void erts_init_empty_process(Process *p)
p->pending_exit.bp = NULL;
erts_proc_lock_init(p);
erts_proc_unlock(p, ERTS_PROC_LOCKS_ALL);
- RUNQ_SET_RQ(&p->run_queue, ERTS_RUNQ_IX(0));
+ erts_init_runq_proc(p, ERTS_RUNQ_IX(0), 0);
#if !defined(NO_FPE_SIGNALS) || defined(HIPE)
p->fp_exception = 0;
@@ -12298,7 +12254,7 @@ save_pending_exiter(Process *p, ErtsProcList *plp)
ERTS_LC_ASSERT(ERTS_PROC_LOCK_STATUS & erts_proc_lc_my_proc_locks(p));
- rq = RUNQ_READ_RQ(&p->run_queue);
+ rq = erts_get_runq_proc(p, NULL);
ASSERT(rq && !ERTS_RUNQ_IX_IS_DIRTY(rq->ix));
if (!plp)
@@ -13398,16 +13354,33 @@ stack_element_dump(fmtfn_t to, void *to_arg, Eterm* sp, int yreg)
return yreg;
}
+static void print_current_process_info(fmtfn_t, void *to_arg, ErtsSchedulerData*);
+
/*
* Print scheduler information
*/
void
-erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) {
+erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp)
+{
int i;
erts_aint32_t flg;
- Process *p;
- erts_print(to, to_arg, "=scheduler:%u\n", esdp->no);
+ switch (esdp->type) {
+ case ERTS_SCHED_NORMAL:
+ erts_print(to, to_arg, "=scheduler:%u\n", esdp->no);
+ break;
+ case ERTS_SCHED_DIRTY_CPU:
+ erts_print(to, to_arg, "=dirty_cpu_scheduler:%u\n",
+ (esdp->dirty_no + erts_no_schedulers));
+ break;
+ case ERTS_SCHED_DIRTY_IO:
+ erts_print(to, to_arg, "=dirty_io_scheduler:%u\n",
+ (esdp->dirty_no + erts_no_schedulers + erts_no_dirty_cpu_schedulers));
+ break;
+ default:
+ erts_print(to, to_arg, "=unknown_scheduler_type:%u\n", esdp->type);
+ break;
+ }
flg = erts_atomic32_read_dirty(&esdp->ssi->flags);
erts_print(to, to_arg, "Scheduler Sleep Info Flags: ");
@@ -13453,10 +13426,24 @@ erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) {
}
erts_print(to, to_arg, "\n");
- erts_print(to, to_arg, "Current Port: ");
- if (esdp->current_port)
- erts_print(to, to_arg, "%T", esdp->current_port->common.id);
- erts_print(to, to_arg, "\n");
+ if (esdp->type == ERTS_SCHED_NORMAL) {
+ erts_print(to, to_arg, "Current Port: ");
+ if (esdp->current_port)
+ erts_print(to, to_arg, "%T", esdp->current_port->common.id);
+ erts_print(to, to_arg, "\n");
+
+ erts_print_run_queue_info(to, to_arg, esdp->run_queue);
+ }
+
+ /* This *MUST* to be the last information in scheduler block */
+ print_current_process_info(to, to_arg, esdp);
+}
+
+void erts_print_run_queue_info(fmtfn_t to, void *to_arg,
+ ErtsRunQueue *run_queue)
+{
+ erts_aint32_t flg;
+ int i;
for (i = 0; i < ERTS_NO_PROC_PRIO_LEVELS; i++) {
erts_print(to, to_arg, "Run Queue ");
@@ -13478,12 +13465,12 @@ erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) {
break;
}
erts_print(to, to_arg, "Length: %d\n",
- erts_atomic32_read_dirty(&esdp->run_queue->procs.prio_info[i].len));
+ erts_atomic32_read_dirty(&run_queue->procs.prio_info[i].len));
}
erts_print(to, to_arg, "Run Queue Port Length: %d\n",
- erts_atomic32_read_dirty(&esdp->run_queue->ports.info.len));
+ erts_atomic32_read_dirty(&run_queue->ports.info.len));
- flg = erts_atomic32_read_dirty(&esdp->run_queue->flags);
+ flg = erts_atomic32_read_dirty(&run_queue->flags);
erts_print(to, to_arg, "Run Queue Flags: ");
for (i = 0; i < ERTS_RUNQ_FLG_MAX && flg; i++) {
erts_aint32_t chk = (1 << i);
@@ -13550,9 +13537,15 @@ erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) {
}
}
erts_print(to, to_arg, "\n");
+}
+
+
+static void print_current_process_info(fmtfn_t to, void *to_arg,
+ ErtsSchedulerData* esdp)
+{
+ Process *p = esdp->current_process;
+ erts_aint32_t flg;
- /* This *MUST* to be the last information in scheduler block */
- p = esdp->current_process;
erts_print(to, to_arg, "Current Process: ");
if (esdp->current_process && !(ERTS_TRACE_FLAGS(p) & F_SENSITIVE)) {
flg = erts_atomic32_read_dirty(&p->state);
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 55c020d47b..8581c6a639 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -244,6 +244,9 @@ extern int erts_dio_sched_thread_suggested_stack_size;
(erts_aint32_t) (MSK), \
(erts_aint32_t) (FLGS)))
+#define ERTS_RUNQ_POINTER_MASK (~((erts_aint_t) 3))
+#define ERTS_RUNQ_BOUND_FLAG ((erts_aint_t) 1)
+
typedef enum {
ERTS_SCHDLR_SSPND_DONE_MSCHED_BLOCKED,
ERTS_SCHDLR_SSPND_DONE_NMSCHED_BLOCKED,
@@ -1168,14 +1171,14 @@ void erts_check_for_holes(Process* p);
#define ERTS_PSFLG_RUNNING ERTS_PSFLG_BIT(9)
#define ERTS_PSFLG_SUSPENDED ERTS_PSFLG_BIT(10)
#define ERTS_PSFLG_GC ERTS_PSFLG_BIT(11)
-#define ERTS_PSFLG_BOUND ERTS_PSFLG_BIT(12)
+/* #define ERTS_PSFLG_ ERTS_PSFLG_BIT(12) */
#define ERTS_PSFLG_TRAP_EXIT ERTS_PSFLG_BIT(13)
#define ERTS_PSFLG_ACTIVE_SYS ERTS_PSFLG_BIT(14)
#define ERTS_PSFLG_RUNNING_SYS ERTS_PSFLG_BIT(15)
#define ERTS_PSFLG_PROXY ERTS_PSFLG_BIT(16)
#define ERTS_PSFLG_DELAYED_SYS ERTS_PSFLG_BIT(17)
#define ERTS_PSFLG_OFF_HEAP_MSGQ ERTS_PSFLG_BIT(18)
-#define ERTS_PSFLG_ON_HEAP_MSGQ ERTS_PSFLG_BIT(19)
+/* #define ERTS_PSFLG_ ERTS_PSFLG_BIT(19) */
#define ERTS_PSFLG_DIRTY_CPU_PROC ERTS_PSFLG_BIT(20)
#define ERTS_PSFLG_DIRTY_IO_PROC ERTS_PSFLG_BIT(21)
#define ERTS_PSFLG_DIRTY_ACTIVE_SYS ERTS_PSFLG_BIT(22)
@@ -1546,6 +1549,7 @@ Uint64 erts_step_proc_interval(void);
ErtsProcList *erts_proclist_create(Process *);
ErtsProcList *erts_proclist_copy(ErtsProcList *);
void erts_proclist_destroy(ErtsProcList *);
+void erts_proclist_dump(fmtfn_t to, void *to_arg, ErtsProcList*);
ERTS_GLB_INLINE int erts_proclist_same(ErtsProcList *, Process *);
ERTS_GLB_INLINE void erts_proclist_store_first(ErtsProcList **, ErtsProcList *);
@@ -1792,6 +1796,7 @@ void erts_stack_dump(fmtfn_t to, void *to_arg, Process *);
void erts_limited_stack_trace(fmtfn_t to, void *to_arg, Process *);
void erts_program_counter_info(fmtfn_t to, void *to_arg, Process *);
void erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp);
+void erts_print_run_queue_info(fmtfn_t, void *to_arg, ErtsRunQueue*);
void erts_dump_extended_process_state(fmtfn_t to, void *to_arg, erts_aint32_t psflg);
void erts_dump_process_state(fmtfn_t to, void *to_arg, erts_aint32_t psflg);
@@ -2167,7 +2172,12 @@ ERTS_GLB_INLINE int erts_is_scheduler_bound(ErtsSchedulerData *esdp);
ERTS_GLB_INLINE Process *erts_get_current_process(void);
ERTS_GLB_INLINE Eterm erts_get_current_pid(void);
ERTS_GLB_INLINE Uint erts_get_scheduler_id(void);
-ERTS_GLB_INLINE ErtsRunQueue *erts_get_runq_proc(Process *p);
+ERTS_GLB_INLINE void erts_init_runq_proc(Process *p, ErtsRunQueue *rq, int bnd);
+ERTS_GLB_INLINE ErtsRunQueue *erts_set_runq_proc(Process *p, ErtsRunQueue *rq, int *boundp);
+ERTS_GLB_INLINE int erts_try_change_runq_proc(Process *p, ErtsRunQueue *rq);
+ERTS_GLB_INLINE ErtsRunQueue *erts_bind_runq_proc(Process *p, int bind);
+ERTS_GLB_INLINE int erts_proc_runq_is_bound(Process *p);
+ERTS_GLB_INLINE ErtsRunQueue *erts_get_runq_proc(Process *p, int *boundp);
ERTS_GLB_INLINE ErtsRunQueue *erts_get_runq_current(ErtsSchedulerData *esdp);
ERTS_GLB_INLINE void erts_runq_lock(ErtsRunQueue *rq);
ERTS_GLB_INLINE int erts_runq_trylock(ErtsRunQueue *rq);
@@ -2247,11 +2257,144 @@ Uint erts_get_scheduler_id(void)
return esdp ? esdp->no : (Uint) 0;
}
+/**
+ * Init run-queue of process.
+ *
+ * @param p[in,out] Process
+ * @param rq[in] Run-queue that process will be assigned to
+ * @param bnd[in,out] If non-zero binds process to run-queue.
+ */
+
+ERTS_GLB_INLINE void
+erts_init_runq_proc(Process *p, ErtsRunQueue *rq, int bnd)
+{
+ erts_aint_t rqint = (erts_aint_t) rq;
+ if (bnd)
+ rqint |= ERTS_RUNQ_BOUND_FLAG;
+ erts_atomic_init_nob(&p->run_queue, rqint);
+}
+
+/**
+ * Forcibly set run-queue of process.
+ *
+ * @param p[in,out] Process
+ * @param rq[in] Run-queue that process will be assigned to
+ * @param bndp[in,out] Pointer to integer. On input non-zero
+ * value causes the process to be bound to
+ * the run-queue. On output, indicating
+ * wether process previously was bound or
+ * not.
+ * @return Previous run-queue.
+ */
+
+ERTS_GLB_INLINE ErtsRunQueue *
+erts_set_runq_proc(Process *p, ErtsRunQueue *rq, int *bndp)
+{
+ erts_aint_t rqint = (erts_aint_t) rq;
+ ASSERT(bndp);
+ ASSERT(rq);
+ if (*bndp)
+ rqint |= ERTS_RUNQ_BOUND_FLAG;
+ rqint = erts_atomic_xchg_nob(&p->run_queue, rqint);
+ *bndp = (int) (rqint & ERTS_RUNQ_BOUND_FLAG);
+ return (ErtsRunQueue *) (rqint & ERTS_RUNQ_POINTER_MASK);
+}
+
+/**
+ * Try to change run-queue assignment of a process.
+ *
+ * @param p[in,out] Process
+ * @param rq[int] Run-queue that process will be assigned to
+ * @return Non-zero if the run-queue assignment was
+ * successfully changed.
+ */
+
+ERTS_GLB_INLINE int
+erts_try_change_runq_proc(Process *p, ErtsRunQueue *rq)
+{
+ erts_aint_t old_rqint, new_rqint;
+
+ new_rqint = (erts_aint_t) rq;
+ old_rqint = (erts_aint_t) erts_atomic_read_nob(&p->run_queue);
+ while (1) {
+ erts_aint_t act_rqint;
+
+ if (old_rqint & ERTS_RUNQ_BOUND_FLAG)
+ return 0;
+
+ act_rqint = erts_atomic_cmpxchg_nob(&p->run_queue,
+ new_rqint,
+ old_rqint);
+ if (act_rqint == old_rqint)
+ return !0;
+ }
+}
+
+/**
+ *
+ * Bind or unbind process to/from currently used run-queue.
+ *
+ * @param p Process
+ * @param bind Bind if non-zero; otherwise unbind
+ * @return Pointer to previously bound run-queue,
+ * or NULL if previously unbound
+ */
+
+ERTS_GLB_INLINE ErtsRunQueue *
+erts_bind_runq_proc(Process *p, int bind)
+{
+ erts_aint_t rqint;
+ if (bind)
+ rqint = erts_atomic_read_bor_nob(&p->run_queue,
+ ERTS_RUNQ_BOUND_FLAG);
+ else
+ rqint = erts_atomic_read_band_nob(&p->run_queue,
+ ~ERTS_RUNQ_BOUND_FLAG);
+ if (rqint & ERTS_RUNQ_BOUND_FLAG)
+ return (ErtsRunQueue *) (rqint & ERTS_RUNQ_POINTER_MASK);
+ else
+ return NULL;
+}
+
+/**
+ * Determine wether a process is bound to a run-queue or not.
+ *
+ * @return Returns a non-zero value if bound,
+ * and zero of not bound.
+ */
+
+ERTS_GLB_INLINE int
+erts_proc_runq_is_bound(Process *p)
+{
+ erts_aint_t rqint = erts_atomic_read_nob(&p->run_queue);
+ return (int) (rqint & ERTS_RUNQ_BOUND_FLAG);
+}
+
+/**
+ * Set run-queue of process.
+ *
+ * @param p[in,out] Process
+ * @param bndp[out] Pointer to integer. If non-NULL pointer,
+ * the integer will be set to a non-zero
+ * value if the process is bound to the
+ * run-queue.
+ * @return Pointer to the normal run-queue that
+ * the process currently is assigend to.
+ * A process is always assigned to a
+ * normal run-queue.
+ */
+
ERTS_GLB_INLINE ErtsRunQueue *
-erts_get_runq_proc(Process *p)
+erts_get_runq_proc(Process *p, int *bndp)
{
- ASSERT(ERTS_AINT_NULL != erts_atomic_read_nob(&p->run_queue));
- return (ErtsRunQueue *) erts_atomic_read_nob(&p->run_queue);
+ erts_aint_t rqint = erts_atomic_read_nob(&p->run_queue);
+ ErtsRunQueue *rq;
+ if (bndp)
+ *bndp = (int) (rqint & ERTS_RUNQ_BOUND_FLAG);
+ rqint &= ERTS_RUNQ_POINTER_MASK;
+ rq = (ErtsRunQueue *) rqint;
+ ASSERT(rq);
+ return rq;
}
ERTS_GLB_INLINE ErtsRunQueue *
diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c
index f562fc961b..05e7bcdea2 100644
--- a/erts/emulator/beam/erl_process_dump.c
+++ b/erts/emulator/beam/erl_process_dump.c
@@ -78,8 +78,17 @@ erts_deep_process_dump(fmtfn_t to, void *to_arg)
Process *p = erts_pix2proc(i);
if (p && p->i != ENULL) {
erts_aint32_t state = erts_atomic32_read_acqb(&p->state);
- if (!(state & (ERTS_PSFLG_EXITING|ERTS_PSFLG_GC)))
- dump_process_info(to, to_arg, p);
+ if (state & ERTS_PSFLG_EXITING)
+ continue;
+ if (state & ERTS_PSFLG_GC) {
+ ErtsSchedulerData *sdp = erts_get_scheduler_data();
+ if (!sdp || p != sdp->current_process)
+ continue;
+
+ /* We want to dump the garbing process that caused the dump */
+ }
+
+ dump_process_info(to, to_arg, p);
}
}
@@ -135,9 +144,12 @@ dump_process_info(fmtfn_t to, void *to_arg, Process *p)
ErtsMessage* mp;
int yreg = -1;
+ if (ERTS_TRACE_FLAGS(p) & F_SENSITIVE)
+ return;
+
ERTS_MSGQ_MV_INQ2PRIVQ(p);
- if ((ERTS_TRACE_FLAGS(p) & F_SENSITIVE) == 0 && p->msg.first) {
+ if (p->msg.first) {
erts_print(to, to_arg, "=proc_messages:%T\n", p->common.id);
for (mp = p->msg.first; mp != NULL; mp = mp->next) {
Eterm mesg = ERL_MESSAGE_TERM(mp);
@@ -152,38 +164,34 @@ dump_process_info(fmtfn_t to, void *to_arg, Process *p)
}
}
- if ((ERTS_TRACE_FLAGS(p) & F_SENSITIVE) == 0) {
- if (p->dictionary) {
- erts_print(to, to_arg, "=proc_dictionary:%T\n", p->common.id);
- erts_deep_dictionary_dump(to, to_arg,
- p->dictionary, dump_element_nl);
- }
+ if (p->dictionary) {
+ erts_print(to, to_arg, "=proc_dictionary:%T\n", p->common.id);
+ erts_deep_dictionary_dump(to, to_arg,
+ p->dictionary, dump_element_nl);
}
- if ((ERTS_TRACE_FLAGS(p) & F_SENSITIVE) == 0) {
- erts_print(to, to_arg, "=proc_stack:%T\n", p->common.id);
- for (sp = p->stop; sp < STACK_START(p); sp++) {
- yreg = stack_element_dump(to, to_arg, sp, yreg);
- }
+ erts_print(to, to_arg, "=proc_stack:%T\n", p->common.id);
+ for (sp = p->stop; sp < STACK_START(p); sp++) {
+ yreg = stack_element_dump(to, to_arg, sp, yreg);
+ }
- erts_print(to, to_arg, "=proc_heap:%T\n", p->common.id);
- for (sp = p->stop; sp < STACK_START(p); sp++) {
- Eterm term = *sp;
-
- if (!is_catch(term) && !is_CP(term)) {
- heap_dump(to, to_arg, term);
- }
- }
- for (mp = p->msg.first; mp != NULL; mp = mp->next) {
- Eterm mesg = ERL_MESSAGE_TERM(mp);
- if (is_value(mesg))
- heap_dump(to, to_arg, mesg);
- mesg = ERL_MESSAGE_TOKEN(mp);
- heap_dump(to, to_arg, mesg);
- }
- if (p->dictionary) {
- erts_deep_dictionary_dump(to, to_arg, p->dictionary, heap_dump);
- }
+ erts_print(to, to_arg, "=proc_heap:%T\n", p->common.id);
+ for (sp = p->stop; sp < STACK_START(p); sp++) {
+ Eterm term = *sp;
+
+ if (!is_catch(term) && !is_CP(term)) {
+ heap_dump(to, to_arg, term);
+ }
+ }
+ for (mp = p->msg.first; mp != NULL; mp = mp->next) {
+ Eterm mesg = ERL_MESSAGE_TERM(mp);
+ if (is_value(mesg))
+ heap_dump(to, to_arg, mesg);
+ mesg = ERL_MESSAGE_TOKEN(mp);
+ heap_dump(to, to_arg, mesg);
+ }
+ if (p->dictionary) {
+ erts_deep_dictionary_dump(to, to_arg, p->dictionary, heap_dump);
}
}
@@ -1001,8 +1009,6 @@ erts_dump_extended_process_state(fmtfn_t to, void *to_arg, erts_aint32_t psflg)
erts_print(to, to_arg, "SUSPENDED"); break;
case ERTS_PSFLG_GC:
erts_print(to, to_arg, "GC"); break;
- case ERTS_PSFLG_BOUND:
- erts_print(to, to_arg, "BOUND"); break;
case ERTS_PSFLG_TRAP_EXIT:
erts_print(to, to_arg, "TRAP_EXIT"); break;
case ERTS_PSFLG_ACTIVE_SYS:
@@ -1015,8 +1021,6 @@ erts_dump_extended_process_state(fmtfn_t to, void *to_arg, erts_aint32_t psflg)
erts_print(to, to_arg, "DELAYED_SYS"); break;
case ERTS_PSFLG_OFF_HEAP_MSGQ:
erts_print(to, to_arg, "OFF_HEAP_MSGQ"); break;
- case ERTS_PSFLG_ON_HEAP_MSGQ:
- erts_print(to, to_arg, "ON_HEAP_MSGQ"); break;
case ERTS_PSFLG_DIRTY_CPU_PROC:
erts_print(to, to_arg, "DIRTY_CPU_PROC"); break;
case ERTS_PSFLG_DIRTY_IO_PROC:
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index 4b996d8fc2..d2495479ab 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -2783,24 +2783,28 @@ is_tracer_enabled(Process* c_p, ErtsProcLocks c_p_locks,
ASSERT(0);
}
- /* Only remove tracer on self() and ports */
+ /* Only remove tracer on (self() or ports) AND we are on a normal scheduler */
if (is_internal_port(t_p->id) || (c_p && c_p->common.id == t_p->id)) {
+ ErtsSchedulerData *esdp = erts_get_scheduler_data();
ErtsProcLocks c_p_xlocks = 0;
- if (is_internal_pid(t_p->id)) {
- ERTS_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p) & ERTS_PROC_LOCK_MAIN);
- if (c_p_locks != ERTS_PROC_LOCKS_ALL) {
- c_p_xlocks = ~c_p_locks & ERTS_PROC_LOCKS_ALL;
- if (erts_proc_trylock(c_p, c_p_xlocks) == EBUSY) {
- erts_proc_unlock(c_p, c_p_locks & ~ERTS_PROC_LOCK_MAIN);
- erts_proc_lock(c_p, ERTS_PROC_LOCKS_ALL_MINOR);
+ if (esdp && !ERTS_SCHEDULER_IS_DIRTY(esdp)) {
+ if (is_internal_pid(t_p->id)) {
+ ERTS_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p) & ERTS_PROC_LOCK_MAIN);
+ if (c_p_locks != ERTS_PROC_LOCKS_ALL) {
+ c_p_xlocks = ~c_p_locks & ERTS_PROC_LOCKS_ALL;
+ if (erts_proc_trylock(c_p, c_p_xlocks) == EBUSY) {
+ erts_proc_unlock(c_p, c_p_locks & ~ERTS_PROC_LOCK_MAIN);
+ erts_proc_lock(c_p, ERTS_PROC_LOCKS_ALL_MINOR);
+ }
}
}
- }
- erts_tracer_replace(t_p, erts_tracer_nil);
- t_p->trace_flags &= ~TRACEE_FLAGS;
- if (c_p_xlocks)
- erts_proc_unlock(c_p, c_p_xlocks);
+ erts_tracer_replace(t_p, erts_tracer_nil);
+ t_p->trace_flags &= ~TRACEE_FLAGS;
+
+ if (c_p_xlocks)
+ erts_proc_unlock(c_p, c_p_xlocks);
+ }
}
return 0;
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index ebe673cd86..d757651933 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1066,7 +1066,7 @@ Eterm copy_struct_x(Eterm, Uint, Eterm**, ErlOffHeap*, Uint*, erts_literal_area_
#define copy_struct_litopt(Obj,Sz,HPP,OH,LitArea) \
copy_struct_x(Obj,Sz,HPP,OH,NULL,LitArea)
-Eterm copy_shallow(Eterm*, Uint, Eterm**, ErlOffHeap*);
+Eterm copy_shallow(Eterm* ERTS_RESTRICT, Uint, Eterm**, ErlOffHeap*);
void erts_move_multi_frags(Eterm** hpp, ErlOffHeap*, ErlHeapFragment* first,
Eterm* refs, unsigned nrefs, int literals);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 2c1b7871c4..3e8f6263bb 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -298,7 +298,6 @@ static Port *create_port(char *name,
erts_aint32_t state = ERTS_PORT_SFLG_CONNECTED;
erts_aint32_t x_pts_flgs = 0;
- ErtsRunQueue *runq;
if (!driver_lock) {
/* Align size for mutex following port struct */
port_size = size = ERTS_ALC_DATA_ALIGN_SIZE(sizeof(Port));
@@ -347,11 +346,16 @@ static Port *create_port(char *name,
p += sizeof(erts_mtx_t);
state |= ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK;
}
- if (erts_get_scheduler_data())
- runq = erts_get_runq_current(NULL);
- else
- runq = ERTS_RUNQ_IX(0);
- erts_atomic_set_nob(&prt->run_queue, (erts_aint_t) runq);
+
+ {
+ ErtsRunQueue *runq;
+ ErtsSchedulerData *esdp = erts_get_scheduler_data();
+ if (esdp)
+ runq = erts_get_runq_current(esdp);
+ else
+ runq = ERTS_RUNQ_IX(0);
+ erts_init_runq_port(prt, runq);
+ }
prt->xports = NULL;
@@ -5075,6 +5079,93 @@ static void prt_one_lnk(ErtsLink *lnk, void *vprtd)
erts_print(prtd->to, prtd->arg, "%T", lnk->pid);
}
+static void dump_port_state(fmtfn_t to, void *arg, erts_aint32_t state)
+{
+ erts_aint32_t rest;
+ int unknown = 0;
+ char delim = ' ';
+
+ erts_print(to, arg, "State:");
+
+ rest = state;
+ while (rest) {
+ erts_aint32_t chk = (rest ^ (rest-1)) & rest; /* lowest set bit */
+ char* s;
+
+ rest &= ~chk;
+ switch (chk) {
+ case ERTS_PORT_SFLG_CONNECTED: s = "CONNECTED"; break;
+ case ERTS_PORT_SFLG_EXITING: s = "EXITING"; break;
+ case ERTS_PORT_SFLG_DISTRIBUTION: s = "DISTR"; break;
+ case ERTS_PORT_SFLG_BINARY_IO: s = "BINARY_IO"; break;
+ case ERTS_PORT_SFLG_SOFT_EOF: s = "SOFT_EOF"; break;
+ case ERTS_PORT_SFLG_CLOSING: s = "CLOSING"; break;
+ case ERTS_PORT_SFLG_SEND_CLOSED: s = "SEND_CLOSED"; break;
+ case ERTS_PORT_SFLG_LINEBUF_IO: s = "LINEBUF_IO"; break;
+ case ERTS_PORT_SFLG_FREE: s = "FREE"; break;
+ case ERTS_PORT_SFLG_INITIALIZING: s = "INITIALIZING"; break;
+ case ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK: s = "PORT_LOCK"; break;
+ case ERTS_PORT_SFLG_INVALID: s = "INVALID"; break;
+ case ERTS_PORT_SFLG_HALT: s = "HALT"; break;
+#ifdef DEBUG
+ case ERTS_PORT_SFLG_PORT_DEBUG: s = "DEBUG"; break;
+#endif
+ default:
+ unknown = 1;
+ continue;
+ }
+ erts_print(to, arg, "%c%s", delim, s);
+ delim = '|';
+ }
+ if (unknown || !state)
+ erts_print(to, arg, "%c0x%x\n", delim, state);
+ else
+ erts_print(to, arg, "\n");
+}
+
+static void dump_port_task_flags(fmtfn_t to, void *arg, Port* p)
+{
+ erts_aint32_t flags = erts_atomic32_read_nob(&p->sched.flags);
+ erts_aint32_t unknown = 0;
+ char delim = ' ';
+
+ if (!flags)
+ return;
+
+ erts_print(to, arg, "Task Flags:");
+
+ while (flags) {
+ erts_aint32_t chk = (flags ^ (flags-1)) & flags; /* lowest set bit */
+ char* s;
+
+ flags &= ~chk;
+ switch (chk) {
+ case ERTS_PTS_FLG_IN_RUNQ: s = "IN_RUNQ"; break;
+ case ERTS_PTS_FLG_EXEC: s = "EXEC"; break;
+ case ERTS_PTS_FLG_HAVE_TASKS: s = "HAVE_TASKS"; break;
+ case ERTS_PTS_FLG_EXIT: s = "EXIT"; break;
+ case ERTS_PTS_FLG_BUSY_PORT: s = "BUSY_PORT"; break;
+ case ERTS_PTS_FLG_BUSY_PORT_Q: s = "BUSY_Q"; break;
+ case ERTS_PTS_FLG_CHK_UNSET_BUSY_PORT_Q: s = "CHK_UNSET_BUSY_Q"; break;
+ case ERTS_PTS_FLG_HAVE_BUSY_TASKS: s = "BUSY_TASKS"; break;
+ case ERTS_PTS_FLG_HAVE_NS_TASKS: s = "NS_TASKS"; break;
+ case ERTS_PTS_FLG_PARALLELISM: s = "PARALLELISM"; break;
+ case ERTS_PTS_FLG_FORCE_SCHED: s = "FORCE_SCHED"; break;
+ case ERTS_PTS_FLG_EXITING: s = "EXITING"; break;
+ case ERTS_PTS_FLG_EXEC_IMM: s = "EXEC_IMM"; break;
+ default:
+ unknown |= chk;
+ continue;
+ }
+ erts_print(to, arg, "%c%s", delim, s);
+ delim = '|';
+ }
+ if (unknown)
+ erts_print(to, arg, "%cUNKNOWN(0x%x)\n", delim, unknown);
+ else
+ erts_print(to, arg, "\n");
+}
+
void
print_port_info(Port *p, fmtfn_t to, void *arg)
{
@@ -5084,6 +5175,8 @@ print_port_info(Port *p, fmtfn_t to, void *arg)
return;
erts_print(to, arg, "=port:%T\n", p->common.id);
+ dump_port_state(to, arg, state);
+ dump_port_task_flags(to, arg, p);
erts_print(to, arg, "Slot: %d\n", internal_port_index(p->common.id));
if (state & ERTS_PORT_SFLG_CONNECTED) {
erts_print(to, arg, "Connected: %T", ERTS_PORT_GET_CONNECTED(p));
@@ -5106,6 +5199,10 @@ print_port_info(Port *p, fmtfn_t to, void *arg)
erts_doforall_monitors(ERTS_P_MONITORS(p), &prt_one_monitor, &prtd);
erts_print(to, arg, "\n");
}
+ if (p->suspended) {
+ erts_print(to, arg, "Suspended: ");
+ erts_proclist_dump(to, arg, p->suspended);
+ }
if (p->common.u.alive.reg != NULL)
erts_print(to, arg, "Registered as: %T\n", p->common.u.alive.reg->name);
@@ -5123,6 +5220,14 @@ print_port_info(Port *p, fmtfn_t to, void *arg)
} else {
erts_print(to, arg, "Port controls linked-in driver: %s\n",p->name);
}
+ erts_print(to, arg, "Input: %beu\n", p->bytes_in);
+ erts_print(to, arg, "Output: %beu\n", p->bytes_out);
+ erts_print(to, arg, "Queue: %beu\n", erts_ioq_size(&p->ioq));
+ {
+ Eterm port_data = erts_port_data_read(p);
+ if (port_data != am_undefined)
+ erts_print(to, arg, "Port Data: %T\n", port_data);
+ }
}
void
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index fe9f1c7606..4bf60619ba 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -3152,6 +3152,9 @@ tailrecur_ne:
int cmp;
byte* a_ptr;
byte* b_ptr;
+ if (eq_only && a_size != b_size) {
+ RETURN_NEQ(a_size - b_size);
+ }
ERTS_GET_BINARY_BYTES(a, a_ptr, a_bitoffs, a_bitsize);
ERTS_GET_BINARY_BYTES(b, b_ptr, b_bitoffs, b_bitsize);
if ((a_bitsize | b_bitsize | a_bitoffs | b_bitoffs) == 0) {
diff --git a/erts/emulator/hipe/hipe_gc.c b/erts/emulator/hipe/hipe_gc.c
index 1a4a4c7952..aaedba1afd 100644
--- a/erts/emulator/hipe/hipe_gc.c
+++ b/erts/emulator/hipe/hipe_gc.c
@@ -91,7 +91,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop)
ASSERT(is_boxed(val));
*nsp_i = val;
} else if (!erts_is_literal(gval, ptr)) {
- move_boxed(&ptr, val, &n_htop, nsp_i);
+ move_boxed(ptr, val, &n_htop, nsp_i);
}
} else if (is_list(gval)) {
Eterm *ptr = list_val(gval);
@@ -100,7 +100,7 @@ Eterm *fullsweep_nstack(Process *p, Eterm *n_htop)
*nsp_i = ptr[1];
} else if (!erts_is_literal(gval, ptr)) {
ASSERT(erts_dbg_within_proc(ptr, p, NULL));
- move_cons(&ptr, val, &n_htop, nsp_i);
+ move_cons(ptr, val, &n_htop, nsp_i);
}
}
}
@@ -206,10 +206,10 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop)
ASSERT(is_boxed(val));
*nsp_i = val;
} else if (ErtsInArea(ptr, mature, mature_size)) {
- move_boxed(&ptr, val, &old_htop, nsp_i);
+ move_boxed(ptr, val, &old_htop, nsp_i);
} else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) {
ASSERT(erts_dbg_within_proc(ptr, p, NULL));
- move_boxed(&ptr, val, &n_htop, nsp_i);
+ move_boxed(ptr, val, &n_htop, nsp_i);
}
} else if (is_list(gval)) {
Eterm *ptr = list_val(gval);
@@ -217,10 +217,10 @@ void gensweep_nstack(Process *p, Eterm **ptr_old_htop, Eterm **ptr_n_htop)
if (IS_MOVED_CONS(val)) {
*nsp_i = ptr[1];
} else if (ErtsInArea(ptr, mature, mature_size)) {
- move_cons(&ptr, val, &old_htop, nsp_i);
+ move_cons(ptr, val, &old_htop, nsp_i);
} else if (ErtsInYoungGen(gval, ptr, oh, oh_size)) {
ASSERT(erts_dbg_within_proc(ptr, p, NULL));
- move_cons(&ptr, val, &n_htop, nsp_i);
+ move_cons(ptr, val, &n_htop, nsp_i);
}
}
}
@@ -278,7 +278,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area,
ASSERT(is_boxed(val));
*nsp_i = val;
} else if (ErtsInArea(ptr, area, area_size)) {
- move_boxed(&ptr, val, &old_htop, nsp_i);
+ move_boxed(ptr, val, &old_htop, nsp_i);
}
} else if (is_list(gval)) {
Eterm *ptr = list_val(gval);
@@ -286,7 +286,7 @@ Eterm *sweep_literals_nstack(Process *p, Eterm *old_htop, char *area,
if (IS_MOVED_CONS(val)) {
*nsp_i = ptr[1];
} else if (ErtsInArea(ptr, area, area_size)) {
- move_cons(&ptr, val, &old_htop, nsp_i);
+ move_cons(ptr, val, &old_htop, nsp_i);
}
}
}
diff --git a/erts/emulator/internal_doc/CarrierMigration.md b/erts/emulator/internal_doc/CarrierMigration.md
index 2a9594db25..3a796d11b7 100644
--- a/erts/emulator/internal_doc/CarrierMigration.md
+++ b/erts/emulator/internal_doc/CarrierMigration.md
@@ -3,17 +3,17 @@ Carrier Migration
The ERTS memory allocators manage memory blocks in two types of raw
memory chunks. We call these chunks of raw memory
-*carriers*. Singleblock carriers which only contain one large block,
-and multiblock carriers which contain multiple blocks. A carrier is
+*carriers*. Single-block carriers which only contain one large block,
+and multi-block carriers which contain multiple blocks. A carrier is
typically created using `mmap()` on unix systems. However, how a
carrier is created is of minor importance. An allocator instance
-typically manages a mixture of single- and multiblock carriers.
+typically manages a mixture of single- and multi-block carriers.
Problem
-------
When a carrier is empty, i.e. contains only one large free block, it
-is deallocated. Since multiblock carriers can contain both allocated
+is deallocated. Since multi-block carriers can contain both allocated
blocks and free blocks at the same time, an allocator instance might
be stuck with a large amount of poorly utilized carriers if the memory
load decreases. After a peak in memory usage it is expected that not
@@ -23,9 +23,9 @@ can usually be reused if the memory load increases again. However,
since each scheduler thread manages its own set of allocator
instances, and memory load is not necessarily correlated to CPU load, we
might get into a situation where there are lots of poorly utilized
-multiblock carriers on some allocator instances while we need to
-allocate new multiblock carriers on other allocator instances. In
-scenarios like this, the demand for multiblock carriers in the system
+multi-block carriers on some allocator instances while we need to
+allocate new multi-block carriers on other allocator instances. In
+scenarios like this, the demand for multi-block carriers in the system
might increase at the same time as the actual memory demand in the
system has decreased which is both unwanted and quite unexpected for
the end user.
@@ -34,7 +34,7 @@ Solution
--------
In order to prevent scenarios like this we've implemented support for
-migration of multiblock carriers between allocator instances of the
+migration of multi-block carriers between allocator instances of the
same type.
### Management of Free Blocks ###
@@ -44,7 +44,7 @@ and add it to another we need to be able to move references to the
free blocks of the carrier between the allocator instances. The
allocator instance specific data structure referring to the free
blocks it manages often refers to the same carrier from multiple
-places. For example, when the address order bestfit strategy is used
+places. For example, when the address order best-fit strategy is used
this data structure is a binary search tree spanning all carriers that
the allocator instance manages. Free blocks in one specific carrier
can be referred to from potentially every other carrier that is
@@ -135,7 +135,7 @@ carriers between scheduler specific allocator instances of the same
allocator type.
Each allocator instance keeps track of the current utilization of its
-multiblock carriers. When the total utilization falls below the "abandon
+multi-block carriers. When the total utilization falls below the "abandon
carrier utilization limit" it starts to inspect the utilization of the
current carrier when deallocations are made. If also the utilization
of the carrier falls below the "abandon carrier utilization limit" it
@@ -144,31 +144,45 @@ and inserts the carrier into the pool.
Since the carrier has been unlinked from the data structure of
available free blocks, no more allocations will be made in the
-carrier. The allocator instance putting the carrier into the pool,
-however, still has the responsibility of performing deallocations in
-it while it remains in the pool. The allocator instance with this
-deallocation responsibility is here called the **employer**.
-
-Each carrier has a flag field containing information about the
-employing allocator instance, a flag indicating if the carrier is in
-the pool or not, and a flag indicating if it is busy or not. When the
-carrier is in the pool, the employing allocator instance needs to mark it
-as busy while operating on it. If another thread inspects it in order
-to try to fetch it from the pool, it will skip it if it is busy. When
-fetching the carrier from the pool, employment will change and further
+carrier.
+
+The allocator instance that created a carrier is called its **owner**.
+Ownership never changes.
+
+The allocator instance that has the responsibility to perform deallocations in a
+carrier is called its **employer**. The employer may also perform allocations if
+the carrier is not in the pool. Employment may change when a carrier is fetched from
+or inserted into the pool.
+
+Deallocations in a carrier, while it remains in the pool, is always performed
+the owner. That is, all pooled carriers are employed by their owners.
+
+Each carrier has an atomic word containing a pointer to the employing allocator
+instance and three bit flags; IN_POOL, BUSY and HOMECOMING.
+
+When fetching a carrier from the pool, employment may change and further
deallocations in the carrier will be redirected to the new
employer using the delayed dealloc functionality.
-If a carrier in the pool becomes empty, it will be withdrawn from the
-pool. All carriers that become empty are also always passed to its
-**owning** allocator instance for deallocation using the delayed
-dealloc functionality. Since carriers this way always will be
-deallocated by the owner that allocated the carrier, the
+When a foreign allocator instance abandons a carrier back into the pool, it will
+also pass it back to its **owner** using the delayed dealloc queue. When doing
+this it will set the HOMECOMING bit flag to mark it as "enqueued". The owner
+will later clear the HOMECOMING bit when the carrier is dequeued. This mechanism
+prevents a carrier from being enqueued again before it has been dequeued.
+
+When a carrier becomes empty, it will be deallocated. Carrier deallocation is
+always done by the owner that allocated the carrier. By doing this, the
underlying functionality of allocating and deallocating carriers can
remain simple and doesn't have to bother about multiple threads. In a
NUMA system we will also not mix carriers originating from multiple
NUMA nodes.
+If a carrier in the pool becomes empty, it will be withdrawn from the
+pool and be deallocated by the owner which already employs it.
+
+If a carrier employed by a foreign allocator becomes empty, it will be passed
+back to the owner for deallocation using the delayed dealloc functionality.
+
In short:
* The allocator instance that created a carrier **owns** it.
@@ -177,34 +191,31 @@ In short:
* The allocator instance that uses a carrier **employs** it.
* An **employer** can abandon a carrier into the pool.
* Pooled carriers are not allocated from.
-* Deallocation in a pooled carrier is still performed by its **employer**.
-* **Employment** can only change when a carrier is fetched from the pool.
+* Pooled carriers are always **employed** by their **owner**.
+* **Employment** can only change from **owner** to a foreign allocator
+ when a carrier is fetched from the pool.
+
### Searching the pool ###
+When an allocator instance needs more carrier space, it inspects the pool. If no
+carrier could be fetched from the pool, it will allocate a new
+carrier. Regardless of where the allocator instance gets the carrier from, it
+just links in the carrier into its data structure of free blocks.
+
To harbor real time characteristics, searching the pool is
limited. We only inspect a limited number of carriers. If none of
those carriers had a free block large enough to satisfy the allocation
-request, the search will fail. A carrier in the pool can also be busy
+request, the search will fail. A carrier in the pool can also be BUSY
if another thread is currently doing block deallocation work on the
-carrier. A busy carrier will also be skipped by the search as it can
+carrier. A BUSY carrier will also be skipped by the search as it can
not satisfy the request. The pool is lock-free and we do not want to
block, waiting for the other thread to finish.
-#### Before OTP 17.4 ####
+### The bad cluster problem ###
-When an allocator instance needs more carrier space, it always begins
-by inspecting its own carriers that are waiting for thread progress
-before they can be deallocated. If no such carrier could be found, it
-then inspects the pool. If no carrier could be fetched from the pool,
-it will allocate a new carrier. Regardless of where the allocator
-instance gets the carrier from it the just links in the carrier into
-its data structure of free blocks.
-
-#### After OTP 17.4 ####
-
-The old search algorithm had a problem as the search always started at
-the same position in the pool, the sentinel. This could lead to
+Before OTP-17.4 the search algorithm had a problem as the search always started
+at the same position in the pool, the sentinel. This could lead to
contention from concurrent searching processes. But even worse, it
could lead to a "bad" state when searches fail with a high rate
leading to new carriers instead being allocated. These new carriers
@@ -236,26 +247,27 @@ The result is that we prefer carriers created by the thread itself,
which is good for NUMA performance. And we get more entry points when
searching the pool, which will ease contention and clustering.
+### Our own pooled tree ###
+
To do the first search among own carriers, every allocator instance
-has two new lists: `pooled_list` and `traitor_list`. These lists are only
-accessed by the allocator itself and they only contain the allocator's
-own carriers. When an owned carrier is abandoned and put in the
-pool, it is also linked into `pooled_list`. When we search our
-`pooled_list` and find a carrier that is no longer in the pool, we
-move that carrier from `pooled_list` to `traitor_list` as it is now
-employed by another allocator. If searching `pooled_list` fails, we
-also do a limited search of `traitor_list`. When finding an abandoned
-carrier in `traitor_list` it is either employed or moved back to
-`pooled_list` if it could not satisfy the allocation request.
-
-When searching `pooled_list` and `traitor_list` we always start at the
-point where the last search ended. This to avoid clustering
-problems and increase the probability to find a "good" carrier. As
-`pooled_list` and `traitor_list` are only accessed by the owning
-allocator instance, they need no thread synchronization at all.
+has a `pooled_tree` of carriers. This tree is only accessed by the allocator
+itself and can only contain its own carriers. When a carrier is
+abandoned and put in the pool, it is also inserted into `pooled_tree`. This is
+either done direct, if the carrier was already employed by its owner, or by
+first passing it back to the owner via the delayed dealloc queue.
+
+When we search our `pooled_tree` and find a carrier that is no longer in the
+pool, we remove that carrier from `pooled_tree` and mark it as TRAITOR, as it is
+now employed by a foreign allocator. We will not find any carriers in
+`pooled_tree` that are marked as BUSY by other threads.
+
+If no carrier in `pooled_tree` had a large enough free block, we search it again
+to find any carrier that may act as an entry point into the shared list of all
+pooled carriers. This in order to, if possible, avoid starting at the sentinel
+and thereby ease the "bad clustering" problem.
Furthermore, the search for own carriers that are scheduled
-for deallocation is now done as the last search option. The idea is
+for deallocation is done as the last search option. The idea is
that it is better to reuse a poorly utilized carrier than to
resurrect an empty carrier that was just about to be released back to
the OS.
@@ -271,14 +283,14 @@ load did not.
When using the `aoffcaobf` or `aoff` strategies compared to `gf` or
`bf`, we loose some performance since we get more modifications in the
data structure of free blocks. This performance penalty is however
-reduced using the `aoffcbf` strategy. A tradeoff between memory
+reduced using the `aoffcbf` strategy. A trade off between memory
consumption and performance is however inevitable, and it is up to
the user to decide what is most important.
Further work
------------
-It would be quite easy to extend this to allow migration of multiblock
+It would be quite easy to extend this to allow migration of multi-block
carriers between all allocator types. More or less the only obstacle
is maintenance of the statistics information.
diff --git a/erts/emulator/nifs/unix/unix_prim_file.c b/erts/emulator/nifs/unix/unix_prim_file.c
index 57c8ef62e1..4a6c476882 100644
--- a/erts/emulator/nifs/unix/unix_prim_file.c
+++ b/erts/emulator/nifs/unix/unix_prim_file.c
@@ -125,24 +125,11 @@ static int open_file_type_check(const efile_path_t *path, int fd) {
* immediately in a read within the call, but the new implementation
* never does that. */
return 1;
- } else {
- /* The old driver tolerated opening /dev/null despite the "no devices"
- * limitation. It provided no explanation for this but we still need
- * to match the behavior. We're checking through stat(2) instead of
- * comparing the name to account for links. */
- struct stat null_device_info;
- int is_dev_null;
-
- is_dev_null = (stat("/dev/null", &null_device_info) == 0);
- is_dev_null &= (file_info.st_ino == null_device_info.st_ino);
- is_dev_null &= (file_info.st_dev == null_device_info.st_dev);
-
- if(is_dev_null) {
- return 1;
- }
}
- if(!S_ISREG(file_info.st_mode)) {
+ /* Allow everything that isn't a directory, and error out on the next call
+ * if it's unsupported. */
+ if(S_ISDIR(file_info.st_mode)) {
return 0;
}
diff --git a/erts/emulator/sys/unix/erl_child_setup.c b/erts/emulator/sys/unix/erl_child_setup.c
index 69fc6c2879..57973b10d7 100644
--- a/erts/emulator/sys/unix/erl_child_setup.c
+++ b/erts/emulator/sys/unix/erl_child_setup.c
@@ -437,6 +437,21 @@ main(int argc, char *argv[])
exit(1);
}
+ /* Ignore SIGTERM.
+ Some container environments send SIGTERM to all processes
+ when terminating. We don't want erl_child_setup to terminate
+ in these cases as that will prevent beam from properly
+ cleaning up.
+ */
+ sa.sa_handler = SIG_IGN;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+
+ if (sigaction(SIGTERM, &sa, 0) == -1) {
+ perror(NULL);
+ exit(1);
+ }
+
forker_hash_init();
SET_CLOEXEC(uds_fd);
diff --git a/erts/emulator/test/alloc_SUITE.erl b/erts/emulator/test/alloc_SUITE.erl
index 5e5cd6f578..88ff2a7a92 100644
--- a/erts/emulator/test/alloc_SUITE.erl
+++ b/erts/emulator/test/alloc_SUITE.erl
@@ -31,6 +31,7 @@
mseg_clear_cache/1,
erts_mmap/1,
cpool/1,
+ set_dyn_param/1,
migration/1]).
-include_lib("common_test/include/ct.hrl").
@@ -41,6 +42,7 @@ suite() ->
all() ->
[basic, coalesce, threads, realloc_copy, bucket_index,
+ set_dyn_param,
bucket_mask, rbtree, mseg_clear_cache, erts_mmap, cpool, migration].
init_per_testcase(Case, Config) when is_list(Config) ->
@@ -65,7 +67,11 @@ mseg_clear_cache(Cfg) -> drv_case(Cfg).
cpool(Cfg) -> drv_case(Cfg).
migration(Cfg) ->
- drv_case(Cfg, concurrent, "+MZe true").
+ %% Enable test_alloc.
+ %% Disable driver_alloc to avoid recursive alloc_util calls
+ %% through enif_mutex_create() in my_creating_mbc().
+ drv_case(Cfg, concurrent, "+MZe true +MRe false"),
+ drv_case(Cfg, concurrent, "+MZe true +MRe false +MZas ageffcbf").
erts_mmap(Config) when is_list(Config) ->
case {os:type(), mmsc_flags()} of
@@ -110,7 +116,7 @@ erts_mmap_do(Config, SCO, SCRPM, SCRFSD) ->
0 -> O1;
_ -> O1 ++ " +MMscrfsd"++integer_to_list(SCRFSD)
end,
- {ok, Node} = start_node(Config, Opts),
+ {ok, Node} = start_node(Config, Opts, []),
Self = self(),
Ref = make_ref(),
F = fun() ->
@@ -140,6 +146,82 @@ erts_mmap_do(Config, SCO, SCRPM, SCRFSD) ->
Result.
+%% Test erlang:system_flag(erts_alloc, ...)
+set_dyn_param(_Config) ->
+ {_, _, _, AlcList} = erlang:system_info(allocator),
+
+ {Enabled, Disabled, Others} =
+ lists:foldl(fun({sys_alloc,_}, {Es, Ds, Os}) ->
+ {Es, [sys_alloc | Ds], Os};
+
+ ({AT, Opts}, {Es, Ds, Os}) when is_list(Opts) ->
+ case lists:keyfind(e, 1, Opts) of
+ {e, true} ->
+ {[AT | Es], Ds, Os};
+ {e, false} ->
+ {Es, [AT | Ds], Os};
+ false ->
+ {Es, Ds, [AT | Os]}
+ end;
+
+ (_, Acc) -> Acc
+ end,
+ {[], [], []},
+ AlcList),
+
+ Param = sbct,
+ lists:foreach(fun(AT) -> set_dyn_param_enabled(AT, Param) end,
+ Enabled),
+
+ lists:foreach(fun(AT) ->
+ Tpl = {AT, Param, 12345},
+ io:format("~p\n", [Tpl]),
+ notsup = erlang:system_flag(erts_alloc, Tpl)
+ end,
+ Disabled),
+
+ lists:foreach(fun(AT) ->
+ Tpl = {AT, Param, 12345},
+ io:format("~p\n", [Tpl]),
+ {'EXIT',{badarg,_}} =
+ (catch erlang:system_flag(erts_alloc, Tpl))
+ end,
+ Others),
+ ok.
+
+set_dyn_param_enabled(AT, Param) ->
+ OldVal = get_alc_param(AT, Param),
+
+ Val1 = OldVal div 2,
+ Tuple = {AT, Param, Val1},
+ io:format("~p\n", [Tuple]),
+ ok = erlang:system_flag(erts_alloc, Tuple),
+ Val1 = get_alc_param(AT, Param),
+
+ ok = erlang:system_flag(erts_alloc, {AT, Param, OldVal}),
+ OldVal = get_alc_param(AT, Param),
+ ok.
+
+get_alc_param(AT, Param) ->
+ lists:foldl(fun({instance,_,Istats}, Acc) ->
+ {options,Opts} = lists:keyfind(options, 1, Istats),
+ {Param,Val} = lists:keyfind(Param, 1, Opts),
+ {as,Strategy} = lists:keyfind(as, 1, Opts),
+
+ case {param_for_strat(Param, Strategy), Acc} of
+ {false, _} -> Acc;
+ {true, undefined} -> Val;
+ {true, _} ->
+ Val = Acc
+ end
+ end,
+ undefined,
+ erlang:system_info({allocator, AT})).
+
+param_for_strat(sbct, gf) -> false;
+param_for_strat(_, _) -> true.
+
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% Internal functions %%
@@ -151,7 +233,9 @@ drv_case(Config) ->
drv_case(Config, Mode, NodeOpts) when is_list(Config) ->
case os:type() of
{Family, _} when Family == unix; Family == win32 ->
- {ok, Node} = start_node(Config, NodeOpts),
+ %%Prog = {prog,"/my/own/otp/bin/cerl -debug"},
+ Prog = [],
+ {ok, Node} = start_node(Config, NodeOpts, Prog),
Self = self(),
Ref = make_ref(),
spawn_link(Node,
@@ -217,19 +301,35 @@ wait_for_memory_deallocations() ->
end.
print_stats(migration) ->
- {Btot,Ctot} = lists:foldl(fun({instance,Inr,Istats}, {Bacc,Cacc}) ->
- {mbcs,MBCS} = lists:keyfind(mbcs, 1, Istats),
- Btup = lists:keyfind(blocks, 1, MBCS),
- Ctup = lists:keyfind(carriers, 1, MBCS),
- io:format("{instance,~p,~p,~p}\n", [Inr, Btup, Ctup]),
- {tuple_add(Bacc,Btup),tuple_add(Cacc,Ctup)};
- (_, Acc) -> Acc
- end,
- {{blocks,0,0,0},{carriers,0,0,0}},
- erlang:system_info({allocator,test_alloc})),
-
+ IFun = fun({instance,Inr,Istats}, {Bacc,Cacc,Pacc}) ->
+ {mbcs,MBCS} = lists:keyfind(mbcs, 1, Istats),
+ Btup = lists:keyfind(blocks, 1, MBCS),
+ Ctup = lists:keyfind(carriers, 1, MBCS),
+
+ Ptup = case lists:keyfind(mbcs_pool, 1, Istats) of
+ {mbcs_pool,POOL} ->
+ {blocks, Bpool} = lists:keyfind(blocks, 1, POOL),
+ {carriers, Cpool} = lists:keyfind(carriers, 1, POOL),
+ {pool, Bpool, Cpool};
+ false ->
+ {pool, 0, 0}
+ end,
+ io:format("{instance,~p,~p,~p,~p}}\n",
+ [Inr, Btup, Ctup, Ptup]),
+ {tuple_add(Bacc,Btup),tuple_add(Cacc,Ctup),
+ tuple_add(Pacc,Ptup)};
+ (_, Acc) -> Acc
+ end,
+
+ {Btot,Ctot,Ptot} = lists:foldl(IFun,
+ {{blocks,0,0,0},{carriers,0,0,0},{pool,0,0}},
+ erlang:system_info({allocator,test_alloc})),
+
+ {pool, PBtot, PCtot} = Ptot,
io:format("Number of blocks : ~p\n", [Btot]),
- io:format("Number of carriers: ~p\n", [Ctot]);
+ io:format("Number of carriers: ~p\n", [Ctot]),
+ io:format("Number of pooled blocks : ~p\n", [PBtot]),
+ io:format("Number of pooled carriers: ~p\n", [PCtot]);
print_stats(_) -> ok.
tuple_add(T1, T2) ->
@@ -326,13 +426,13 @@ handle_result(_State, Result0) ->
continue
end.
-start_node(Config, Opts) when is_list(Config), is_list(Opts) ->
+start_node(Config, Opts, Prog) when is_list(Config), is_list(Opts) ->
case proplists:get_value(debug,Config) of
true -> {ok, node()};
- _ -> start_node_1(Config, Opts)
+ _ -> start_node_1(Config, Opts, Prog)
end.
-start_node_1(Config, Opts) ->
+start_node_1(Config, Opts, Prog) ->
Pa = filename:dirname(code:which(?MODULE)),
Name = list_to_atom(atom_to_list(?MODULE)
++ "-"
@@ -341,7 +441,11 @@ start_node_1(Config, Opts) ->
++ integer_to_list(erlang:system_time(second))
++ "-"
++ integer_to_list(erlang:unique_integer([positive]))),
- test_server:start_node(Name, slave, [{args, Opts++" -pa "++Pa}]).
+ ErlArg = case Prog of
+ [] -> [];
+ _ -> [{erl,[Prog]}]
+ end,
+ test_server:start_node(Name, slave, [{args, Opts++" -pa "++Pa} | ErlArg]).
stop_node(Node) when Node =:= node() -> ok;
stop_node(Node) ->
diff --git a/erts/emulator/test/alloc_SUITE_data/allocator_test.h b/erts/emulator/test/alloc_SUITE_data/allocator_test.h
index 97ee58cdad..5272f86c98 100644
--- a/erts/emulator/test/alloc_SUITE_data/allocator_test.h
+++ b/erts/emulator/test/alloc_SUITE_data/allocator_test.h
@@ -156,7 +156,8 @@ typedef void* erts_cond;
#define IS_SMP_ENABLED ((int) ALC_TEST0(0xf13))
#define ALLOC_TEST(S) ((void*) ALC_TEST1(0xf14, (S)))
#define FREE_TEST(P) ((void) ALC_TEST1(0xf15, (P)))
-#define SET_TEST_MBC_USER_HEADER(SZ,CMBC,DMBC) ((int)ALC_TEST3(0xf16, (SZ), (CMBC), (DMBC)))
-#define GET_TEST_MBC_SIZE() ((int) ALC_TEST0(0xf17))
+#define REALLOC_TEST(P,S) ((void*) ALC_TEST2(0xf16, (P), (S)))
+#define SET_TEST_MBC_USER_HEADER(SZ,CMBC,DMBC) ((int)ALC_TEST3(0xf17, (SZ), (CMBC), (DMBC)))
+#define GET_TEST_MBC_SIZE() ((int) ALC_TEST0(0xf18))
#endif
diff --git a/erts/emulator/test/alloc_SUITE_data/migration.c b/erts/emulator/test/alloc_SUITE_data/migration.c
index b9a4de03b3..1d974225fc 100644
--- a/erts/emulator/test/alloc_SUITE_data/migration.c
+++ b/erts/emulator/test/alloc_SUITE_data/migration.c
@@ -223,6 +223,42 @@ static int rand_int(MigrationState* state, int low, int high)
return low + (x % (high+1-low));
}
+enum Operation
+{
+ ALLOCATE_OP,
+ FREE_OP,
+ REALLOC_OP,
+ CLEANUP_OP
+};
+
+static enum Operation rand_op(MigrationState* state)
+{
+ int r = rand_int(state, 1, 100);
+ switch (state->phase) {
+ case GROWING:
+ FATAL_ASSERT(state->nblocks < state->max_nblocks);
+ if (r > 10 || state->nblocks == 0)
+ return ALLOCATE_OP;
+ else if (r > 5)
+ return FREE_OP;
+ else
+ return REALLOC_OP;
+
+ case SHRINKING:
+ FATAL_ASSERT(state->nblocks > 0);
+ if (r > 10 || state->nblocks == state->max_nblocks)
+ return FREE_OP;
+ else if (r > 5)
+ return ALLOCATE_OP;
+ else
+ return REALLOC_OP;
+
+ case CLEANUP:
+ return CLEANUP_OP;
+ default:
+ FATAL_ASSERT(!"Invalid op phase");
+ }
+}
static void do_cleanup(TestCaseState_t *tcs, MigrationState* state)
{
@@ -275,53 +311,75 @@ testcase_run(TestCaseState_t *tcs)
state->goal_nblocks = rand_int(state, 1, state->max_nblocks);
}
- switch (state->phase) {
- case GROWING: {
+ switch (rand_op(state)) {
+ case ALLOCATE_OP: {
MyBlock* p;
FATAL_ASSERT(!state->blockv[state->nblocks]);
- p = ALLOC_TEST(rand_int(state, state->block_size/2, state->block_size));
+ p = ALLOC_TEST(rand_int(state, state->block_size/2, state->block_size));
FATAL_ASSERT(p);
add_block(p, state);
- state->blockv[state->nblocks] = p;
- if (++state->nblocks >= state->goal_nblocks) {
- /*testcase_printf(tcs, "%d: Grown to %d blocks", tcs->thr_nr, state->nblocks);*/
- state->phase = SHRINKING;
- state->goal_nblocks = rand_int(state, 0, state->goal_nblocks-1);
- }
- else
- FATAL_ASSERT(!state->blockv[state->nblocks]);
+ state->blockv[state->nblocks++] = p;
break;
}
- case SHRINKING: {
+ case FREE_OP: {
int ix = rand_int(state, 0, state->nblocks-1);
FATAL_ASSERT(state->blockv[ix]);
remove_block(state->blockv[ix]);
FREE_TEST(state->blockv[ix]);
state->blockv[ix] = state->blockv[--state->nblocks];
state->blockv[state->nblocks] = NULL;
-
- if (state->nblocks <= state->goal_nblocks) {
- /*testcase_printf(tcs, "%d: Shrunk to %d blocks", tcs->thr_nr, state->nblocks);*/
- if (++state->round >= MAX_ROUNDS) {
- state->phase = CLEANUP;
- } else {
- state->phase = GROWING;
- state->goal_nblocks = rand_int(state, state->goal_nblocks+1, state->max_nblocks);
- }
- }
break;
}
+ case REALLOC_OP: {
+ int ix = rand_int(state, 0, state->nblocks-1);
+ MyBlock* p;
+ FATAL_ASSERT(state->blockv[ix]);
+ remove_block(state->blockv[ix]);
+ p = REALLOC_TEST(state->blockv[ix], rand_int(state, state->block_size/2, state->block_size));
+ FATAL_ASSERT(p);
+ add_block(p, state);
+ state->blockv[ix] = p;
+ break;
+ }
+ case CLEANUP_OP:
+ do_cleanup(tcs, state);
+ break;
+ default:
+ FATAL_ASSERT(!"Invalid operation");
+ }
+
+ switch (state->phase) {
+ case GROWING: {
+ if (state->nblocks >= state->goal_nblocks) {
+ /*testcase_printf(tcs, "%d: Grown to %d blocks", tcs->thr_nr, state->nblocks);*/
+ state->phase = SHRINKING;
+ state->goal_nblocks = rand_int(state, 0, state->goal_nblocks-1);
+ }
+ else
+ FATAL_ASSERT(!state->blockv[state->nblocks]);
+ break;
+ }
+ case SHRINKING: {
+ if (state->nblocks <= state->goal_nblocks) {
+ /*testcase_printf(tcs, "%d: Shrunk to %d blocks", tcs->thr_nr, state->nblocks);*/
+ if (++state->round >= MAX_ROUNDS) {
+ state->phase = CLEANUP;
+ } else {
+ state->phase = GROWING;
+ state->goal_nblocks = rand_int(state, state->goal_nblocks+1, state->max_nblocks);
+ }
+ }
+ break;
+ }
case CLEANUP:
- do_cleanup(tcs, state);
- break;
+ case DONE:
+ break;
default:
FATAL_ASSERT(!"Invalid phase");
}
- if (state->phase == DONE) {
- }
- else {
+ if (state->phase != DONE) {
testcase_continue(tcs);
}
}
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index 4bc1838139..a3c3daac15 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -262,6 +262,7 @@ test_deep_bitstr(List) ->
{Bin,bitstring_to_list(Bin)}.
bad_list_to_binary(Config) when is_list(Config) ->
+ test_bad_bin(<<1:1>>),
test_bad_bin(atom),
test_bad_bin(42),
test_bad_bin([1|2]),
diff --git a/erts/emulator/test/efile_SUITE.erl b/erts/emulator/test/efile_SUITE.erl
index 16d581a567..821381bf0d 100644
--- a/erts/emulator/test/efile_SUITE.erl
+++ b/erts/emulator/test/efile_SUITE.erl
@@ -46,14 +46,14 @@ iter_max_files_1(Config) ->
DataDir = proplists:get_value(data_dir,Config),
TestFile = filename:join(DataDir, "existing_file"),
N = 10,
- %% Run on a different node in order to set the max ports
+ %% Run on a different node in order to make the test more stable.
Dir = filename:dirname(code:which(?MODULE)),
{ok,Node} = test_server:start_node(test_iter_max_files,slave,
- [{args,"+Q 1524 -pa " ++ Dir}]),
+ [{args,"-pa " ++ Dir}]),
L = rpc:call(Node,?MODULE,do_iter_max_files,[N, TestFile]),
test_server:stop_node(Node),
io:format("Number of files opened in each test:~n~w\n", [L]),
- all_equal(L),
+ verify_max_files(L),
Head = hd(L),
if Head >= 2 -> ok;
true -> ct:fail(too_few_files)
@@ -65,12 +65,15 @@ do_iter_max_files(N, Name) when N > 0 ->
do_iter_max_files(_, _) ->
[].
-all_equal([E, E| T]) ->
- all_equal([E| T]);
-all_equal([_]) ->
- ok;
-all_equal([]) ->
- ok.
+%% The attempts shouldn't vary too much; we used to require that they were all
+%% exactly equal, but after we reimplemented the file driver as a NIF we
+%% noticed that the only reason it was stable on Darwin was because the port
+%% limit was hit before ulimit.
+verify_max_files(Attempts) ->
+ N = length(Attempts),
+ Mean = lists:sum(Attempts) / N,
+ Variance = lists:sum([(X - Mean) * (X - Mean) || X <- Attempts]) / N,
+ true = math:sqrt(Variance) =< 1 + (Mean / 1000).
max_files(Name) ->
Fds = open_files(Name),
diff --git a/erts/emulator/test/iovec_SUITE.erl b/erts/emulator/test/iovec_SUITE.erl
index 49dc64b0d2..963b7e2501 100644
--- a/erts/emulator/test/iovec_SUITE.erl
+++ b/erts/emulator/test/iovec_SUITE.erl
@@ -25,7 +25,8 @@
-export([integer_lists/1, binary_lists/1, empty_lists/1, empty_binary_lists/1,
mixed_lists/1, improper_lists/1, illegal_lists/1, cons_bomb/1,
sub_binary_lists/1, iolist_to_iovec_idempotence/1,
- iolist_to_iovec_correctness/1]).
+ iolist_to_iovec_correctness/1, unaligned_sub_binaries/1,
+ direct_binary_arg/1]).
-include_lib("common_test/include/ct.hrl").
@@ -36,7 +37,8 @@ suite() ->
all() ->
[integer_lists, binary_lists, empty_lists, empty_binary_lists, mixed_lists,
sub_binary_lists, illegal_lists, improper_lists, cons_bomb,
- iolist_to_iovec_idempotence, iolist_to_iovec_correctness].
+ iolist_to_iovec_idempotence, iolist_to_iovec_correctness,
+ unaligned_sub_binaries, direct_binary_arg].
init_per_suite(Config) ->
Config.
@@ -78,7 +80,7 @@ illegal_lists(Config) when is_list(Config) ->
BitStrs = gen_variations(["gurka", <<1:1>>, "gaffel"]),
BadInts = gen_variations(["gurka", 890, "gaffel"]),
Atoms = gen_variations([gurka, "gaffel"]),
- BadTails = [["test" | 0], ["gurka", gaffel]],
+ BadTails = [["test" | 0], ["gurka" | gaffel], ["gaffel" | <<1:1>>]],
Variations =
BitStrs ++ BadInts ++ Atoms ++ BadTails,
@@ -98,14 +100,7 @@ cons_bomb(Config) when is_list(Config) ->
BinBase = gen_variations([<<I:8>> || I <- lists:seq(1, 255)]),
MixBase = gen_variations([<<12, 45, 78>>, lists:seq(1, 255)]),
- Rounds =
- case system_mem_size() of
- Mem when Mem >= (16 bsl 30) -> 32;
- Mem when Mem >= (3 bsl 30) -> 28;
- _ -> 20
- end,
-
- Variations = gen_variations([IntBase, BinBase, MixBase], Rounds),
+ Variations = gen_variations([IntBase, BinBase, MixBase], 16),
equivalence_test(fun erlang:iolist_to_iovec/1, Variations).
iolist_to_iovec_idempotence(Config) when is_list(Config) ->
@@ -130,6 +125,21 @@ iolist_to_iovec_correctness(Config) when is_list(Config) ->
true = is_iolist_equal(Optimized, Variations),
ok.
+unaligned_sub_binaries(Config) when is_list(Config) ->
+ UnalignedBins = [gen_unaligned_binary(I) || I <- lists:seq(32, 4 bsl 10, 512)],
+ UnalignedVariations = gen_variations(UnalignedBins),
+
+ Optimized = erlang:iolist_to_iovec(UnalignedVariations),
+
+ true = is_iolist_equal(Optimized, UnalignedVariations),
+ ok.
+
+direct_binary_arg(Config) when is_list(Config) ->
+ {'EXIT',{badarg, _}} = (catch erlang:iolist_to_iovec(<<1:1>>)),
+ [<<1>>] = erlang:iolist_to_iovec(<<1>>),
+ [] = erlang:iolist_to_iovec(<<>>),
+ ok.
+
illegality_test(Fun, Variations) ->
[{'EXIT',{badarg, _}} = (catch Fun(Variation)) || Variation <- Variations],
ok.
@@ -145,11 +155,18 @@ equivalence_test(Fun, [Head | _] = Variations) ->
is_iolist_equal(A, B) ->
iolist_to_binary(A) =:= iolist_to_binary(B).
+gen_unaligned_binary(Size) ->
+ Bin0 = << <<I>> || I <- lists:seq(1, Size) >>,
+ <<0:3,Bin:Size/binary,31:5>> = id(<<0:3,Bin0/binary,31:5>>),
+ Bin.
+
+id(I) -> I.
+
%% Generates a bunch of lists whose contents will be equal to Base repeated a
%% few times. The lists only differ by their structure, so their reduction to
%% a simpler format should yield the same result.
gen_variations(Base) ->
- gen_variations(Base, 16).
+ gen_variations(Base, 12).
gen_variations(Base, N) ->
[gen_flat_list(Base, N),
gen_nested_list(Base, N),
@@ -169,8 +186,3 @@ gen_nasty_list_1([Head | Base], Result) when is_list(Head) ->
gen_nasty_list_1(Base, [[Result], [gen_nasty_list_1(Head, [])]]);
gen_nasty_list_1([Head | Base], Result) ->
gen_nasty_list_1(Base, [[Result], [Head]]).
-
-system_mem_size() ->
- application:ensure_all_started(os_mon),
- {Tot,_Used,_} = memsup:get_memory_data(),
- Tot.
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 85c302e310..b6e15ababb 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -3049,8 +3049,24 @@ nif_ioq(Config) ->
{peek_head, a},
{peek, a},
- %% Test to enqueue a bunch of refc binaries
+ %% Ensure that enqueued refc binaries are intact after a roundtrip.
+ %%
+ %% This test and the ones immediately following it does not go through
+ %% erlang:iolist_to_iovec/1
{enqv, a, [nif_ioq_payload(refcbin) || _ <- lists:seq(1,20)], 0},
+ {peek, a},
+
+ %% ... heap binaries
+ {enqv, a, [nif_ioq_payload(heapbin) || _ <- lists:seq(1,20)], 0},
+ {peek, a},
+
+ %% ... plain sub-binaries
+ {enqv, a, [nif_ioq_payload(subbin) || _ <- lists:seq(1,20)], 0},
+ {peek, a},
+
+ %% ... unaligned binaries
+ {enqv, a, [nif_ioq_payload(unaligned_bin) || _ <- lists:seq(1,20)], 0},
+ {peek, a},
%% Enq stuff to destroy with data in queue
{enqv, a, 2, 100},
@@ -3206,13 +3222,16 @@ nif_ioq_payload(N) when is_integer(N) ->
Tail = if N > 3 -> nif_ioq_payload(N-3); true -> [] end,
Head = element(1, lists:split(N,[nif_ioq_payload(subbin),
nif_ioq_payload(heapbin),
- nif_ioq_payload(refcbin) | Tail])),
+ nif_ioq_payload(refcbin),
+ nif_ioq_payload(unaligned_bin) | Tail])),
erlang:iolist_to_iovec(Head);
nif_ioq_payload(subbin) ->
Bin = nif_ioq_payload(refcbin),
Sz = size(Bin) - 1,
<<_:8,SubBin:Sz/binary,_/bits>> = Bin,
SubBin;
+nif_ioq_payload(unaligned_bin) ->
+ make_unaligned_binary(<< <<I>> || I <- lists:seq(1, 255) >>);
nif_ioq_payload(heapbin) ->
<<"a literal heap binary">>;
nif_ioq_payload(refcbin) ->
@@ -3220,6 +3239,13 @@ nif_ioq_payload(refcbin) ->
nif_ioq_payload(Else) ->
Else.
+make_unaligned_binary(Bin0) ->
+ Size = byte_size(Bin0),
+ <<0:3,Bin:Size/binary,31:5>> = id(<<0:3,Bin0/binary,31:5>>),
+ Bin.
+
+id(I) -> I.
+
%% The NIFs:
lib_version() -> undefined.
call_history() -> ?nif_stub.
diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c
index f7c8c27d53..f7774c6e2e 100644
--- a/erts/etc/common/erlexec.c
+++ b/erts/etc/common/erlexec.c
@@ -80,6 +80,8 @@ static char *plusM_au_alloc_switches[] = {
"as",
"asbcst",
"acul",
+ "acnl",
+ "acfml",
"e",
"t",
"lmbcs",
diff --git a/erts/etc/common/inet_gethost.c b/erts/etc/common/inet_gethost.c
index b746487668..4fc7a93348 100644
--- a/erts/etc/common/inet_gethost.c
+++ b/erts/etc/common/inet_gethost.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1998-2017. All Rights Reserved.
+ * Copyright Ericsson AB 1998-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -1770,7 +1770,7 @@ static int worker_loop(void)
}
#elif defined(HAVE_GETIPNODEBYNAME) /*#ifdef HAVE_GETADDRINFO */
DEBUGF(5,("Starting getipnodebyname(%s)",data));
- he = getipnodebyname(data, AF_INET6, AI_DEFAULT, &error_num);
+ he = getipnodebyname(data, AF_INET6, 0, &error_num);
if (he) {
free_he = 1;
error_num = 0;
diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in
index 95e065b156..02ace9126c 100644
--- a/erts/etc/unix/etp-commands.in
+++ b/erts/etc/unix/etp-commands.in
@@ -1693,7 +1693,7 @@ define etp-proc-state-int
printf "dirty-cpu-proc | "
end
if ($arg0 & 0x2000000)
- printf "on-heap-msgq | "
+ printf "GARBAGE<0x2000000> | "
end
if ($arg0 & 0x1000000)
printf "off-heap-msgq | "
@@ -1717,7 +1717,7 @@ define etp-proc-state-int
printf "trapping-exit | "
end
if ($arg0 & 0x40000)
- printf "bound | "
+ printf "GARBAGE<0x40000> | "
end
if ($arg0 & 0x20000)
printf "garbage-collecting | "
diff --git a/erts/lib_src/common/erl_printf_format.c b/erts/lib_src/common/erl_printf_format.c
index 3302083288..5a680d6f9d 100644
--- a/erts/lib_src/common/erl_printf_format.c
+++ b/erts/lib_src/common/erl_printf_format.c
@@ -326,7 +326,7 @@ static int fmt_double(fmtfn_t fn,void*arg,double val,
{
int res;
int fi = 0;
- char format_str[7];
+ char format_str[8];
char sbuf[32];
char *bufp = sbuf;
double dexp;
diff --git a/erts/preloaded/ebin/erl_prim_loader.beam b/erts/preloaded/ebin/erl_prim_loader.beam
index 2d86dd3843..02e77bfbb2 100644
--- a/erts/preloaded/ebin/erl_prim_loader.beam
+++ b/erts/preloaded/ebin/erl_prim_loader.beam
Binary files differ
diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam
index f0da8b5869..cf4b5c56ea 100644
--- a/erts/preloaded/ebin/erlang.beam
+++ b/erts/preloaded/ebin/erlang.beam
Binary files differ
diff --git a/erts/preloaded/src/erl_prim_loader.erl b/erts/preloaded/src/erl_prim_loader.erl
index d16fe5a0bc..b82b9f5b46 100644
--- a/erts/preloaded/src/erl_prim_loader.erl
+++ b/erts/preloaded/src/erl_prim_loader.erl
@@ -56,7 +56,7 @@
-export([purge_archive_cache/0]).
%% Used by init and the code server.
--export([get_modules/2,get_modules/3]).
+-export([get_modules/2,get_modules/3, is_basename/1]).
-include_lib("kernel/include/file.hrl").
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index 278a485a01..370ecdc3f6 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -2403,6 +2403,10 @@ subtract(_,_) ->
OldDirtyCPUSchedulersOnline when
DirtyCPUSchedulersOnline :: pos_integer(),
OldDirtyCPUSchedulersOnline :: pos_integer();
+ (erts_alloc, {Alloc, F, V}) -> ok | notsup when
+ Alloc :: atom(),
+ F :: atom(),
+ V :: integer();
(fullsweep_after, Number) -> OldNumber when
Number :: non_neg_integer(),
OldNumber :: non_neg_integer();
@@ -2559,10 +2563,10 @@ tuple_to_list(_Tuple) ->
Settings :: [{Subsystem :: atom(),
[{Parameter :: atom(),
Value :: term()}]}];
- (alloc_util_allocators) -> [Alloc] when
- Alloc :: atom();
({allocator, Alloc}) -> [_] when %% More or less anything
Alloc :: atom();
+ (alloc_util_allocators) -> [Alloc] when
+ Alloc :: atom();
({allocator_sizes, Alloc}) -> [_] when %% More or less anything
Alloc :: atom();
(atom_count) -> pos_integer();
@@ -2589,6 +2593,7 @@ tuple_to_list(_Tuple) ->
(driver_version) -> string();
(dynamic_trace) -> none | dtrace | systemtap;
(dynamic_trace_probes) -> boolean();
+ (end_time) -> non_neg_integer();
(elib_malloc) -> false;
(eager_check_io) -> boolean();
(ets_limit) -> pos_integer();
@@ -2616,6 +2621,7 @@ tuple_to_list(_Tuple) ->
(otp_release) -> string();
(os_monotonic_time_source) -> [{atom(),term()}];
(os_system_time_source) -> [{atom(),term()}];
+ (port_parallelism) -> boolean();
(port_count) -> non_neg_integer();
(port_limit) -> pos_integer();
(process_count) -> pos_integer();
@@ -2645,7 +2651,8 @@ tuple_to_list(_Tuple) ->
(trace_control_word) -> non_neg_integer();
(update_cpu_info) -> changed | unchanged;
(version) -> string();
- (wordsize | {wordsize, internal} | {wordsize, external}) -> 4 | 8.
+ (wordsize | {wordsize, internal} | {wordsize, external}) -> 4 | 8;
+ (overview) -> boolean().
system_info(_Item) ->
erlang:nif_error(undefined).
@@ -3730,15 +3737,14 @@ memory_is_supported() ->
get_blocks_size([{blocks_size, Sz, _, _} | Rest], Acc) ->
get_blocks_size(Rest, Acc+Sz);
-get_blocks_size([{_, _, _, _} | Rest], Acc) ->
- get_blocks_size(Rest, Acc);
get_blocks_size([{blocks_size, Sz} | Rest], Acc) ->
get_blocks_size(Rest, Acc+Sz);
-get_blocks_size([{_, _} | Rest], Acc) ->
+get_blocks_size([_ | Rest], Acc) ->
get_blocks_size(Rest, Acc);
get_blocks_size([], Acc) ->
Acc.
+
blocks_size([{Carriers, SizeList} | Rest], Acc) when Carriers == mbcs;
Carriers == mbcs_pool;
Carriers == sbcs ->
diff --git a/erts/test/z_SUITE.erl b/erts/test/z_SUITE.erl
index b3d0ba20bc..bb1afecafc 100644
--- a/erts/test/z_SUITE.erl
+++ b/erts/test/z_SUITE.erl
@@ -40,7 +40,7 @@
suite() ->
[{ct_hooks,[ts_install_cth]},
- {timetrap, {minutes, 5}}].
+ {timetrap, {minutes, 10}}].
all() ->
[core_files].
diff --git a/erts/vsn.mk b/erts/vsn.mk
index 8b22afea3b..50b77fdbc0 100644
--- a/erts/vsn.mk
+++ b/erts/vsn.mk
@@ -18,7 +18,7 @@
# %CopyrightEnd%
#
-VSN = 9.2
+VSN = 9.2.1
# Port number 4365 in 4.2
# Port number 4366 in 4.3
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl
index 82e9326294..c09b0f47d1 100644
--- a/lib/asn1/src/asn1ct_gen_per.erl
+++ b/lib/asn1/src/asn1ct_gen_per.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -47,14 +47,20 @@ dialyzer_suppressions(#gen{erule=per,aligned=Aligned}) ->
false -> uper;
true -> per
end,
- case asn1ct_func:is_used({Mod,complete,1}) of
+ suppress({Mod,complete,1}),
+ suppress({per_common,to_bitstring,2}),
+ emit([" ok.",nl]).
+
+suppress({M,F,A}=MFA) ->
+ case asn1ct_func:is_used(MFA) of
false ->
ok;
true ->
- emit([" _ = complete(Arg),",nl])
- end,
- emit([" ok.",nl]).
-
+ Args =
+ [lists:concat(["element(",I,", Arg)"])
+ || I <- lists:seq(1, A)],
+ emit([" ",{call,M,F,Args},com,nl])
+ end.
gen_encode(Erules,Type) when is_record(Type,typedef) ->
gen_encode_user(Erules,Type).
diff --git a/lib/compiler/src/beam_block.erl b/lib/compiler/src/beam_block.erl
index 9543aa1355..8cd271e1dc 100644
--- a/lib/compiler/src/beam_block.erl
+++ b/lib/compiler/src/beam_block.erl
@@ -36,13 +36,11 @@ module({Mod,Exp,Attr,Fs0,Lc}, Opts) ->
function({function,Name,Arity,CLabel,Is0}, Blockify) ->
try
%% Collect basic blocks and optimize them.
- Is2 = case Blockify of
- true ->
- Is1 = blockify(Is0),
- embed_lines(Is1);
- false ->
- Is0
+ Is1 = case Blockify of
+ false -> Is0;
+ true -> blockify(Is0)
end,
+ Is2 = embed_lines(Is1),
Is3 = local_cse(Is2),
Is4 = beam_utils:anno_defs(Is3),
Is5 = move_allocates(Is4),
@@ -139,6 +137,11 @@ embed_lines([{block,B2},{line,_}=Line,{block,B1}|T], Acc) ->
embed_lines([{block,B1},{line,_}=Line|T], Acc) ->
B = {block,[{set,[],[],Line}|B1]},
embed_lines([B|T], Acc);
+embed_lines([{block,B2},{block,B1}|T], Acc) ->
+ %% This can only happen when beam_block is run for
+ %% the second time.
+ B = {block,B1++B2},
+ embed_lines([B|T], Acc);
embed_lines([I|Is], Acc) ->
embed_lines(Is, [I|Acc]);
embed_lines([], Acc) -> Acc.
@@ -206,7 +209,7 @@ move_allocates([]) -> [].
move_allocates_1([{'%anno',_}|Is], Acc) ->
move_allocates_1(Is, Acc);
-move_allocates_1([I|Is], [{set,[],[],{alloc,Live0,Info}}|Acc]=Acc0) ->
+move_allocates_1([I|Is], [{set,[],[],{alloc,Live0,Info0}}|Acc]=Acc0) ->
case alloc_may_pass(I) of
false ->
move_allocates_1(Is, [I|Acc0]);
@@ -215,6 +218,7 @@ move_allocates_1([I|Is], [{set,[],[],{alloc,Live0,Info}}|Acc]=Acc0) ->
not_possible ->
move_allocates_1(Is, [I|Acc0]);
Live when is_integer(Live) ->
+ Info = safe_info(Info0),
A = {set,[],[],{alloc,Live,Info}},
move_allocates_1(Is, [A,I|Acc])
end
@@ -230,6 +234,13 @@ alloc_may_pass({set,_,_,put_list}) -> false;
alloc_may_pass({set,_,_,put}) -> false;
alloc_may_pass({set,_,_,_}) -> true.
+safe_info({nozero,Stack,Heap,_}) ->
+ %% nozero is not safe if the allocation instruction is moved
+ %% upwards past an instruction that may throw an exception
+ %% (such as element/2).
+ {zero,Stack,Heap,[]};
+safe_info(Info) -> Info.
+
%% opt([Instruction]) -> [Instruction]
%% Optimize the instruction stream inside a basic block.
@@ -352,10 +363,18 @@ opt_tuple_element_1([{set,[D],[S],move}|Is0], I0, {_,S}, Acc) ->
case eliminate_use_of_from_reg(Is0, S, D) of
no ->
no;
- {yes,Is} ->
+ {yes,Is1} ->
{set,[S],Ss,Op} = I0,
I = {set,[D],Ss,Op},
- {yes,reverse(Acc, [I|Is])}
+ case opt_move_rev(S, Acc, [I|Is1]) of
+ not_possible ->
+ %% Not safe because the move of the
+ %% get_tuple_element instruction would cause the
+ %% result of a previous instruction to be ignored.
+ no;
+ {_,Is} ->
+ {yes,Is}
+ end
end;
opt_tuple_element_1([{set,Ds,Ss,_}=I|Is], MovedI, {S,D}=Regs, Acc) ->
case member(S, Ds) orelse member(D, Ss) of
@@ -620,7 +639,13 @@ cse_find(Expr, Es) ->
end.
cse_expr({set,[D],Ss,{bif,N,_}}) ->
- {ok,D,{{bif,N},Ss}};
+ case D of
+ {fr,_} ->
+ %% There are too many things that can go wrong.
+ none;
+ _ ->
+ {ok,D,{{bif,N},Ss}}
+ end;
cse_expr({set,[D],Ss,{alloc,_,{gc_bif,N,_}}}) ->
{ok,D,{{gc_bif,N},Ss}};
cse_expr({set,[D],Ss,put_list}) ->
diff --git a/lib/compiler/src/beam_clean.erl b/lib/compiler/src/beam_clean.erl
index e094c2c320..7ddf9fa2e2 100644
--- a/lib/compiler/src/beam_clean.erl
+++ b/lib/compiler/src/beam_clean.erl
@@ -24,7 +24,7 @@
-export([module/2]).
-export([bs_clean_saves/1]).
-export([clean_labels/1]).
--import(lists, [foldl/3,reverse/1,filter/2]).
+-import(lists, [foldl/3,reverse/1]).
-spec module(beam_utils:module_code(), [compile:option()]) ->
{'ok',beam_utils:module_code()}.
@@ -303,8 +303,21 @@ maybe_remove_lines(Fs, Opts) ->
end.
remove_lines([{function,N,A,Lbl,Is0}|T]) ->
- Is = filter(fun({line,_}) -> false;
- (_) -> true
- end, Is0),
+ Is = remove_lines_fun(Is0),
[{function,N,A,Lbl,Is}|remove_lines(T)];
remove_lines([]) -> [].
+
+remove_lines_fun([{line,_}|Is]) ->
+ remove_lines_fun(Is);
+remove_lines_fun([{block,Bl0}|Is]) ->
+ Bl = remove_lines_block(Bl0),
+ [{block,Bl}|remove_lines_fun(Is)];
+remove_lines_fun([I|Is]) ->
+ [I|remove_lines_fun(Is)];
+remove_lines_fun([]) -> [].
+
+remove_lines_block([{set,_,_,{line,_}}|Is]) ->
+ remove_lines_block(Is);
+remove_lines_block([I|Is]) ->
+ [I|remove_lines_block(Is)];
+remove_lines_block([]) -> [].
diff --git a/lib/compiler/src/beam_flatten.erl b/lib/compiler/src/beam_flatten.erl
index 4045ab6dc5..c60211f516 100644
--- a/lib/compiler/src/beam_flatten.erl
+++ b/lib/compiler/src/beam_flatten.erl
@@ -73,7 +73,8 @@ norm({set,[D],[S|Puts],{alloc,R,{put_map,Op,F}}}) ->
{put_map,F,Op,S,D,R,{list,Puts}};
norm({set,[],[],remove_message}) -> remove_message;
norm({set,[],[],fclearerror}) -> fclearerror;
-norm({set,[],[],fcheckerror}) -> {fcheckerror,{f,0}}.
+norm({set,[],[],fcheckerror}) -> {fcheckerror,{f,0}};
+norm({set,[],[],{line,_}=Line}) -> Line.
norm_allocate({_Zero,nostack,Nh,[]}, Regs) ->
[{test_heap,Nh,Regs}];
diff --git a/lib/compiler/src/beam_split.erl b/lib/compiler/src/beam_split.erl
index d041f18806..52dd89b5bb 100644
--- a/lib/compiler/src/beam_split.erl
+++ b/lib/compiler/src/beam_split.erl
@@ -50,8 +50,9 @@ split_block([{set,[R],[_,_,_]=As,{bif,is_record,{f,Lbl}}}|Is], Bl, Acc) ->
split_block(Is, [], [{bif,is_record,{f,Lbl},As,R}|make_block(Bl, Acc)]);
split_block([{set,[R],As,{bif,N,{f,Lbl}=Fail}}|Is], Bl, Acc) when Lbl =/= 0 ->
split_block(Is, [], [{bif,N,Fail,As,R}|make_block(Bl, Acc)]);
-split_block([{set,[R],As,{bif,raise,{f,_}=Fail}}|Is], Bl, Acc) ->
- split_block(Is, [], [{bif,raise,Fail,As,R}|make_block(Bl, Acc)]);
+split_block([{set,[],[],{line,_}=Line},
+ {set,[R],As,{bif,raise,{f,_}=Fail}}|Is], Bl, Acc) ->
+ split_block(Is, [], [{bif,raise,Fail,As,R},Line|make_block(Bl, Acc)]);
split_block([{set,[R],As,{alloc,Live,{gc_bif,N,{f,Lbl}=Fail}}}|Is], Bl, Acc)
when Lbl =/= 0 ->
split_block(Is, [], [{gc_bif,N,Fail,Live,As,R}|make_block(Bl, Acc)]);
@@ -61,8 +62,6 @@ split_block([{set,[D],[S|Puts],{alloc,R,{put_map,Op,{f,Lbl}=Fail}}}|Is],
make_block(Bl, Acc)]);
split_block([{set,[R],[],{try_catch,Op,L}}|Is], Bl, Acc) ->
split_block(Is, [], [{Op,R,L}|make_block(Bl, Acc)]);
-split_block([{set,[],[],{line,_}=Line}|Is], Bl, Acc) ->
- split_block(Is, [], [Line|make_block(Bl, Acc)]);
split_block([I|Is], Bl, Acc) ->
split_block(Is, [I|Bl], Acc);
split_block([], Bl, Acc) -> make_block(Bl, Acc).
diff --git a/lib/compiler/src/beam_type.erl b/lib/compiler/src/beam_type.erl
index b83ed17b55..28f36db399 100644
--- a/lib/compiler/src/beam_type.erl
+++ b/lib/compiler/src/beam_type.erl
@@ -17,14 +17,15 @@
%%
%% %CopyrightEnd%
%%
-%% Purpose : Type-based optimisations.
+%% Purpose: Type-based optimisations. See the comment for verified_type/1
+%% the very end of this file for a description of the types in the
+%% type database.
-module(beam_type).
-export([module/2]).
--import(lists, [filter/2,foldl/3,keyfind/3,member/2,
- reverse/1,reverse/2,sort/1]).
+-import(lists, [foldl/3,member/2,reverse/1,reverse/2,sort/1]).
-define(UNICODE_INT, {integer,{0,16#10FFFF}}).
@@ -93,22 +94,28 @@ simplify_basic([I0|Is], Ts0, Acc) ->
simplify_basic([], Ts, Acc) ->
{reverse(Acc),Ts}.
+%% simplify_instr(Instruction, Ts) -> [Instruction].
+
+%% Simplify a simple instruction using type information. Return an
+%% empty list if the instruction should be removed, or a list with
+%% the original or modified instruction.
+
simplify_instr({set,[D],[{integer,Index},Reg],{bif,element,_}}=I, Ts) ->
case max_tuple_size(Reg, Ts) of
Sz when 0 < Index, Index =< Sz ->
[{set,[D],[Reg],{get_tuple_element,Index-1}}];
_ -> [I]
end;
-simplify_instr({test,is_atom,_,[R]}=I, Ts) ->
- case tdb_find(R, Ts) of
- boolean -> [];
- _ -> [I]
- end;
-simplify_instr({test,is_integer,_,[R]}=I, Ts) ->
+simplify_instr({test,Test,Fail,[R]}=I, Ts) ->
case tdb_find(R, Ts) of
- integer -> [];
- {integer,_} -> [];
- _ -> [I]
+ any ->
+ [I];
+ Type ->
+ case will_succeed(Test, Type) of
+ yes -> [];
+ no -> [{jump,Fail}];
+ maybe -> [I]
+ end
end;
simplify_instr({set,[D],[TupleReg],{get_tuple_element,0}}=I, Ts) ->
case tdb_find(TupleReg, Ts) of
@@ -117,31 +124,17 @@ simplify_instr({set,[D],[TupleReg],{get_tuple_element,0}}=I, Ts) ->
_ ->
[I]
end;
-simplify_instr({test,is_tuple,_,[R]}=I, Ts) ->
- case tdb_find(R, Ts) of
- {tuple,_,_,_} -> [];
- _ -> [I]
- end;
simplify_instr({test,test_arity,_,[R,Arity]}=I, Ts) ->
case tdb_find(R, Ts) of
{tuple,exact_size,Arity,_} -> [];
_ -> [I]
end;
-simplify_instr({test,is_map,_,[R]}=I, Ts) ->
- case tdb_find(R, Ts) of
- map -> [];
- _ -> [I]
- end;
-simplify_instr({test,is_nonempty_list,_,[R]}=I, Ts) ->
- case tdb_find(R, Ts) of
- nonempty_list -> [];
- _ -> [I]
- end;
-simplify_instr({test,is_eq_exact,Fail,[R,{atom,_}=Atom]}=I, Ts) ->
+simplify_instr({test,is_eq_exact,Fail,[R,{atom,A}=Atom]}=I, Ts) ->
case tdb_find(R, Ts) of
{atom,_}=Atom -> [];
- {atom,_} -> [{jump,Fail}];
- _ -> [I]
+ boolean when is_boolean(A) -> [I];
+ any -> [I];
+ _ -> [{jump,Fail}]
end;
simplify_instr({test,is_record,_,[R,{atom,_}=Tag,{integer,Arity}]}=I, Ts) ->
case tdb_find(R, Ts) of
@@ -162,16 +155,6 @@ simplify_instr({test,bs_test_unit,_,[Src,Unit]}=I, Ts) ->
{binary,U} when U rem Unit =:= 0 -> [];
_ -> [I]
end;
-simplify_instr({test,is_binary,_,[Src]}=I, Ts) ->
- case tdb_find(Src, Ts) of
- {binary,U} when U rem 8 =:= 0 -> [];
- _ -> [I]
- end;
-simplify_instr({test,is_bitstr,_,[Src]}=I, Ts) ->
- case tdb_find(Src, Ts) of
- {binary,_} -> [];
- _ -> [I]
- end;
simplify_instr(I, _) -> [I].
simplify_select_val_int({select,select_val,R,_,L0}=I, {Min,Max}) ->
@@ -200,6 +183,53 @@ eq_ranges([H], H, H) -> true;
eq_ranges([H|T], H, Max) -> eq_ranges(T, H+1, Max);
eq_ranges(_, _, _) -> false.
+%% will_succeed(TestOperation, Type) -> yes|no|maybe.
+%% Test whether TestOperation applied to an argument of type Type
+%% will succeed. Return yes, no, or maybe.
+%%
+%% Type is a type as described in the comment for verified_type/1 at
+%% the very end of this file, but it will *never* be 'any'.
+
+will_succeed(is_atom, Type) ->
+ case Type of
+ {atom,_} -> yes;
+ boolean -> yes;
+ _ -> no
+ end;
+will_succeed(is_binary, Type) ->
+ case Type of
+ {binary,U} when U rem 8 =:= 0 -> yes;
+ {binary,_} -> maybe;
+ _ -> no
+ end;
+will_succeed(is_bitstr, Type) ->
+ case Type of
+ {binary,_} -> yes;
+ _ -> no
+ end;
+will_succeed(is_integer, Type) ->
+ case Type of
+ integer -> yes;
+ {integer,_} -> yes;
+ _ -> no
+ end;
+will_succeed(is_map, Type) ->
+ case Type of
+ map -> yes;
+ _ -> no
+ end;
+will_succeed(is_nonempty_list, Type) ->
+ case Type of
+ nonempty_list -> yes;
+ _ -> no
+ end;
+will_succeed(is_tuple, Type) ->
+ case Type of
+ {tuple,_,_,_} -> yes;
+ _ -> no
+ end;
+will_succeed(_, _) -> maybe.
+
%% simplify_float([Instruction], TypeDatabase) ->
%% {[Instruction],TypeDatabase'} | not_possible
%% Simplify floating point operations in blocks.
@@ -229,7 +259,7 @@ simplify_float_1([{set,[D0],[A0],{alloc,_,{gc_bif,'-',{f,0}}}}=I|Is]=Is0,
{D,Rs} = find_dest(D0, Rs1),
Areg = fetch_reg(A, Rs),
Acc = [{set,[D],[Areg],{bif,fnegate,{f,0}}}|clearerror(Acc1)],
- Ts = tdb_update([{D0,float}], Ts0),
+ Ts = tdb_store(D0, float, Ts0),
simplify_float_1(Is, Ts, Rs, Acc);
_Other ->
Ts = update(I, Ts0),
@@ -252,7 +282,7 @@ simplify_float_1([{set,[D0],[A0,B0],{alloc,_,{gc_bif,Op0,{f,0}}}}=I|Is]=Is0,
Areg = fetch_reg(A, Rs),
Breg = fetch_reg(B, Rs),
Acc = [{set,[D],[Areg,Breg],{bif,Op,{f,0}}}|clearerror(Acc2)],
- Ts = tdb_update([{D0,float}], Ts0),
+ Ts = tdb_store(D0, float, Ts0),
simplify_float_1(Is, Ts, Rs, Acc)
end;
simplify_float_1([{set,_,_,{try_catch,_,_}}=I|Is]=Is0, _Ts, Rs0, Acc0) ->
@@ -425,104 +455,100 @@ update({'%anno',_}, Ts) ->
Ts;
update({set,[D],[S],move}, Ts) ->
tdb_copy(S, D, Ts);
-update({set,[D],[{integer,I},Reg],{bif,element,_}}, Ts0) ->
- tdb_update([{Reg,{tuple,min_size,I,[]}},{D,kill}], Ts0);
-update({set,[D],[_Index,Reg],{bif,element,_}}, Ts0) ->
- tdb_update([{Reg,{tuple,min_size,0,[]}},{D,kill}], Ts0);
-update({set,[D],Args,{bif,N,_}}, Ts0) ->
+update({set,[D],[Index,Reg],{bif,element,_}}, Ts0) ->
+ MinSize = case Index of
+ {integer,I} -> I;
+ _ -> 0
+ end,
+ Ts = tdb_meet(Reg, {tuple,min_size,MinSize,[]}, Ts0),
+ tdb_store(D, any, Ts);
+update({set,[D],Args,{bif,N,_}}, Ts) ->
Ar = length(Args),
BoolOp = erl_internal:new_type_test(N, Ar) orelse
erl_internal:comp_op(N, Ar) orelse
erl_internal:bool_op(N, Ar),
- case BoolOp of
- true ->
- tdb_update([{D,boolean}], Ts0);
- false ->
- tdb_update([{D,kill}], Ts0)
+ Type = case BoolOp of
+ true -> boolean;
+ false -> unary_op_type(N)
+ end,
+ tdb_store(D, Type, Ts);
+update({set,[D],[S],{get_tuple_element,0}}, Ts0) ->
+ if
+ D =:= S ->
+ tdb_store(D, any, Ts0);
+ true ->
+ Ts = tdb_store(D, {tuple_element,S,0}, Ts0),
+ tdb_store(S, {tuple,min_size,1,[]}, Ts)
end;
-update({set,[D],[S],{get_tuple_element,0}}, Ts) ->
- tdb_update([{D,{tuple_element,S,0}}], Ts);
update({set,[D],[S],{alloc,_,{gc_bif,float,{f,0}}}}, Ts0) ->
%% Make sure we reject non-numeric literal argument.
case possibly_numeric(S) of
- true -> tdb_update([{D,float}], Ts0);
- false -> Ts0
+ true -> tdb_store(D, float, Ts0);
+ false -> Ts0
end;
update({set,[D],[S1,S2],{alloc,_,{gc_bif,'band',{f,0}}}}, Ts) ->
- case keyfind(integer, 1, [S1,S2]) of
- {integer,N} ->
- update_band(N, D, Ts);
- false ->
- tdb_update([{D,integer}], Ts)
- end;
-update({set,[D],[S1,S2],{alloc,_,{gc_bif,'/',{f,0}}}}, Ts0) ->
+ Type = band_type(S1, S2, Ts),
+ tdb_store(D, Type, Ts);
+update({set,[D],[S1,S2],{alloc,_,{gc_bif,'/',{f,0}}}}, Ts) ->
%% Make sure we reject non-numeric literals.
case possibly_numeric(S1) andalso possibly_numeric(S2) of
- true -> tdb_update([{D,float}], Ts0);
- false -> Ts0
+ true -> tdb_store(D, float, Ts);
+ false -> Ts
end;
update({set,[D],[S1,S2],{alloc,_,{gc_bif,Op,{f,0}}}}, Ts0) ->
case op_type(Op) of
integer ->
- tdb_update([{D,integer}], Ts0);
- {float,_} ->
- case {tdb_find(S1, Ts0),tdb_find(S2, Ts0)} of
- {float,_} -> tdb_update([{D,float}], Ts0);
- {_,float} -> tdb_update([{D,float}], Ts0);
- {_,_} -> tdb_update([{D,kill}], Ts0)
- end;
- unknown ->
- tdb_update([{D,kill}], Ts0)
- end;
-update({set,[],_Src,_Op}, Ts0) -> Ts0;
-update({set,[D],_Src,_Op}, Ts0) ->
- tdb_update([{D,kill}], Ts0);
+ tdb_store(D, integer, Ts0);
+ {float,_} ->
+ case {tdb_find(S1, Ts0),tdb_find(S2, Ts0)} of
+ {float,_} -> tdb_store(D, float, Ts0);
+ {_,float} -> tdb_store(D, float, Ts0);
+ {_,_} -> tdb_store(D, any, Ts0)
+ end;
+ Type ->
+ tdb_store(D, Type, Ts0)
+ end;
+update({set,[D],[_],{alloc,_,{gc_bif,Op,{f,0}}}}, Ts) ->
+ tdb_store(D, unary_op_type(Op), Ts);
+update({set,[],_Src,_Op}, Ts) ->
+ Ts;
+update({set,[D],_Src,_Op}, Ts) ->
+ tdb_store(D, any, Ts);
update({kill,D}, Ts) ->
- tdb_update([{D,kill}], Ts);
+ tdb_store(D, any, Ts);
%% Instructions outside of blocks.
-update({test,is_float,_Fail,[Src]}, Ts0) ->
- tdb_update([{Src,float}], Ts0);
-update({test,test_arity,_Fail,[Src,Arity]}, Ts0) ->
- tdb_update([{Src,{tuple,exact_size,Arity,[]}}], Ts0);
-update({test,is_map,_Fail,[Src]}, Ts0) ->
- tdb_update([{Src,map}], Ts0);
+update({test,test_arity,_Fail,[Src,Arity]}, Ts) ->
+ tdb_meet(Src, {tuple,exact_size,Arity,[]}, Ts);
update({get_map_elements,_,Src,{list,Elems0}}, Ts0) ->
+ Ts1 = tdb_meet(Src, map, Ts0),
{_Ss,Ds} = beam_utils:split_even(Elems0),
- Elems = [{Dst,kill} || Dst <- Ds],
- tdb_update([{Src,map}|Elems], Ts0);
-update({test,is_nonempty_list,_Fail,[Src]}, Ts0) ->
- tdb_update([{Src,nonempty_list}], Ts0);
-update({test,is_eq_exact,_,[Reg,{atom,_}=Atom]}, Ts) ->
- case tdb_find(Reg, Ts) of
- error ->
- Ts;
- {tuple_element,TupleReg,0} ->
- tdb_update([{TupleReg,{tuple,min_size,1,[Atom]}}], Ts);
- _ ->
- Ts
- end;
+ foldl(fun(Dst, A) -> tdb_store(Dst, any, A) end, Ts1, Ds);
+update({test,is_eq_exact,_,[Reg,{atom,_}=Atom]}, Ts0) ->
+ Ts = case tdb_find_source_tuple(Reg, Ts0) of
+ {source_tuple,TupleReg} ->
+ tdb_meet(TupleReg, {tuple,min_size,1,[Atom]}, Ts0);
+ none ->
+ Ts0
+ end,
+ tdb_meet(Reg, Atom, Ts);
update({test,is_record,_Fail,[Src,Tag,{integer,Arity}]}, Ts) ->
- tdb_update([{Src,{tuple,exact_size,Arity,[Tag]}}], Ts);
+ tdb_meet(Src, {tuple,exact_size,Arity,[Tag]}, Ts);
%% Binaries and binary matching.
-update({test,is_binary,_Fail,[Src]}, Ts0) ->
- tdb_update([{Src,{binary,8}}], Ts0);
-update({test,is_bitstr,_Fail,[Src]}, Ts0) ->
- tdb_update([{Src,{binary,1}}], Ts0);
update({test,bs_get_integer2,_,_,Args,Dst}, Ts) ->
- tdb_update([{Dst,get_bs_integer_type(Args)}], Ts);
+ tdb_store(Dst, get_bs_integer_type(Args), Ts);
update({test,bs_get_utf8,_,_,_,Dst}, Ts) ->
- tdb_update([{Dst,?UNICODE_INT}], Ts);
+ tdb_store(Dst, ?UNICODE_INT, Ts);
update({test,bs_get_utf16,_,_,_,Dst}, Ts) ->
- tdb_update([{Dst,?UNICODE_INT}], Ts);
+ tdb_store(Dst, ?UNICODE_INT, Ts);
update({test,bs_get_utf32,_,_,_,Dst}, Ts) ->
- tdb_update([{Dst,?UNICODE_INT}], Ts);
+ tdb_store(Dst, ?UNICODE_INT, Ts);
update({bs_init,_,{bs_init2,_,_},_,_,Dst}, Ts) ->
- tdb_update([{Dst,{binary,8}}], Ts);
+ tdb_store(Dst, {binary,8}, Ts);
update({bs_init,_,_,_,_,Dst}, Ts) ->
- tdb_update([{Dst,{binary,1}}], Ts);
+ tdb_store(Dst, {binary,1}, Ts);
update({bs_put,_,_,_}, Ts) ->
Ts;
update({bs_save2,_,_}, Ts) ->
@@ -530,21 +556,31 @@ update({bs_save2,_,_}, Ts) ->
update({bs_restore2,_,_}, Ts) ->
Ts;
update({bs_context_to_binary,Dst}, Ts) ->
- tdb_update([{Dst,kill}], Ts);
-update({test,bs_start_match2,_,_,[Src,_],Dst}, Ts) ->
- Type = case tdb_find(Src, Ts) of
- {binary,_}=Type0 -> Type0;
- _ -> {binary,1}
- end,
- tdb_update([{Dst,Type}], Ts);
+ tdb_store(Dst, {binary,1}, Ts);
+update({test,bs_start_match2,_,_,[Src,_],Dst}, Ts0) ->
+ Ts = tdb_meet(Src, {binary,1}, Ts0),
+ tdb_copy(Src, Dst, Ts);
update({test,bs_get_binary2,_,_,[_,_,Unit,_],Dst}, Ts) ->
true = is_integer(Unit), %Assertion.
- tdb_update([{Dst,{binary,Unit}}], Ts);
+ tdb_store(Dst, {binary,Unit}, Ts);
update({test,bs_get_float2,_,_,_,Dst}, Ts) ->
- tdb_update([{Dst,float}], Ts);
+ tdb_store(Dst, float, Ts);
update({test,bs_test_unit,_,[Src,Unit]}, Ts) ->
- tdb_update([{Src,{binary,Unit}}], Ts);
-
+ tdb_meet(Src, {binary,Unit}, Ts);
+
+%% Other test instructions
+update({test,Test,_Fail,[Src]}, Ts) ->
+ Type = case Test of
+ is_binary -> {binary,8};
+ is_bitstr -> {binary,1};
+ is_boolean -> boolean;
+ is_float -> float;
+ is_integer -> integer;
+ is_map -> map;
+ is_nonempty_list -> nonempty_list;
+ _ -> any
+ end,
+ tdb_meet(Src, Type, Ts);
update({test,_Test,_Fail,_Other}, Ts) ->
Ts;
@@ -552,7 +588,7 @@ update({test,_Test,_Fail,_Other}, Ts) ->
update({call_ext,Ar,{extfunc,math,Math,Ar}}, Ts) ->
case is_math_bif(Math, Ar) of
- true -> tdb_update([{{x,0},float}], Ts);
+ true -> tdb_store({x,0}, float, Ts);
false -> tdb_kill_xregs(Ts)
end;
update({call_ext,3,{extfunc,erlang,setelement,3}}, Ts0) ->
@@ -569,7 +605,7 @@ update({call_ext,3,{extfunc,erlang,setelement,3}}, Ts0) ->
%% first element of the tuple.
{tuple,SzKind,Sz,[]}
end,
- tdb_update([{{x,0},T}], Ts);
+ tdb_store({x,0}, T, Ts);
_ ->
Ts
end;
@@ -585,20 +621,27 @@ update({'%',_}, Ts) -> Ts;
%% The instruction is unknown. Kill all information.
update(_I, _Ts) -> tdb_new().
-update_band(N, Reg, Ts) ->
- Type = update_band_1(N, 0),
- tdb_update([{Reg,Type}], Ts).
+band_type({integer,Int}, Other, Ts) ->
+ band_type_1(Int, Other, Ts);
+band_type(Other, {integer,Int}, Ts) ->
+ band_type_1(Int, Other, Ts);
+band_type(_, _, _) -> integer.
+
+band_type_1(Int, OtherSrc, Ts) ->
+ Type = band_type_2(Int, 0),
+ OtherType = tdb_find(OtherSrc, Ts),
+ meet(Type, OtherType).
-update_band_1(N, Bits) when Bits < 64 ->
+band_type_2(N, Bits) when Bits < 64 ->
case 1 bsl Bits of
P when P =:= N + 1 ->
{integer,{0,N}};
P when P > N + 1 ->
integer;
_ ->
- update_band_1(N, Bits+1)
+ band_type_2(N, Bits+1)
end;
-update_band_1(_, _) ->
+band_type_2(_, _) ->
%% Negative or large positive number. Give up.
integer.
@@ -722,7 +765,15 @@ op_type('bxor') -> integer;
op_type('bsl') -> integer;
op_type('bsr') -> integer;
op_type('div') -> integer;
-op_type(_) -> unknown.
+op_type(_) -> any.
+
+unary_op_type(bit_size) -> integer;
+unary_op_type(byte_size) -> integer;
+unary_op_type(length) -> integer;
+unary_op_type(map_size) -> integer;
+unary_op_type(size) -> integer;
+unary_op_type(tuple_size) -> integer;
+unary_op_type(_) -> any.
flush(Rs, [{set,[_],[_,_,_],{bif,is_record,_}}|_]=Is0, Acc0) ->
Acc = flush_all(Rs, Is0, Acc0),
@@ -805,41 +856,39 @@ checkerror_1([], OrigIs) -> OrigIs.
checkerror_2(OrigIs) -> [{set,[],[],fcheckerror}|OrigIs].
-%%% Routines for maintaining a type database. The type database
+%%% Routines for maintaining a type database. The type database
%%% associates type information with registers.
%%%
-%%% {tuple,min_size,Size,First} means that the corresponding register contains
-%%% a tuple with *at least* Size elements (conversely, exact_size means that it
-%%% contains a tuple with *exactly* Size elements). An tuple with unknown size
-%%% is represented as {tuple,min_size,0,[]}. First is either [] (meaning that
-%%% the tuple's first element is unknown) or [FirstElement] (the contents of
-%%% the first element).
-%%%
-%%% 'float' means that the register contains a float.
-%%%
-%%% 'integer' or {integer,{Min,Max}} that the register contains an
-%%% integer.
-%%%
-%%% {binary,Unit} means that the register contains a binary/bitstring aligned
-%%% to unit Unit.
+%%% See the comment for verified_type/1 at the end of module for
+%%% a description of the possible types.
%% tdb_new() -> EmptyDataBase
%% Creates a new, empty type database.
tdb_new() -> [].
-%% tdb_find(Register, Db) -> Information|error
+%% tdb_find(Register, Db) -> Type
%% Returns type information or the atom error if there is no type
%% information available for Register.
+%%
+%% See the comment for verified_type/1 at the end of module for
+%% a description of the possible types.
-tdb_find({x,_}=K, Ts) -> tdb_find_1(K, Ts);
-tdb_find({y,_}=K, Ts) -> tdb_find_1(K, Ts);
-tdb_find(_, _) -> error.
+tdb_find(Reg, Ts) ->
+ case tdb_find_raw(Reg, Ts) of
+ {tuple_element,_,_} -> any;
+ Type -> Type
+ end.
-tdb_find_1(K, Ts) ->
- case orddict:find(K, Ts) of
- {ok,Val} -> Val;
- error -> error
+%% tdb_find_source_tuple(Register, Ts) -> {source_tuple,Register} | 'none'.
+%% Find the tuple whose first element was fetched to the register Register.
+
+tdb_find_source_tuple(Reg, Ts) ->
+ case tdb_find_raw(Reg, Ts) of
+ {tuple_element,Src,0} ->
+ {source_tuple,Src};
+ _ ->
+ none
end.
%% tdb_copy(Source, Dest, Db) -> Db'
@@ -847,9 +896,9 @@ tdb_find_1(K, Ts) ->
%% as the Source.
tdb_copy({Tag,_}=S, D, Ts) when Tag =:= x; Tag =:= y ->
- case tdb_find(S, Ts) of
- error -> orddict:erase(D, Ts);
- Type -> orddict:store(D, Type, Ts)
+ case tdb_find_raw(S, Ts) of
+ any -> orddict:erase(D, Ts);
+ Type -> orddict:store(D, Type, Ts)
end;
tdb_copy(Literal, D, Ts) ->
Type = case Literal of
@@ -861,14 +910,89 @@ tdb_copy(Literal, D, Ts) ->
{literal,Tuple} when tuple_size(Tuple) >= 1 ->
Lit = tag_literal(element(1, Tuple)),
{tuple,exact_size,tuple_size(Tuple),[Lit]};
- _ -> term
+ _ -> any
end,
- if
- Type =:= term ->
- orddict:erase(D, Ts);
- true ->
- verify_type(Type),
- orddict:store(D, Type, Ts)
+ tdb_store(D, verified_type(Type), Ts).
+
+%% tdb_store(Register, Type, Ts0) -> Ts.
+%% Store a new type for register Register. Return the update type
+%% database. Use this function when a new value is assigned to
+%% a register.
+%%
+%% See the comment for verified_type/1 at the end of module for
+%% a description of the possible types.
+
+tdb_store(Reg, any, Ts) ->
+ erase(Reg, Ts);
+tdb_store(Reg, Type, Ts) ->
+ store(Reg, verified_type(Type), Ts).
+
+store(Key, New, [{K,_}|_]=Dict) when Key < K ->
+ [{Key,New}|Dict];
+store(Key, New, [{K,Val}=E|Dict]) when Key > K ->
+ case Val of
+ {tuple_element,Key,_} -> store(Key, New, Dict);
+ _ -> [E|store(Key, New, Dict)]
+ end;
+store(Key, New, [{_K,Old}|Dict]) -> %Key == K
+ case Old of
+ {tuple,_,_,_} ->
+ [{Key,New}|erase_tuple_element(Key, Dict)];
+ _ ->
+ [{Key,New}|Dict]
+ end;
+store(Key, New, []) -> [{Key,New}].
+
+erase(Key, [{K,_}=E|Dict]) when Key < K ->
+ [E|Dict];
+erase(Key, [{K,Val}=E|Dict]) when Key > K ->
+ case Val of
+ {tuple_element,Key,_} -> erase(Key, Dict);
+ _ -> [E|erase(Key, Dict)]
+ end;
+erase(Key, [{_K,Val}|Dict]) -> %Key == K
+ case Val of
+ {tuple,_,_,_} -> erase_tuple_element(Key, Dict);
+ _ -> Dict
+ end;
+erase(_, []) -> [].
+
+erase_tuple_element(Key, [{_,{tuple_element,Key,_}}|Dict]) ->
+ erase_tuple_element(Key, Dict);
+erase_tuple_element(Key, [E|Dict]) ->
+ [E|erase_tuple_element(Key, Dict)];
+erase_tuple_element(_Key, []) -> [].
+
+%% tdb_meet(Register, Type, Ts0) -> Ts.
+%% Update information of a register that is used as the source for an
+%% instruction. The type Type will be combined using the meet operation
+%% with the previous type information for the register, resulting in
+%% narrower (more specific) type.
+%%
+%% For example, if the previous type is {tuple,min_size,2,[]} and the
+%% the new type is {tuple,exact_size,5,[]}, the meet of the types will
+%% be {tuple,exact_size,5,[]}.
+%%
+%% See the comment for verified_type/1 at the end of module for
+%% a description of the possible types.
+
+tdb_meet(Reg, NewType, Ts) ->
+ Update = fun(Type0) -> meet(Type0, NewType) end,
+ orddict:update(Reg, Update, NewType, Ts).
+
+%%%
+%%% Here follows internal helper functions for accessing and
+%%% updating the type database.
+%%%
+
+tdb_find_raw({x,_}=K, Ts) -> tdb_find_raw_1(K, Ts);
+tdb_find_raw({y,_}=K, Ts) -> tdb_find_raw_1(K, Ts);
+tdb_find_raw(_, _) -> any.
+
+tdb_find_raw_1(K, Ts) ->
+ case orddict:find(K, Ts) of
+ {ok,Val} -> Val;
+ error -> any
end.
tag_literal(A) when is_atom(A) -> {atom,A};
@@ -877,45 +1001,6 @@ tag_literal(I) when is_integer(I) -> {integer,I};
tag_literal([]) -> nil;
tag_literal(Lit) -> {literal,Lit}.
-%% tdb_update([UpdateOp], Db) -> NewDb
-%% UpdateOp = {Register,kill}|{Register,NewInfo}
-%% Updates a type database. If a 'kill' operation is given, the type
-%% information for that register will be removed from the database.
-%% A kill operation takes precedence over other operations for the same
-%% register (i.e. [{{x,0},kill},{{x,0},{tuple,min_size,5,[]}}] means that the
-%% the existing type information, if any, will be discarded, and the
-%% the '{tuple,min_size,5,[]}' information ignored.
-%%
-%% If NewInfo information is given and there exists information about
-%% the register, the old and new type information will be merged.
-%% For instance, {tuple,min_size,5,_} and {tuple,min_size,10,_} will be merged
-%% to produce {tuple,min_size,10,_}.
-
-tdb_update(Uis0, Ts0) ->
- Uis1 = filter(fun ({{x,_},_Op}) -> true;
- ({{y,_},_Op}) -> true;
- (_) -> false
- end, Uis0),
- tdb_update1(lists:sort(Uis1), Ts0).
-
-tdb_update1([{Key,kill}|Ops], [{K,_Old}|_]=Db) when Key < K ->
- tdb_update1(remove_key(Key, Ops), Db);
-tdb_update1([{Key,Type}=New|Ops], [{K,_Old}|_]=Db) when Key < K ->
- verify_type(Type),
- [New|tdb_update1(Ops, Db)];
-tdb_update1([{Key,kill}|Ops], [{Key,_}|Db]) ->
- tdb_update1(remove_key(Key, Ops), Db);
-tdb_update1([{Key,NewInfo}|Ops], [{Key,OldInfo}|Db]) ->
- [{Key,merge_type_info(NewInfo, OldInfo)}|tdb_update1(Ops, Db)];
-tdb_update1([{_,_}|_]=Ops, [Old|Db]) ->
- [Old|tdb_update1(Ops, Db)];
-tdb_update1([{Key,kill}|Ops], []) ->
- tdb_update1(remove_key(Key, Ops), []);
-tdb_update1([{_,Type}=New|Ops], []) ->
- verify_type(Type),
- [New|tdb_update1(Ops, [])];
-tdb_update1([], Db) -> Db.
-
%% tdb_kill_xregs(Db) -> NewDb
%% Kill all information about x registers. Also kill all tuple_element
%% dependencies from y registers to x registers.
@@ -924,44 +1009,106 @@ tdb_kill_xregs([{{x,_},_Type}|Db]) -> tdb_kill_xregs(Db);
tdb_kill_xregs([{{y,_},{tuple_element,{x,_},_}}|Db]) -> tdb_kill_xregs(Db);
tdb_kill_xregs([Any|Db]) -> [Any|tdb_kill_xregs(Db)];
tdb_kill_xregs([]) -> [].
-
-remove_key(Key, [{Key,_Op}|Ops]) -> remove_key(Key, Ops);
-remove_key(_, Ops) -> Ops.
-merge_type_info(I, I) -> I;
-merge_type_info({tuple,min_size,Sz1,Same}, {tuple,min_size,Sz2,Same}=Max) when Sz1 < Sz2 ->
+%% meet(Type1, Type2) -> Type
+%% Returns the "meet" of Type1 and Type2. The meet is a narrower
+%% type than Type1 and Type2. For example:
+%%
+%% meet(integer, {integer,{0,3}}) -> {integer,{0,3}}
+%%
+%% The meet for two different types result in 'none', which is
+%% the bottom element for our type lattice:
+%%
+%% meet(integer, map) -> none
+
+meet(T, T) ->
+ T;
+meet({integer,_}=T, integer) ->
+ T;
+meet(integer, {integer,_}=T) ->
+ T;
+meet({integer,{Min1,Max1}}, {integer,{Min2,Max2}}) ->
+ {integer,{max(Min1, Min2),min(Max1, Max2)}};
+meet({tuple,min_size,Sz1,Same}, {tuple,min_size,Sz2,Same}=Max) when Sz1 < Sz2 ->
Max;
-merge_type_info({tuple,min_size,Sz1,Same}=Max, {tuple,min_size,Sz2,Same}) when Sz1 > Sz2 ->
+meet({tuple,min_size,Sz1,Same}=Max, {tuple,min_size,Sz2,Same}) when Sz1 > Sz2 ->
Max;
-merge_type_info({tuple,exact_size,_,Same}=Exact, {tuple,_,_,Same}) ->
+meet({tuple,exact_size,_,Same}=Exact, {tuple,_,_,Same}) ->
Exact;
-merge_type_info({tuple,_,_,Same},{tuple,exact_size,_,Same}=Exact) ->
+meet({tuple,_,_,Same},{tuple,exact_size,_,Same}=Exact) ->
Exact;
-merge_type_info({tuple,SzKind1,Sz1,[]}, {tuple,_SzKind2,_Sz2,First}=Tuple2) ->
- merge_type_info({tuple,SzKind1,Sz1,First}, Tuple2);
-merge_type_info({tuple,_SzKind1,_Sz1,First}=Tuple1, {tuple,SzKind2,Sz2,_}) ->
- merge_type_info(Tuple1, {tuple,SzKind2,Sz2,First});
-merge_type_info(integer, {integer,_}) ->
- integer;
-merge_type_info({integer,_}, integer) ->
- integer;
-merge_type_info({integer,{Min1,Max1}}, {integer,{Min2,Max2}}) ->
- {integer,{max(Min1, Min2),min(Max1, Max2)}};
-merge_type_info({binary,U1}, {binary,U2}) ->
+meet({tuple,SzKind1,Sz1,[]}, {tuple,_SzKind2,_Sz2,First}=Tuple2) ->
+ meet({tuple,SzKind1,Sz1,First}, Tuple2);
+meet({tuple,_SzKind1,_Sz1,First}=Tuple1, {tuple,SzKind2,Sz2,_}) ->
+ meet(Tuple1, {tuple,SzKind2,Sz2,First});
+meet({binary,U1}, {binary,U2}) ->
{binary,max(U1, U2)};
-merge_type_info(NewType, _) ->
- verify_type(NewType),
- NewType.
-
-verify_type({atom,_}) -> ok;
-verify_type({binary,U}) when is_integer(U) -> ok;
-verify_type(boolean) -> ok;
-verify_type(integer) -> ok;
-verify_type({integer,{Min,Max}})
- when is_integer(Min), is_integer(Max) -> ok;
-verify_type(map) -> ok;
-verify_type(nonempty_list) -> ok;
-verify_type({tuple,_,Sz,[]}) when is_integer(Sz) -> ok;
-verify_type({tuple,_,Sz,[_]}) when is_integer(Sz) -> ok;
-verify_type({tuple_element,_,_}) -> ok;
-verify_type(float) -> ok.
+meet(T1, T2) ->
+ case is_any(T1) of
+ true ->
+ verified_type(T2);
+ false ->
+ case is_any(T2) of
+ true ->
+ verified_type(T1);
+ false ->
+ none %The bottom element.
+ end
+ end.
+
+is_any(any) -> true;
+is_any({tuple_element,_,_}) -> true;
+is_any(_) -> false.
+
+%% verified_type(Type) -> Type
+%% Returns the passed in type if it is one of the defined types.
+%% Crashes if there is anything wrong with the type.
+%%
+%% Here are all possible types:
+%%
+%% any Any Erlang term (top element for the type lattice).
+%%
+%% {atom,Atom} The specific atom Atom.
+%% {binary,Unit} Binary/bitstring aligned to unit Unit.
+%% boolean 'true' | 'false'
+%% float Floating point number.
+%% integer Integer.
+%% {integer,{Min,Max}} Integer in the inclusive range Min through Max.
+%% map Map.
+%% nonempty_list Nonempty list.
+%% {tuple,_,_,_} Tuple (see below).
+%%
+%% none No type (bottom element for the type lattice).
+%%
+%% {tuple,min_size,Size,First} means that the corresponding register
+%% contains a tuple with *at least* Size elements (conversely,
+%% {tuple,exact_size,Size,First} means that it contains a tuple with
+%% *exactly* Size elements). An tuple with unknown size is
+%% represented as {tuple,min_size,0,[]}. First is either [] (meaning
+%% that the tuple's first element is unknown) or [FirstElement] (the
+%% contents of the first element).
+%%
+%% There is also a pseudo-type called {tuple_element,_,_}:
+%%
+%% {tuple_element,SrcTuple,ElementNumber}
+%%
+%% that does not provide any information about the type of the
+%% register itself, but provides a link back to the source tuple that
+%% the register got its value from.
+%%
+%% Note that {tuple_element,_,_} will *never* be returned by tdb_find/2.
+%% Use tdb_find_source_tuple/2 to locate the source tuple for a register.
+
+verified_type(any=T) -> T;
+verified_type({atom,_}=T) -> T;
+verified_type({binary,U}=T) when is_integer(U) -> T;
+verified_type(boolean=T) -> T;
+verified_type(integer=T) -> T;
+verified_type({integer,{Min,Max}}=T)
+ when is_integer(Min), is_integer(Max) -> T;
+verified_type(map=T) -> T;
+verified_type(nonempty_list=T) -> T;
+verified_type({tuple,_,Sz,[]}=T) when is_integer(Sz) -> T;
+verified_type({tuple,_,Sz,[_]}=T) when is_integer(Sz) -> T;
+verified_type({tuple_element,_,_}=T) -> T;
+verified_type(float=T) -> T.
diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl
index 4dcce30583..814cfb8265 100644
--- a/lib/compiler/src/beam_utils.erl
+++ b/lib/compiler/src/beam_utils.erl
@@ -118,7 +118,7 @@ is_killed(R, Is, D) ->
St = #live{lbl=D,res=gb_trees:empty()},
case check_liveness(R, Is, St) of
{killed,_} -> true;
- {exit_not_used,_} -> true;
+ {exit_not_used,_} -> false;
{_,_} -> false
end.
@@ -131,7 +131,7 @@ is_killed_at(R, Lbl, D) when is_integer(Lbl) ->
St0 = #live{lbl=D,res=gb_trees:empty()},
case check_liveness_at(R, Lbl, St0) of
{killed,_} -> true;
- {exit_not_used,_} -> true;
+ {exit_not_used,_} -> false;
{_,_} -> false
end.
@@ -148,7 +148,7 @@ is_not_used(R, Is, D) ->
St = #live{lbl=D,res=gb_trees:empty()},
case check_liveness(R, Is, St) of
{used,_} -> false;
- {exit_not_used,_} -> false;
+ {exit_not_used,_} -> true;
{_,_} -> true
end.
@@ -440,8 +440,11 @@ check_liveness(R, [{bs_init,_,_,Live,Ss,Dst}|Is], St) ->
case member(R, Ss) of
true -> {used,St};
false ->
+ %% If the exception is taken, the stack may
+ %% be scanned. Therefore the register is not
+ %% guaranteed to be killed.
if
- R =:= Dst -> {killed,St};
+ R =:= Dst -> {not_used,St};
true -> not_used(check_liveness(R, Is, St))
end
end
@@ -735,8 +738,8 @@ check_liveness_block_1(R, Ss, Ds, Op, Is, St0) ->
end
end.
-check_liveness_block_2(R, {gc_bif,_Op,{f,Lbl}}, _Ss, St) ->
- check_liveness_block_3(R, Lbl, St);
+check_liveness_block_2(R, {gc_bif,Op,{f,Lbl}}, Ss, St) ->
+ check_liveness_block_3(R, Lbl, {Op,length(Ss)}, St);
check_liveness_block_2(R, {bif,Op,{f,Lbl}}, Ss, St) ->
Arity = length(Ss),
case erl_internal:comp_op(Op, Arity) orelse
@@ -744,16 +747,23 @@ check_liveness_block_2(R, {bif,Op,{f,Lbl}}, Ss, St) ->
true ->
{killed,St};
false ->
- check_liveness_block_3(R, Lbl, St)
+ check_liveness_block_3(R, Lbl, {Op,length(Ss)}, St)
end;
check_liveness_block_2(R, {put_map,_Op,{f,Lbl}}, _Ss, St) ->
- check_liveness_block_3(R, Lbl, St);
+ check_liveness_block_3(R, Lbl, {unsafe,0}, St);
check_liveness_block_2(_, _, _, St) ->
{killed,St}.
-check_liveness_block_3(_, 0, St) ->
+check_liveness_block_3({x,_}, 0, _FA, St) ->
{killed,St};
-check_liveness_block_3(R, Lbl, St0) ->
+check_liveness_block_3({y,_}, 0, {F,A}, St) ->
+ %% If the exception is thrown, the stack may be scanned,
+ %% thus implicitly using the y register.
+ case erl_bifs:is_safe(erlang, F, A) of
+ true -> {killed,St};
+ false -> {used,St}
+ end;
+check_liveness_block_3(R, Lbl, _FA, St0) ->
check_liveness_at(R, Lbl, St0).
index_labels_1([{label,Lbl}|Is0], Acc) ->
@@ -994,47 +1004,52 @@ live_opt([{recv_mark,_}=I|Is], Regs, D, Acc) ->
live_opt([], _, _, Acc) -> Acc.
-live_opt_block([{set,Ds,Ss,Op0}|Is], Regs0, D, Acc) ->
- Regs1 = x_live(Ss, x_dead(Ds, Regs0)),
- {Op, Regs} = live_opt_block_op(Op0, Regs1, D),
- I = {set, Ds, Ss, Op},
-
- case Ds of
- [{x,X}] ->
- case (not is_live(X, Regs0)) andalso Op =:= move of
- true ->
- live_opt_block(Is, Regs0, D, Acc);
- false ->
- live_opt_block(Is, Regs, D, [I|Acc])
- end;
- _ ->
- live_opt_block(Is, Regs, D, [I|Acc])
+live_opt_block([{set,[{x,X}]=Ds,Ss,move}=I|Is], Regs0, D, Acc) ->
+ Regs = x_live(Ss, x_dead(Ds, Regs0)),
+ case is_live(X, Regs0) of
+ true ->
+ live_opt_block(Is, Regs, D, [I|Acc]);
+ false ->
+ %% Useless move, will never be used.
+ live_opt_block(Is, Regs, D, Acc)
end;
-live_opt_block([{'%anno',_}|Is], Regs, D, Acc) ->
- live_opt_block(Is, Regs, D, Acc);
-live_opt_block([], Regs, _, Acc) -> {Acc,Regs}.
-
-live_opt_block_op({alloc,Live0,AllocOp}, Regs0, D) ->
- Regs =
- case AllocOp of
- {Kind, _N, Fail} when Kind =:= gc_bif; Kind =:= put_map ->
- live_join_label(Fail, D, Regs0);
- _ ->
- Regs0
- end,
+live_opt_block([{set,Ds,Ss,{alloc,Live0,AllocOp}}|Is], Regs0, D, Acc) ->
+ %% Calculate liveness from the point of view of the GC.
+ %% There will never be a GC if the instruction fails, so we should
+ %% ignore the failure branch.
+ GcRegs1 = x_dead(Ds, Regs0),
+ GcRegs = x_live(Ss, GcRegs1),
+ Live = live_regs(GcRegs),
%% The life-time analysis used by the code generator is sometimes too
%% conservative, so it may be possible to lower the number of live
%% registers based on the exact liveness information. The main benefit is
%% that more optimizations that depend on liveness information (such as the
- %% beam_bool and beam_dead passes) may be applied.
- Live = live_regs(Regs),
- true = Live =< Live0,
- {{alloc,Live,AllocOp}, live_call(Live)};
-live_opt_block_op({bif,_N,Fail} = Op, Regs, D) ->
- {Op, live_join_label(Fail, D, Regs)};
-live_opt_block_op(Op, Regs, _D) ->
- {Op, Regs}.
+ %% beam_dead pass) may be applied.
+ true = Live =< Live0, %Assertion.
+ I = {set,Ds,Ss,{alloc,Live,AllocOp}},
+
+ %% Calculate liveness from the point of view of the preceding instruction.
+ %% The liveness is the union of live registers in the GC and the live
+ %% registers at the failure label.
+ Regs1 = live_call(Live),
+ Regs = live_join_alloc(AllocOp, D, Regs1),
+ live_opt_block(Is, Regs, D, [I|Acc]);
+live_opt_block([{set,Ds,Ss,{bif,_,Fail}}=I|Is], Regs0, D, Acc) ->
+ Regs1 = x_dead(Ds, Regs0),
+ Regs2 = x_live(Ss, Regs1),
+ Regs = live_join_label(Fail, D, Regs2),
+ live_opt_block(Is, Regs, D, [I|Acc]);
+live_opt_block([{set,Ds,Ss,_}=I|Is], Regs0, D, Acc) ->
+ Regs = x_live(Ss, x_dead(Ds, Regs0)),
+ live_opt_block(Is, Regs, D, [I|Acc]);
+live_opt_block([{'%anno',_}|Is], Regs, D, Acc) ->
+ live_opt_block(Is, Regs, D, Acc);
+live_opt_block([], Regs, _, Acc) -> {Acc,Regs}.
+
+live_join_alloc({Kind,_Name,Fail}, D, Regs) when Kind =:= gc_bif; Kind =:= put_map ->
+ live_join_label(Fail, D, Regs);
+live_join_alloc(_, _, Regs) -> Regs.
live_join_labels([{f,L}|T], D, Regs0) when L =/= 0 ->
Regs = gb_trees:get(L, D) bor Regs0,
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl
index 7e5d86c177..c30ab34ac7 100644
--- a/lib/compiler/src/beam_validator.erl
+++ b/lib/compiler/src/beam_validator.erl
@@ -1153,6 +1153,7 @@ set_type_y(Type, {y,Y}=Reg, #vst{current=#st{y=Ys0}=St}=Vst)
{value,_} ->
gb_trees:update(Y, Type, Ys0)
end,
+ check_try_catch_tags(Type, Y, Ys0),
Vst#vst{current=St#st{y=Ys}};
set_type_y(Type, Reg, #vst{}) -> error({invalid_store,Reg,Type}).
@@ -1160,6 +1161,29 @@ set_catch_end({y,Y}, #vst{current=#st{y=Ys0}=St}=Vst) ->
Ys = gb_trees:update(Y, initialized, Ys0),
Vst#vst{current=St#st{y=Ys}}.
+check_try_catch_tags(Type, LastY, Ys) ->
+ case is_try_catch_tag(Type) of
+ false ->
+ ok;
+ true ->
+ %% Every catch or try/catch must use a lower Y register
+ %% number than any enclosing catch or try/catch. That will
+ %% ensure that when the stack is scanned when an
+ %% exception occurs, the innermost try/catch tag is found
+ %% first.
+ Bad = [{{y,Y},Tag} || {Y,Tag} <- gb_trees:to_list(Ys),
+ Y < LastY, is_try_catch_tag(Tag)],
+ case Bad of
+ [] ->
+ ok;
+ [_|_] ->
+ error({bad_try_catch_nesting,{y,LastY},Bad})
+ end
+ end.
+
+is_try_catch_tag({catchtag,_}) -> true;
+is_try_catch_tag({trytag,_}) -> true;
+is_try_catch_tag(_) -> false.
is_reg_defined({x,_}=Reg, Vst) -> is_type_defined_x(Reg, Vst);
is_reg_defined({y,_}=Reg, Vst) -> is_type_defined_y(Reg, Vst);
@@ -1349,7 +1373,12 @@ branch_arities([Sz,{f,L}|T], Tuple, #vst{current=St}=Vst0)
Vst = branch_state(L, Vst1),
branch_arities(T, Tuple, Vst#vst{current=St}).
-branch_state(0, #vst{}=Vst) -> Vst;
+branch_state(0, #vst{}=Vst) ->
+ %% If the instruction fails, the stack may be scanned
+ %% looking for a catch tag. Therefore the Y registers
+ %% must be initialized at this point.
+ verify_y_init(Vst),
+ Vst;
branch_state(L, #vst{current=St,branched=B}=Vst) ->
Vst#vst{
branched=case gb_trees:is_defined(L, B) of
diff --git a/lib/compiler/test/beam_type_SUITE.erl b/lib/compiler/test/beam_type_SUITE.erl
index e33df809ff..541075af2a 100644
--- a/lib/compiler/test/beam_type_SUITE.erl
+++ b/lib/compiler/test/beam_type_SUITE.erl
@@ -122,7 +122,7 @@ do_integers_5(X0, Y0) ->
3 -> three
end.
-coverage(_Config) ->
+coverage(Config) ->
{'EXIT',{badarith,_}} = (catch id(1) bsl 0.5),
{'EXIT',{badarith,_}} = (catch id(2.0) bsl 2),
{'EXIT',{badarith,_}} = (catch a + 0.5),
@@ -133,6 +133,29 @@ coverage(_Config) ->
id(id(42) band 387439739874298734983787934283479243879),
id(-1 band id(13)),
+ error = if
+ is_map(Config), is_integer(Config) -> ok;
+ true -> error
+ end,
+ error = if
+ is_map(Config), is_atom(Config) -> ok;
+ true -> error
+ end,
+ error = if
+ is_map(Config), is_tuple(Config) -> ok;
+ true -> error
+ end,
+ error = if
+ is_integer(Config), is_bitstring(Config) -> ok;
+ true -> error
+ end,
+
+ ok = case Config of
+ <<_>> when is_binary(Config) ->
+ impossible;
+ [_|_] ->
+ ok
+ end,
ok.
booleans(_Config) ->
diff --git a/lib/compiler/test/beam_validator_SUITE.erl b/lib/compiler/test/beam_validator_SUITE.erl
index 63a13281a8..b8fff7b100 100644
--- a/lib/compiler/test/beam_validator_SUITE.erl
+++ b/lib/compiler/test/beam_validator_SUITE.erl
@@ -33,7 +33,7 @@
state_after_fault_in_catch/1,no_exception_in_catch/1,
undef_label/1,illegal_instruction/1,failing_gc_guard_bif/1,
map_field_lists/1,cover_bin_opt/1,
- val_dsetel/1,bad_tuples/1]).
+ val_dsetel/1,bad_tuples/1,bad_try_catch_nesting/1]).
-include_lib("common_test/include/ct.hrl").
@@ -62,7 +62,7 @@ groups() ->
state_after_fault_in_catch,no_exception_in_catch,
undef_label,illegal_instruction,failing_gc_guard_bif,
map_field_lists,cover_bin_opt,val_dsetel,
- bad_tuples]}].
+ bad_tuples,bad_try_catch_nesting]}].
init_per_suite(Config) ->
Config.
@@ -523,6 +523,14 @@ bad_tuples(Config) ->
ok.
+bad_try_catch_nesting(Config) ->
+ Errors = do_val(bad_try_catch_nesting, Config),
+ [{{bad_try_catch_nesting,main,2},
+ {{'try',{y,2},{f,3}},
+ 7,
+ {bad_try_catch_nesting,{y,2},[{{y,1},{trytag,[5]}}]}}}] = Errors,
+ ok.
+
%%%-------------------------------------------------------------------------
transform_remove(Remove, Module) ->
diff --git a/lib/compiler/test/beam_validator_SUITE_data/bad_try_catch_nesting.S b/lib/compiler/test/beam_validator_SUITE_data/bad_try_catch_nesting.S
new file mode 100644
index 0000000000..9f1b21a17b
--- /dev/null
+++ b/lib/compiler/test/beam_validator_SUITE_data/bad_try_catch_nesting.S
@@ -0,0 +1,64 @@
+{module, bad_try_catch_nesting}. %% version = 0
+
+{exports, [{main,2},{module_info,0},{module_info,1}]}.
+
+{attributes, []}.
+
+{labels, 11}.
+
+
+{function, main, 2, 2}.
+ {label,1}.
+ {line,[{location,"bad_try_catch_nesting.erl",4}]}.
+ {func_info,{atom,bad_try_catch_nesting},{atom,main},2}.
+ {label,2}.
+ {allocate_zero,3,2}.
+ {'try',{y,1},{f,5}}.
+ {move,{x,1},{y,0}}.
+ {'try',{y,2},{f,3}}.
+ {line,[{location,"bad_try_catch_nesting.erl",7}]}.
+ {call_fun,0}.
+ {try_end,{y,2}}.
+ {jump,{f,4}}.
+ {label,3}.
+ {try_case,{y,2}}.
+ {test,is_ne_exact,{f,4},[{x,0},{atom,error}]}.
+ {line,[]}.
+ {bif,raise,{f,0},[{x,2},{x,1}],{x,0}}.
+ {label,4}.
+ {move,{y,0},{x,0}}.
+ {kill,{y,0}}.
+ {line,[{location,"bad_try_catch_nesting.erl",12}]}.
+ {call_fun,0}.
+ {try_end,{y,1}}.
+ {deallocate,3}.
+ return.
+ {label,5}.
+ {try_case,{y,1}}.
+ {test,is_eq_exact,{f,6},[{x,0},{atom,throw}]}.
+ {deallocate,3}.
+ return.
+ {label,6}.
+ {line,[]}.
+ {bif,raise,{f,0},[{x,2},{x,1}],{x,0}}.
+
+
+{function, module_info, 0, 8}.
+ {label,7}.
+ {line,[]}.
+ {func_info,{atom,bad_try_catch_nesting},{atom,module_info},0}.
+ {label,8}.
+ {move,{atom,bad_try_catch_nesting},{x,0}}.
+ {line,[]}.
+ {call_ext_only,1,{extfunc,erlang,get_module_info,1}}.
+
+
+{function, module_info, 1, 10}.
+ {label,9}.
+ {line,[]}.
+ {func_info,{atom,bad_try_catch_nesting},{atom,module_info},1}.
+ {label,10}.
+ {move,{x,0},{x,1}}.
+ {move,{atom,bad_try_catch_nesting},{x,0}}.
+ {line,[]}.
+ {call_ext_only,2,{extfunc,erlang,get_module_info,2}}.
diff --git a/lib/crypto/test/engine_SUITE.erl b/lib/crypto/test/engine_SUITE.erl
index f206f967c7..f410542f72 100644
--- a/lib/crypto/test/engine_SUITE.erl
+++ b/lib/crypto/test/engine_SUITE.erl
@@ -72,7 +72,12 @@ groups() ->
init_per_suite(Config) ->
try crypto:start() of
ok ->
- Config;
+ case crypto:info_lib() of
+ [{_,_, <<"OpenSSL 1.0.1s-freebsd 1 Mar 2016">>}] ->
+ {skip, "Problem with engine on OpenSSL 1.0.1s-freebsd"};
+ _ ->
+ Config
+ end;
{error,{already_started,crypto}} ->
Config
catch _:_ ->
diff --git a/lib/debugger/src/dbg_ieval.erl b/lib/debugger/src/dbg_ieval.erl
index b0db8228e5..9840cebc1a 100644
--- a/lib/debugger/src/dbg_ieval.erl
+++ b/lib/debugger/src/dbg_ieval.erl
@@ -1033,7 +1033,7 @@ expr({send,Line,To0,Msg0}, Bs0, Ieval0) ->
%% Binary
expr({bin,Line,Fs}, Bs0, Ieval0) ->
- Ieval = Ieval0#ieval{line=Line},
+ Ieval = Ieval0#ieval{line=Line,top=false},
try
eval_bits:expr_grp(Fs, Bs0,
fun (E, B) -> expr(E, B, Ieval) end,
diff --git a/lib/debugger/test/int_eval_SUITE.erl b/lib/debugger/test/int_eval_SUITE.erl
index 27ca4852b5..da1d6734f8 100644
--- a/lib/debugger/test/int_eval_SUITE.erl
+++ b/lib/debugger/test/int_eval_SUITE.erl
@@ -29,7 +29,8 @@
bifs_outside_erlang/1, spawning/1, applying/1,
catch_and_throw/1, external_call/1, test_module_info/1,
apply_interpreted_fun/1, apply_uninterpreted_fun/1,
- interpreted_exit/1, otp_8310/1, stacktrace/1, maps/1]).
+ interpreted_exit/1, otp_8310/1, stacktrace/1, maps/1,
+ call_inside_binary/1]).
%% Helpers.
-export([applier/3]).
@@ -45,7 +46,8 @@ all() ->
[bifs_outside_erlang, spawning, applying,
catch_and_throw, external_call, test_module_info,
apply_interpreted_fun, apply_uninterpreted_fun,
- interpreted_exit, otp_8310, stacktrace, maps].
+ interpreted_exit, otp_8310, stacktrace, maps,
+ call_inside_binary].
groups() ->
[].
@@ -275,6 +277,9 @@ maps(Config) when is_list(Config) ->
[#{hello := 0, price := 0}] = spawn_eval(fun () -> ?IM:update_in_fun() end),
ok.
+call_inside_binary(Config) when is_list(Config) ->
+ <<"1">> = ?IM:call_inside_binary(fun erlang:integer_to_binary/1),
+ ok.
do_eval(Config, Mod) ->
DataDir = proplists:get_value(data_dir, Config),
diff --git a/lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl b/lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl
index ca7929c10b..384d61f051 100644
--- a/lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl
+++ b/lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl
@@ -31,6 +31,7 @@
-export([f/1, f_try/1, f_catch/1]).
-export([otp_5837/1, otp_8310/0]).
-export([empty_map_update/1, update_in_fun/0]).
+-export([call_inside_binary/1]).
%% Internal exports.
-export([echo/2,my_subtract/2,catch_a_ball/0,throw_a_ball/0]).
@@ -248,3 +249,6 @@ empty_map_update(Map) -> Map#{}.
update_in_fun() ->
lists:map(fun (X) -> X#{price := 0} end, [#{hello => 0, price => nil}]).
+
+call_inside_binary(Fun) ->
+ <<(Fun(1))/binary>>.
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index 32f58efc75..c5f93a3392 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -1236,6 +1236,13 @@ handle_tuple(Tree, Map, State) ->
State2 = state__add_warning(State1, ?WARN_OPAQUE,
Tree, Msg),
{State2, Map1, t_none()};
+ {error, record, ErrorPat, ErrorType, _} ->
+ Msg = {record_match,
+ [format_patterns(ErrorPat),
+ format_type(ErrorType, State1)]},
+ State2 = state__add_warning(State1, ?WARN_MATCHING,
+ Tree, Msg),
+ {State2, Map1, t_none()};
{Map2, ETypes} ->
{State1, Map2, t_tuple(ETypes)}
end
@@ -3437,19 +3444,19 @@ state__fun_info(Fun, #state{callgraph = CG, fun_tab = FunTab, plt = PLT}) ->
{Fun, Sig, Contract, LocalRet}.
forward_args(Fun, ArgTypes, #state{work = Work, fun_tab = FunTab} = State) ->
- {OldArgTypes, OldOut, Fixpoint} =
+ {NewArgTypes, OldOut, Fixpoint} =
case dict:find(Fun, FunTab) of
- {ok, {not_handled, {OldArgTypes0, OldOut0}}} ->
- {OldArgTypes0, OldOut0, false};
+ {ok, {not_handled, {_OldArgTypesAreNone, OldOut0}}} ->
+ {ArgTypes, OldOut0, false};
{ok, {OldArgTypes0, OldOut0}} ->
- {OldArgTypes0, OldOut0,
- t_is_subtype(t_product(ArgTypes), t_product(OldArgTypes0))}
+ NewArgTypes0 = [t_sup(X, Y) ||
+ {X, Y} <- lists:zip(ArgTypes, OldArgTypes0)],
+ {NewArgTypes0, OldOut0,
+ t_is_equal(t_product(NewArgTypes0), t_product(OldArgTypes0))}
end,
case Fixpoint of
true -> State;
false ->
- NewArgTypes = [t_sup(X, Y) ||
- {X, Y} <- lists:zip(ArgTypes, OldArgTypes)],
NewWork = add_work(Fun, Work),
?debug("~tw: forwarding args ~ts\n",
[state__lookup_name(Fun, State),
diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl
index 95c8b5ebce..2af4534396 100644
--- a/lib/dialyzer/src/dialyzer_plt.erl
+++ b/lib/dialyzer/src/dialyzer_plt.erl
@@ -531,17 +531,19 @@ compute_md5_from_files(Files) ->
lists:keysort(1, [{F, compute_md5_from_file(F)} || F <- Files]).
compute_md5_from_file(File) ->
- case filelib:is_regular(File) of
- false ->
+ case beam_lib:all_chunks(File) of
+ {ok, _, Chunks} ->
+ %% We cannot use beam_lib:md5 because it does not consider
+ %% the debug_info chunk, where typespecs are likely stored.
+ %% So we consider almost all chunks except the useless ones.
+ Filtered = [[ID, Chunk] || {ID, Chunk} <- Chunks, ID =/= "CInf", ID =/= "Docs"],
+ erlang:md5(lists:sort(Filtered));
+ {error, beam_lib, {file_error, _, enoent}} ->
Msg = io_lib:format("Not a regular file: ~ts\n", [File]),
throw({dialyzer_error, Msg});
- true ->
- case dialyzer_utils:get_core_from_beam(File) of
- {error, Error} ->
- throw({dialyzer_error, Error});
- {ok, Core} ->
- erlang:md5(term_to_binary(Core))
- end
+ {error, beam_lib, _} ->
+ Msg = io_lib:format("Could not compute MD5 for .beam: ~ts\n", [File]),
+ throw({dialyzer_error, Msg})
end.
init_diff_list(RemoveFiles, AddFiles) ->
diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/para_bug/same.erl b/lib/dialyzer/test/opaque_SUITE_data/src/para_bug/same.erl
new file mode 100644
index 0000000000..44149f4199
--- /dev/null
+++ b/lib/dialyzer/test/opaque_SUITE_data/src/para_bug/same.erl
@@ -0,0 +1,15 @@
+-module(same).
+
+-export([baz/1]).
+
+-record(bar, {
+ a :: same_type:st(integer()),
+ b :: same_type:st(atom())
+ }).
+
+baz(Bar) ->
+ _ = wrap_find(0, Bar#bar.a),
+ wrap_find(0, Bar#bar.b).
+
+wrap_find(K, D) ->
+ same_type:t(K, D).
diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/para_bug/same_type.erl b/lib/dialyzer/test/opaque_SUITE_data/src/para_bug/same_type.erl
new file mode 100644
index 0000000000..855a5d30be
--- /dev/null
+++ b/lib/dialyzer/test/opaque_SUITE_data/src/para_bug/same_type.erl
@@ -0,0 +1,13 @@
+-module(same_type).
+
+-export([t/2]).
+
+-export_type([st/1]).
+
+%% When unopaqued all specializations of st/1 are equal.
+-opaque st(_A) :: {st, tuple()}.
+
+-spec t(_, st(_)) -> _.
+
+t(K, V) ->
+ {K, V}.
diff --git a/lib/dialyzer/test/small_SUITE_data/results/record_match b/lib/dialyzer/test/small_SUITE_data/results/record_match
new file mode 100644
index 0000000000..a0dd6f560a
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/record_match
@@ -0,0 +1,3 @@
+
+record_match.erl:16: Function select/0 has no local return
+record_match.erl:17: Matching of pattern {'b_literal', 'undefined'} tagged with a record name violates the declared type of #b_local{} | #b_remote{}
diff --git a/lib/dialyzer/test/small_SUITE_data/src/record_match.erl b/lib/dialyzer/test/small_SUITE_data/src/record_match.erl
new file mode 100644
index 0000000000..8e9b91937f
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/record_match.erl
@@ -0,0 +1,17 @@
+-module(record_match).
+
+-export([select/0]).
+
+-record(b_literal, {val}).
+-record(b_remote, {mod,name,arity}).
+-record(b_local, {name,arity}).
+
+-type b_remote() :: #b_remote{}.
+-type b_local() :: #b_local{}.
+
+-type argument() :: b_remote() | b_local().
+
+-record(b_set, {args=[] :: [argument()]}).
+
+select() ->
+ #b_set{args=[#b_remote{},#b_literal{}]}.
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml
index 6b84b22eb5..6bc7d147c0 100644
--- a/lib/diameter/doc/src/diameter.xml
+++ b/lib/diameter/doc/src/diameter.xml
@@ -1865,8 +1865,8 @@ An example return value with for a client service with Origin-Host
{raddr,{127,0,0,1}},
{rport,3868},
{reuseaddr,true}]}]},
- {watchdog,{&lt;0.66.0>,{1346,171491,996448},okay}},
- {peer,{&lt;0.67.0>,{1346,171491,999906}}},
+ {watchdog,{&lt;0.66.0>,-576460736368485571,okay}},
+ {peer,{&lt;0.67.0>,-576460736357885808}},
{apps,[{0,common}]},
{caps,[{origin_host,{"client.example.com","server.example.com"}},
{origin_realm,{"example.com","example.com"}},
@@ -1946,8 +1946,8 @@ connection might look as follows.</p>
{transport_config,[{reuseaddr,true},
{ip,{127,0,0,1}},
{port,3868}]}]},
- {accept,[[{watchdog,{&lt;0.56.0>,{1346,171481,226895},okay}},
- {peer,{&lt;0.58.0>,{1346,171491,999511}}},
+ {accept,[[{watchdog,{&lt;0.56.0>,-576460739249514012,okay}},
+ {peer,{&lt;0.58.0>,-576460638229179167}},
{apps,[{0,common}]},
{caps,[{origin_host,{"server.example.com","client.example.com"}},
{origin_realm,{"example.com","example.com"}},
@@ -1976,7 +1976,7 @@ connection might look as follows.</p>
{send_max,148},
{send_avg,87},
{send_pend,0}]}]}],
- [{watchdog,{&lt;0.72.0>,{1346,171491,998404},initial}}]]},
+ [{watchdog,{&lt;0.72.0>,-576460638229717546,initial}}]]},
{statistics,[{{{0,280,0},recv},7},
{{{0,280,1},send},7},
{{{0,280,0},recv,{'Result-Code',2001}},7},
@@ -2024,8 +2024,8 @@ A return value for the server above might look as follows.</p>
{transport_config,[{reuseaddr,true},
{ip,{127,0,0,1}},
{port,3868}]}]},
- {watchdog,{&lt;0.56.0>,{1346,171481,226895},okay}},
- {peer,{&lt;0.58.0>,{1346,171491,999511}}},
+ {watchdog,{&lt;0.56.0>,-576460739249514012,okay}},
+ {peer,{&lt;0.58.0>,-576460638229179167}},
{apps,[{0,common}]},
{caps,[{origin_host,{"server.example.com","client.example.com"}},
{origin_realm,{"example.com","example.com"}},
diff --git a/lib/diameter/src/base/diameter_reg.erl b/lib/diameter/src/base/diameter_reg.erl
index 5b7cfab31a..c1762a07e3 100644
--- a/lib/diameter/src/base/diameter_reg.erl
+++ b/lib/diameter/src/base/diameter_reg.erl
@@ -246,8 +246,11 @@ handle_call({add, Uniq, Key}, {Pid, _}, S) ->
handle_call({remove, Key}, {Pid, _}, S) ->
Rec = {Key, Pid},
- ets:delete_object(?TABLE, Rec),
- {reply, true, notify(remove, Rec, S)};
+ {reply, true, try
+ notify(remove, Rec, S)
+ after
+ ets:delete_object(?TABLE, Rec)
+ end};
handle_call({wait, Pat}, {Pid, _} = From, S) ->
NS = add_monitor(Pid, S),
@@ -370,10 +373,12 @@ send({_,_} = From, add, Rec) ->
down(Pid, #state{monitors = Ps} = S) ->
Recs = match('_', Pid),
- ets:match_delete(?TABLE, {'_', Pid}),
- lists:foldl(fun(R,NS) -> notify(remove, R, NS) end,
- flush(Pid, S#state{monitors = sets:del_element(Pid, Ps)}),
- Recs).
+ Acc0 = flush(Pid, S#state{monitors = sets:del_element(Pid, Ps)}),
+ try
+ lists:foldl(fun(R,NS) -> notify(remove, R, NS) end, Acc0, Recs)
+ after
+ ets:match_delete(?TABLE, {'_', Pid})
+ end.
%% flush/3
diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl
index 31dd92f878..cbe66ef27a 100644
--- a/lib/diameter/src/base/diameter_service.erl
+++ b/lib/diameter/src/base/diameter_service.erl
@@ -151,7 +151,7 @@
apps :: match([{0..16#FFFFFFFF, diameter:app_alias()}] %% {Id, Alias}
| [diameter:app_alias()]), %% remote
caps :: match(#diameter_caps{}),
- started = diameter_lib:now(), %% at process start or sharing
+ started = diameter_lib:now(), %% at connection_up
watchdog :: match(pid() %% key into watchdogT
| undefined)}). %% undefined if remote
@@ -554,15 +554,25 @@ terminate(Reason, #state{service_name = Name, local = {PeerT, _, _}} = S) ->
%% wait for watchdog state changes to take care of if. That this
%% takes place after deleting the state entry ensures that the
%% resulting failover by request processes accomplishes nothing.
- ets:foldl(fun(#peer{pid = TPid}, _) ->
- diameter_traffic:peer_down(TPid)
- end,
- ok,
- PeerT),
+ ets:foldl(fun peer_down/2, ok, PeerT),
shutdown == Reason %% application shutdown
andalso shutdown(application, S).
+%% peer_down/1
+%%
+%% Entries with watchdog state SUSPECT are already down: ignore the
+%% expected failure. This assumes the current implementation, but
+%% double the number of lookups (in the typical case) could be the
+%% greater evil if there are many peer connections.
+
+peer_down(#peer{pid = TPid}, _) ->
+ try
+ diameter_traffic:peer_down(TPid)
+ catch
+ error: {badmatch, []} -> ok
+ end.
+
%% ---------------------------------------------------------------------------
%% # code_change/3
%% ---------------------------------------------------------------------------
diff --git a/lib/diameter/src/diameter.appup.src b/lib/diameter/src/diameter.appup.src
index 7da59f8b25..05a8c9378e 100644
--- a/lib/diameter/src/diameter.appup.src
+++ b/lib/diameter/src/diameter.appup.src
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -54,10 +54,10 @@
{"1.12.1", [{restart_application, diameter}]}, %% 19.1
{"1.12.2", [{restart_application, diameter}]}, %% 19.3
{"2.0", [{restart_application, diameter}]}, %% 20.0
- {"2.1", [{load_module, diameter_gen}, %% 20.1
- {update, diameter_reg, {advanced, "2.1"}}]},
- {"2.1.1", [{load_module, diameter_gen}]}, %% 20.1.2
- {"2.1.2", []} %% 20.1.3
+ {"2.1", [{restart_application, diameter}]}, %% 20.1
+ {"2.1.1", [{restart_application, diameter}]}, %% 20.1.2
+ {"2.1.2", [{restart_application, diameter}]}, %% 20.1.3
+ {"2.1.3", [{restart_application, diameter}]} %% 20.2
],
[
{"0.9", [{restart_application, diameter}]},
@@ -94,7 +94,8 @@
{"1.12.2", [{restart_application, diameter}]},
{"2.0", [{restart_application, diameter}]},
{"2.1", [{restart_application, diameter}]},
- {"2.1.1", [{load_module, diameter_gen}]},
- {"2.1.2", []}
+ {"2.1.1", [{restart_application, diameter}]},
+ {"2.1.2", [{restart_application, diameter}]},
+ {"2.1.3", [{restart_application, diameter}]}
]
}.
diff --git a/lib/diameter/vsn.mk b/lib/diameter/vsn.mk
index 0c852d75cd..b0fb4ada28 100644
--- a/lib/diameter/vsn.mk
+++ b/lib/diameter/vsn.mk
@@ -1,6 +1,6 @@
# %CopyrightBegin%
#
-# Copyright Ericsson AB 2010-2017. All Rights Reserved.
+# Copyright Ericsson AB 2010-2018. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -17,5 +17,5 @@
# %CopyrightEnd%
APPLICATION = diameter
-DIAMETER_VSN = 2.1.3
+DIAMETER_VSN = 2.1.4
APP_VSN = $(APPLICATION)-$(DIAMETER_VSN)$(PRE_VSN)
diff --git a/lib/hipe/icode/hipe_icode_inline_bifs.erl b/lib/hipe/icode/hipe_icode_inline_bifs.erl
index 7a6947f190..16a95991e7 100644
--- a/lib/hipe/icode/hipe_icode_inline_bifs.erl
+++ b/lib/hipe/icode/hipe_icode_inline_bifs.erl
@@ -24,8 +24,9 @@
%% Currently inlined BIFs:
%% and, or, xor, not, <, >, >=, =<, ==, /=, =/=, =:=
-%% is_atom, is_boolean, is_binary, is_float, is_function,
-%% is_integer, is_list, is_pid, is_port, is_reference, is_tuple
+%% is_atom, is_binary, is_bitstring, is_boolean, is_float,
+%% is_function, is_integer, is_list, is_map, is_number,
+%% is_pid, is_port, is_reference, is_tuple
-module(hipe_icode_inline_bifs).
@@ -116,17 +117,20 @@ try_type_tests(I) -> I.
is_type_test(Name) ->
case Name of
- is_integer -> {true, integer};
+ is_atom -> {true, atom};
+ is_binary -> {true, binary};
+ is_bitstring -> {true, bitstr};
+ is_boolean -> {true, boolean};
is_float -> {true, float};
- is_tuple -> {true, tuple};
- is_binary -> {true, binary};
+ is_function -> {true, function};
+ is_integer -> {true, integer};
is_list -> {true, list};
+ is_map -> {true, map};
+ is_number -> {true, number};
is_pid -> {true, pid};
- is_atom -> {true, atom};
- is_boolean -> {true, boolean};
- is_function -> {true, function};
- is_reference -> {true, reference};
is_port -> {true, port};
+ is_reference -> {true, reference};
+ is_tuple -> {true, tuple};
_ -> false
end.
diff --git a/lib/inets/doc/src/http_client.xml b/lib/inets/doc/src/http_client.xml
index 212958f17f..15e383ec77 100644
--- a/lib/inets/doc/src/http_client.xml
+++ b/lib/inets/doc/src/http_client.xml
@@ -97,27 +97,32 @@
7 > {ok, {{NewVersion, 200, NewReasonPhrase}, NewHeaders, NewBody}} =
httpc:request(get, {"http://www.erlang.org", [{"connection", "close"}]},
[], []).</code>
-
+ <p>This sends an HTTP request over a unix domain socket (experimental):</p>
+ <code type="erl">
+ 8 > httpc:set_options([{ipfamily, local},
+ {unix_socket,"/tmp/unix_socket/consul_http.sock"}]).
+ 9 > {ok, {{NewVersion, 200, NewReasonPhrase}, NewHeaders, NewBody}} =
+ httpc:request(put, {"http:///v1/kv/foo", [], [], "hello"}, [], []).</code>
<p>Start an HTTP client profile:</p>
<code><![CDATA[
- 8 > {ok, Pid} = inets:start(httpc, [{profile, foo}]).
+ 10 > {ok, Pid} = inets:start(httpc, [{profile, foo}]).
{ok, <0.45.0>}
]]></code>
<p>The new profile has no proxy settings, so the connection is refused:</p>
<code type="erl">
- 9 > httpc:request("http://www.erlang.org", foo).
+ 11 > httpc:request("http://www.erlang.org", foo).
{error, econnrefused}</code>
<p>Stop the HTTP client profile:</p>
<code type="erl">
- 10 > inets:stop(httpc, foo).
+ 12 > inets:stop(httpc, foo).
ok</code>
<p>Alternative way to stop the HTTP client profile:</p>
<code type="erl">
- 10 > inets:stop(httpc, Pid).
+ 13 > inets:stop(httpc, Pid).
ok</code>
</section>
diff --git a/lib/inets/doc/src/http_uri.xml b/lib/inets/doc/src/http_uri.xml
index 20c042c202..f57214a7ce 100644
--- a/lib/inets/doc/src/http_uri.xml
+++ b/lib/inets/doc/src/http_uri.xml
@@ -45,7 +45,6 @@
this module:</p>
<p><c>boolean() = true | false</c></p>
<p><c>string()</c> = list of ASCII characters</p>
- <p><c>unicode_binary()</c> = binary() with characters encoded in the UTF-8 coding standard</p>
</section>
@@ -54,22 +53,22 @@
<p>Type definitions that are related to URI:</p>
<taglist>
- <tag><c>uri() = string() | unicode:unicode_binary()</c></tag>
+ <tag><c>uri() = string() | binary()</c></tag>
<item><p>Syntax according to the URI definition in RFC 3986,
for example, "http://www.erlang.org/"</p></item>
- <tag><c>user_info() = string() | unicode:unicode_binary()</c></tag>
+ <tag><c>user_info() = string() | binary()</c></tag>
<item><p></p></item>
<tag><c>scheme() = atom()</c></tag>
<item><p>Example: http, https</p></item>
- <tag><c>host() = string() | unicode:unicode_binary()</c></tag>
+ <tag><c>host() = string() | binary()</c></tag>
<item><p></p></item>
- <tag><c>port() = pos_integer()</c></tag>
+ <tag><c>port() = inet:port_number()</c></tag>
<item><p></p></item>
- <tag><c>path() = string() | unicode:unicode_binary()</c></tag>
+ <tag><c>path() = string() | binary()</c></tag>
<item><p>Represents a file path or directory path</p></item>
- <tag><c>query() = string() | unicode:unicode_binary()</c></tag>
+ <tag><c>query() = string() | binary()</c></tag>
<item><p></p></item>
- <tag><c>fragment() = string() | unicode:unicode_binary()</c></tag>
+ <tag><c>fragment() = string() | binary()</c></tag>
<item><p></p></item>
</taglist>
@@ -84,7 +83,7 @@
<fsummary>Decodes a hexadecimal encoded URI.</fsummary>
<type>
- <v>HexEncodedURI = string() | unicode:unicode_binary() - A possibly hexadecimal encoded URI</v>
+ <v>HexEncodedURI = string() | binary() - A possibly hexadecimal encoded URI</v>
<v>URI = uri()</v>
</type>
@@ -99,7 +98,7 @@
<fsummary>Encodes a hexadecimal encoded URI.</fsummary>
<type>
<v>URI = uri()</v>
- <v>HexEncodedURI = string() | unicode:unicode_binary() - Hexadecimal encoded URI</v>
+ <v>HexEncodedURI = string() | binary() - Hexadecimal encoded URI</v>
</type>
<desc>
@@ -119,12 +118,13 @@
<v>Option = {ipv6_host_with_brackets, boolean()} |
{scheme_defaults, scheme_defaults()} |
{fragment, boolean()} |
- {scheme_validation_fun, fun()}]</v>
+ {scheme_validation_fun, fun()}</v>
<v>Result = {Scheme, UserInfo, Host, Port, Path, Query} |
{Scheme, UserInfo, Host, Port, Path, Query, Fragment}</v>
+ <v>Scheme = scheme()</v>
<v>UserInfo = user_info()</v>
<v>Host = host()</v>
- <v>Port = pos_integer()</v>
+ <v>Port = inet:port_number()</v>
<v>Path = path()</v>
<v>Query = query()</v>
<v>Fragment = fragment()</v>
@@ -146,13 +146,20 @@
<p>Scheme validation fun is to be defined as follows:</p>
<code>
-fun(SchemeStr :: string() | unicode:unicode_binary()) ->
+fun(SchemeStr :: string() | binary()) ->
valid | {error, Reason :: term()}.
</code>
<p>It is called before scheme string gets converted into scheme atom and
thus possible atom leak could be prevented</p>
+ <warning>
+ <p>The scheme portion of the URI gets converted into atom,
+ meaning that atom leak may occur. Specifying a scheme
+ validation fun is recommended unless the URI is already
+ sanitized.</p>
+ </warning>
+
<marker id="encode"></marker>
</desc>
</func>
@@ -162,7 +169,7 @@ fun(SchemeStr :: string() | unicode:unicode_binary()) ->
<fsummary>A list of the scheme and their default ports.</fsummary>
<type>
<v>SchemeDefaults = [{scheme(), default_scheme_port_number()}] </v>
- <v>default_scheme_port_number() = pos_integer()</v>
+ <v>default_scheme_port_number() = inet:port_number()</v>
</type>
<desc>
<p>Provides a list of the scheme and their default
diff --git a/lib/inets/doc/src/httpc.xml b/lib/inets/doc/src/httpc.xml
index 58714328c5..14662f257c 100644
--- a/lib/inets/doc/src/httpc.xml
+++ b/lib/inets/doc/src/httpc.xml
@@ -210,7 +210,8 @@
ip |
port |
socket_opts |
- verbose</v>
+ verbose |
+ unix_socket</v>
<v>Profile = profile() | pid()</v>
<d>When started <c>stand_alone</c> only the pid can used.</d>
<v>Values = [{option_item(), term()}]</v>
@@ -297,8 +298,8 @@
{full_result, boolean()} |
{headers_as_is, boolean() |
{socket_opts, socket_opts()} |
- {receiver, receiver()},
- {ipv6_host_with_brackets, boolean()}}</v>
+ {receiver, receiver()} |
+ {ipv6_host_with_brackets, boolean()}</v>
<v>stream_to() = none | self | {self, once} | filename()</v>
<v>socket_opts() = [socket_opt()]</v>
<v>receiver() = pid() | function()/1 | {Module, Function, Args}</v>
@@ -533,7 +534,8 @@
<v>| {ip, IpAddress}</v>
<v>| {port, Port}</v>
<v>| {socket_opts, socket_opts()}</v>
- <v>| {verbose, VerboseMode}</v>
+ <v>| {verbose, VerboseMode}</v>
+ <v>| {unix_socket, UnixSocket}</v>
<v>Proxy = {Hostname, Port}</v>
<v>Hostname = string()</v>
<d>Example: "localhost" or "foo.bar.se"</d>
@@ -576,7 +578,7 @@
If option <c>verify</c> is used, function <c>store_cookies/2</c>
has to be called for the cookies to be saved.
Default is <c>disabled</c>.</d>
- <v>IpFamily = inet | inet6 </v>
+ <v>IpFamily = inet | inet6 | local</v>
<d>Default is <c>inet</c>.</d>
<v>IpAddress = ip_address()</v>
<d>If the host has several network interfaces, this option specifies
@@ -601,6 +603,12 @@
It is a debug feature.</d>
<v>Profile = profile() | pid()</v>
<d>When started <c>stand_alone</c> only the pid can be used.</d>
+ <v>UnixSocket = path()</v>
+ <d>
+ Experimental option for sending HTTP requests over a unix domain socket. The value
+ of <c>unix_socket</c> shall be the full path to a unix domain socket file with read/write
+ permissions for the erlang process. Default is <c>undefined</c>.
+ </d>
</type>
<desc>
<p>Sets options to be used for subsequent requests.</p>
diff --git a/lib/inets/src/http_client/httpc.erl b/lib/inets/src/http_client/httpc.erl
index 821eb7f02f..a73503a5ce 100644
--- a/lib/inets/src/http_client/httpc.erl
+++ b/lib/inets/src/http_client/httpc.erl
@@ -171,6 +171,7 @@ request(Method,
HTTPOptions, Options, Profile)
when (Method =:= options) orelse
(Method =:= get) orelse
+ (Method =:= put) orelse
(Method =:= head) orelse
(Method =:= delete) orelse
(Method =:= trace) andalso
@@ -531,6 +532,7 @@ handle_request(Method, Url,
Stream = proplists:get_value(stream, Options),
Receiver = proplists:get_value(receiver, Options),
SocketOpts = proplists:get_value(socket_opts, Options),
+ UnixSocket = proplists:get_value(unix_socket, Options),
BracketedHost = proplists:get_value(ipv6_host_with_brackets,
Options),
@@ -558,6 +560,7 @@ handle_request(Method, Url,
headers_as_is = headers_as_is(Headers0, Options),
socket_opts = SocketOpts,
started = Started,
+ unix_socket = UnixSocket,
ipv6_host_with_brackets = BracketedHost},
case httpc_manager:request(Request, profile_name(Profile)) of
{ok, RequestId} ->
@@ -823,7 +826,7 @@ request_options_defaults() ->
error
end,
- VerifyBrackets = VerifyBoolean,
+ VerifyBrackets = VerifyBoolean,
[
{sync, true, VerifySync},
@@ -894,11 +897,36 @@ request_options_sanity_check(Opts) ->
end,
ok.
-validate_options(Options) ->
- (catch validate_options(Options, [])).
-
-validate_options([], ValidateOptions) ->
- {ok, lists:reverse(ValidateOptions)};
+validate_ipfamily_unix_socket(Options0) ->
+ IpFamily = proplists:get_value(ipfamily, Options0, inet),
+ UnixSocket = proplists:get_value(unix_socket, Options0, undefined),
+ Options1 = proplists:delete(ipfamily, Options0),
+ Options2 = proplists:delete(ipfamily, Options1),
+ validate_ipfamily_unix_socket(IpFamily, UnixSocket, Options2,
+ [{ipfamily, IpFamily}, {unix_socket, UnixSocket}]).
+%%
+validate_ipfamily_unix_socket(local, undefined, _Options, _Acc) ->
+ bad_option(unix_socket, undefined);
+validate_ipfamily_unix_socket(IpFamily, UnixSocket, _Options, _Acc)
+ when IpFamily =/= local, UnixSocket =/= undefined ->
+ bad_option(ipfamily, IpFamily);
+validate_ipfamily_unix_socket(IpFamily, UnixSocket, Options, Acc) ->
+ validate_ipfamily(IpFamily),
+ validate_unix_socket(UnixSocket),
+ {Options, Acc}.
+
+
+validate_options(Options0) ->
+ try
+ {Options, Acc} = validate_ipfamily_unix_socket(Options0),
+ validate_options(Options, Acc)
+ catch
+ error:Reason ->
+ {error, Reason}
+ end.
+%%
+validate_options([], ValidOptions) ->
+ {ok, lists:reverse(ValidOptions)};
validate_options([{proxy, Proxy} = Opt| Tail], Acc) ->
validate_proxy(Proxy),
@@ -958,6 +986,10 @@ validate_options([{verbose, Value} = Opt| Tail], Acc) ->
validate_verbose(Value),
validate_options(Tail, [Opt | Acc]);
+validate_options([{unix_socket, Value} = Opt| Tail], Acc) ->
+ validate_unix_socket(Value),
+ validate_options(Tail, [Opt | Acc]);
+
validate_options([{_, _} = Opt| _], _Acc) ->
{error, {not_an_option, Opt}}.
@@ -1026,7 +1058,8 @@ validate_ipv6(BadValue) ->
bad_option(ipv6, BadValue).
validate_ipfamily(Value)
- when (Value =:= inet) orelse (Value =:= inet6) orelse (Value =:= inet6fb4) ->
+ when (Value =:= inet) orelse (Value =:= inet6) orelse
+ (Value =:= inet6fb4) orelse (Value =:= local) ->
Value;
validate_ipfamily(BadValue) ->
bad_option(ipfamily, BadValue).
@@ -1056,6 +1089,15 @@ validate_verbose(Value)
validate_verbose(BadValue) ->
bad_option(verbose, BadValue).
+validate_unix_socket(Value)
+ when (Value =:= undefined) ->
+ Value;
+validate_unix_socket(Value)
+ when is_list(Value) andalso length(Value) > 0 ->
+ Value;
+validate_unix_socket(BadValue) ->
+ bad_option(unix_socket, BadValue).
+
bad_option(Option, BadValue) ->
throw({error, {bad_option, Option, BadValue}}).
diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 1d569bd2ff..9b09832eb8 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -711,9 +711,9 @@ do_handle_info({'EXIT', _, _}, State = #state{request = undefined}) ->
%% can retry requests in the pipeline.
do_handle_info({'EXIT', _, _}, State) ->
{noreply, State#state{status = close}}.
-
+
call(Msg, Pid) ->
- try gen_server:call(Pid, Msg)
+ try gen_server:call(Pid, Msg, infinity)
catch
exit:{noproc, _} ->
{error, closed};
@@ -754,6 +754,7 @@ connect(SocketType, ToAddress,
#options{ipfamily = IpFamily,
ip = FromAddress,
port = FromPort,
+ unix_socket = UnixSocket,
socket_opts = Opts0}, Timeout) ->
Opts1 =
case FromPort of
@@ -789,6 +790,16 @@ connect(SocketType, ToAddress,
OK ->
OK
end;
+ local ->
+ Opts3 = [IpFamily | Opts2],
+ SocketAddr = {local, UnixSocket},
+ case http_transport:connect(SocketType, {SocketAddr, 0}, Opts3, Timeout) of
+ {error, Reason} ->
+ {error, {failed_connect, [{to_address, SocketAddr},
+ {IpFamily, Opts3, Reason}]}};
+ Else ->
+ Else
+ end;
_ ->
Opts3 = [IpFamily | Opts2],
case http_transport:connect(SocketType, ToAddress, Opts3, Timeout) of
@@ -800,9 +811,23 @@ connect(SocketType, ToAddress,
end
end.
-connect_and_send_first_request(Address, Request, #state{options = Options} = State) ->
+handle_unix_socket_options(#request{unix_socket = UnixSocket}, Options)
+ when UnixSocket =:= undefined ->
+ Options;
+
+handle_unix_socket_options(#request{unix_socket = UnixSocket},
+ Options = #options{ipfamily = IpFamily}) ->
+ case IpFamily of
+ local ->
+ Options#options{unix_socket = UnixSocket};
+ Else ->
+ error({badarg, [{ipfamily, Else}, {unix_socket, UnixSocket}]})
+ end.
+
+connect_and_send_first_request(Address, Request, #state{options = Options0} = State) ->
SocketType = socket_type(Request),
ConnTimeout = (Request#request.settings)#http_options.connect_timeout,
+ Options = handle_unix_socket_options(Request, Options0),
case connect(SocketType, Address, Options, ConnTimeout) of
{ok, Socket} ->
ClientClose =
@@ -841,9 +866,10 @@ connect_and_send_first_request(Address, Request, #state{options = Options} = Sta
{ok, State#state{request = Request}}
end.
-connect_and_send_upgrade_request(Address, Request, #state{options = Options} = State) ->
+connect_and_send_upgrade_request(Address, Request, #state{options = Options0} = State) ->
ConnTimeout = (Request#request.settings)#http_options.connect_timeout,
SocketType = ip_comm,
+ Options = handle_unix_socket_options(Request, Options0),
case connect(SocketType, Address, Options, ConnTimeout) of
{ok, Socket} ->
SessionType = httpc_manager:session_type(Options),
diff --git a/lib/inets/src/http_client/httpc_internal.hrl b/lib/inets/src/http_client/httpc_internal.hrl
index 5f8c70f28d..c5fe439722 100644
--- a/lib/inets/src/http_client/httpc_internal.hrl
+++ b/lib/inets/src/http_client/httpc_internal.hrl
@@ -83,10 +83,11 @@
max_sessions = ?HTTP_MAX_TCP_SESSIONS,
cookies = disabled, % enabled | disabled | verify
verbose = false, % boolean(),
- ipfamily = inet, % inet | inet6 | inet6fb4
+ ipfamily = inet, % inet | inet6 | inet6fb4 | local
ip = default, % specify local interface
port = default, % specify local port
- socket_opts = [] % other socket options
+ socket_opts = [], % other socket options
+ unix_socket = undefined % Local unix socket
}
).
-type options() :: #options{}.
@@ -115,6 +116,7 @@
% request
timer :: undefined | reference(),
socket_opts, % undefined | [socket_option()]
+ unix_socket, % undefined | string()
ipv6_host_with_brackets % boolean()
}
).
diff --git a/lib/inets/src/http_client/httpc_manager.erl b/lib/inets/src/http_client/httpc_manager.erl
index ffdf1603b3..7b8d7875de 100644
--- a/lib/inets/src/http_client/httpc_manager.erl
+++ b/lib/inets/src/http_client/httpc_manager.erl
@@ -553,7 +553,8 @@ handle_cast({set_options, Options}, State = #state{options = OldOptions}) ->
ip = get_ip(Options, OldOptions),
port = get_port(Options, OldOptions),
verbose = get_verbose(Options, OldOptions),
- socket_opts = get_socket_opts(Options, OldOptions)
+ socket_opts = get_socket_opts(Options, OldOptions),
+ unix_socket = get_unix_socket_opts(Options, OldOptions)
},
case {OldOptions#options.verbose, NewOptions#options.verbose} of
{Same, Same} ->
@@ -963,7 +964,10 @@ get_option(ip, #options{ip = IP}) ->
get_option(port, #options{port = Port}) ->
Port;
get_option(socket_opts, #options{socket_opts = SocketOpts}) ->
- SocketOpts.
+ SocketOpts;
+get_option(unix_socket, #options{unix_socket = UnixSocket}) ->
+ UnixSocket.
+
get_proxy(Opts, #options{proxy = Default}) ->
proplists:get_value(proxy, Opts, Default).
@@ -1016,6 +1020,8 @@ get_verbose(Opts, #options{verbose = Default}) ->
get_socket_opts(Opts, #options{socket_opts = Default}) ->
proplists:get_value(socket_opts, Opts, Default).
+get_unix_socket_opts(Opts, #options{unix_socket = Default}) ->
+ proplists:get_value(unix_socket, Opts, Default).
handle_verbose(debug) ->
dbg:p(self(), [call]),
diff --git a/lib/inets/src/http_lib/http_uri.erl b/lib/inets/src/http_lib/http_uri.erl
index 7f1ca02014..d02913121c 100644
--- a/lib/inets/src/http_lib/http_uri.erl
+++ b/lib/inets/src/http_lib/http_uri.erl
@@ -61,19 +61,35 @@
scheme_defaults/0,
encode/1, decode/1]).
--export_type([scheme/0, default_scheme_port_number/0]).
+-export_type([uri/0,
+ user_info/0,
+ scheme/0, default_scheme_port_number/0,
+ host/0,
+ path/0,
+ query/0,
+ fragment/0]).
+-type uri() :: string() | binary().
+-type user_info() :: string() | binary().
+-type scheme() :: atom().
+-type host() :: string() | binary().
+-type path() :: string() | binary().
+-type query() :: string() | binary().
+-type fragment() :: string() | binary().
+-type port_number() :: inet:port_number().
+-type default_scheme_port_number() :: port_number().
+-type hex_uri() :: string() | binary(). %% Hexadecimal encoded URI.
+-type maybe_hex_uri() :: string() | binary(). %% A possibly hexadecimal encoded URI.
+
+-type scheme_defaults() :: [{scheme(), default_scheme_port_number()}].
+-type scheme_validation_fun() :: fun((SchemeStr :: string() | binary()) ->
+ valid | {error, Reason :: term()}).
%%%=========================================================================
%%% API
%%%=========================================================================
--type scheme() :: atom().
--type default_scheme_port_number() :: pos_integer().
-
--spec scheme_defaults() ->
- [{scheme(), default_scheme_port_number()}].
-
+-spec scheme_defaults() -> scheme_defaults().
scheme_defaults() ->
[{http, 80},
{https, 443},
@@ -82,9 +98,20 @@ scheme_defaults() ->
{sftp, 22},
{tftp, 69}].
+-type parse_result() ::
+ {scheme(), user_info(), host(), port_number(), path(), query()} |
+ {scheme(), user_info(), host(), port_number(), path(), query(),
+ fragment()}.
+
+-spec parse(uri()) -> {ok, parse_result()} | {error, term()}.
parse(AbsURI) ->
parse(AbsURI, []).
+-spec parse(uri(), [Option]) -> {ok, parse_result()} | {error, term()} when
+ Option :: {ipv6_host_with_brackets, boolean()} |
+ {scheme_defaults, scheme_defaults()} |
+ {fragment, boolean()} |
+ {scheme_validation_fun, scheme_validation_fun() | none}.
parse(AbsURI, Opts) ->
case parse_scheme(AbsURI, Opts) of
{error, Reason} ->
@@ -105,6 +132,7 @@ reserved() ->
$#, $[, $], $<, $>, $\", ${, $}, $|, %"
$\\, $', $^, $%, $ ]).
+-spec encode(uri()) -> hex_uri().
encode(URI) when is_list(URI) ->
Reserved = reserved(),
lists:append([uri_encode(Char, Reserved) || Char <- URI]);
@@ -112,6 +140,7 @@ encode(URI) when is_binary(URI) ->
Reserved = reserved(),
<< <<(uri_encode_binary(Char, Reserved))/binary>> || <<Char>> <= URI >>.
+-spec decode(maybe_hex_uri()) -> uri().
decode(String) when is_list(String) ->
do_decode(String);
decode(String) when is_binary(String) ->
diff --git a/lib/inets/src/inets_app/inets.appup.src b/lib/inets/src/inets_app/inets.appup.src
index fdf4cc6e07..a86413147c 100644
--- a/lib/inets/src/inets_app/inets.appup.src
+++ b/lib/inets/src/inets_app/inets.appup.src
@@ -18,14 +18,10 @@
%% %CopyrightEnd%
{"%VSN%",
[
- {<<"6.4.3">>, [{load_module, httpd_esi,
- soft_purge, soft_purge, []}]},
{<<"6\\..*">>,[{restart_application, inets}]},
{<<"5\\..*">>,[{restart_application, inets}]}
],
[
- {<<"6.4.3">>, [{load_module, httpd_esi,
- soft_purge, soft_purge, []}]},
{<<"6\\..*">>,[{restart_application, inets}]},
{<<"5\\..*">>,[{restart_application, inets}]}
]
diff --git a/lib/inets/test/http_test_lib.erl b/lib/inets/test/http_test_lib.erl
index 38e9e4976e..4e119cce04 100644
--- a/lib/inets/test/http_test_lib.erl
+++ b/lib/inets/test/http_test_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2015-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2015-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -55,6 +55,25 @@ dummy_server_init(Caller, ip_comm, Inet, Extra) ->
]]},
[], ContentCb, Conf, ListenSocket);
+dummy_server_init(Caller, unix_socket, Inet, Extra) ->
+ ContentCb = proplists:get_value(content_cb, Extra),
+ UnixSocket = proplists:get_value(unix_socket, Extra),
+ SocketAddr = {local, UnixSocket},
+ BaseOpts = [binary, {packet, 0}, {reuseaddr,true}, {active, false}, {nodelay, true},
+ {ifaddr, SocketAddr}],
+ Conf = proplists:get_value(conf, Extra),
+ {ok, ListenSocket} = gen_tcp:listen(0, [Inet | BaseOpts]),
+ {ok, Port} = inet:port(ListenSocket),
+ Caller ! {port, Port},
+ dummy_ipcomm_server_loop({httpd_request, parse, [[{max_uri, ?HTTP_MAX_URI_SIZE},
+ {max_header, ?HTTP_MAX_HEADER_SIZE},
+ {max_version,?HTTP_MAX_VERSION_STRING},
+ {max_method, ?HTTP_MAX_METHOD_STRING},
+ {max_content_length, ?HTTP_MAX_CONTENT_LENGTH},
+ {customize, httpd_custom}
+ ]]},
+ [], ContentCb, Conf, ListenSocket);
+
dummy_server_init(Caller, ssl, Inet, Extra) ->
ContentCb = proplists:get_value(content_cb, Extra),
SSLOptions = proplists:get_value(ssl, Extra),
diff --git a/lib/inets/test/httpc_SUITE.erl b/lib/inets/test/httpc_SUITE.erl
index 0533b9ab70..38705372c9 100644
--- a/lib/inets/test/httpc_SUITE.erl
+++ b/lib/inets/test/httpc_SUITE.erl
@@ -37,6 +37,10 @@
-define(TLS_URL_START, "https://").
-define(NOT_IN_USE_PORT, 8997).
+%% Using hardcoded file path to keep it below 107 charaters
+%% (maximum length supported by erlang)
+-define(UNIX_SOCKET, "/tmp/inets_httpc_SUITE.sock").
+
-record(sslsocket, {fd = nil, pid = nil}).
%%--------------------------------------------------------------------
%% Common Test interface functions -----------------------------------
@@ -50,6 +54,8 @@ all() ->
[
{group, http},
{group, sim_http},
+ {group, http_internal},
+ {group, http_unix_socket},
{group, https},
{group, sim_https},
{group, misc}
@@ -62,6 +68,8 @@ groups() ->
%% and it shall be the last test case in the suite otherwise cookie
%% will fail.
{sim_http, [], only_simulated() ++ [process_leak_on_keepalive]},
+ {http_internal, [], real_requests_esi()},
+ {http_unix_socket, [], simulated_unix_socket()},
{https, [], real_requests()},
{sim_https, [], only_simulated()},
{misc, [], misc()}
@@ -97,6 +105,12 @@ real_requests()->
invalid_body
].
+real_requests_esi() ->
+ [slow_connection].
+
+simulated_unix_socket() ->
+ [unix_domain_socket].
+
only_simulated() ->
[
cookie,
@@ -182,15 +196,29 @@ init_per_group(Group, Config0) when Group =:= sim_https; Group =:= https->
_:_ ->
{skip, "Crypto did not start"}
end;
-
+init_per_group(http_unix_socket = Group, Config0) ->
+ case os:type() of
+ {win32,_} ->
+ {skip, "Unix Domain Sockets are not supported on Windows"};
+ _ ->
+ file:delete(?UNIX_SOCKET),
+ start_apps(Group),
+ Config = proplists:delete(port, Config0),
+ Port = server_start(Group, server_config(Group, Config)),
+ [{port, Port} | Config]
+ end;
init_per_group(Group, Config0) ->
start_apps(Group),
Config = proplists:delete(port, Config0),
Port = server_start(Group, server_config(Group, Config)),
[{port, Port} | Config].
+end_per_group(http_unix_socket,_Config) ->
+ file:delete(?UNIX_SOCKET),
+ ok;
end_per_group(_, _Config) ->
ok.
+
do_init_per_group(Group, Config0) ->
Config = proplists:delete(port, Config0),
Port = server_start(Group, server_config(Group, Config)),
@@ -1245,7 +1273,40 @@ stream_fun_server_close(Config) when is_list(Config) ->
after 13000 ->
ct:fail(did_not_receive_close)
end.
-
+
+%%--------------------------------------------------------------------
+slow_connection() ->
+ [{doc, "Test that a request on a slow keep-alive connection won't crash the httpc_manager"}].
+slow_connection(Config) when is_list(Config) ->
+ BodyFun = fun(0) -> eof;
+ (LenLeft) -> timer:sleep(1000),
+ {ok, lists:duplicate(10, "1"), LenLeft - 10}
+ end,
+ Request = {url(group_name(Config), "/httpc_SUITE:esi_post", Config),
+ [{"content-length", "100"}],
+ "text/plain",
+ {BodyFun, 100}},
+ {ok, _} = httpc:request(post, Request, [], []),
+ %% Second request causes a crash if gen_server timeout is not set to infinity
+ %% in httpc_handler.
+ {ok, _} = httpc:request(post, Request, [], []).
+
+%%-------------------------------------------------------------------------
+unix_domain_socket() ->
+ [{"doc, Test HTTP requests over unix domain sockets"}].
+unix_domain_socket(Config) when is_list(Config) ->
+
+ URL = "http:///v1/kv/foo",
+
+ {ok,[{unix_socket,?UNIX_SOCKET}]} =
+ httpc:get_options([unix_socket]),
+ {ok, {{_,200,_}, [_ | _], _}}
+ = httpc:request(put, {URL, [], [], ""}, [], []),
+ {ok, {{_,200,_}, [_ | _], _}}
+ = httpc:request(get, {URL, []}, [], []).
+
+
+
%%--------------------------------------------------------------------
%% Internal Functions ------------------------------------------------
%%--------------------------------------------------------------------
@@ -1339,6 +1400,8 @@ url(https, End, Config) ->
?TLS_URL_START ++ Host ++ ":" ++ integer_to_list(Port) ++ End;
url(sim_http, End, Config) ->
url(http, End, Config);
+url(http_internal, End, Config) ->
+ url(http, End, Config);
url(sim_https, End, Config) ->
url(https, End, Config).
url(http, UserInfo, End, Config) ->
@@ -1358,19 +1421,28 @@ group_name(Config) ->
server_start(sim_http, _) ->
Inet = inet_version(),
- ok = httpc:set_options([{ipfamily, Inet}]),
+ ok = httpc:set_options([{ipfamily, Inet},{unix_socket, undefined}]),
{_Pid, Port} = http_test_lib:dummy_server(ip_comm, Inet, [{content_cb, ?MODULE}]),
Port;
server_start(sim_https, SslConfig) ->
Inet = inet_version(),
- ok = httpc:set_options([{ipfamily, Inet}]),
+ ok = httpc:set_options([{ipfamily, Inet},{unix_socket, undefined}]),
{_Pid, Port} = http_test_lib:dummy_server(ssl, Inet, [{ssl, SslConfig}, {content_cb, ?MODULE}]),
Port;
+server_start(http_unix_socket, Config) ->
+ Inet = local,
+ Socket = proplists:get_value(unix_socket, Config),
+ ok = httpc:set_options([{ipfamily, Inet},{unix_socket, Socket}]),
+ {_Pid, Port} = http_test_lib:dummy_server(unix_socket, Inet, [{content_cb, ?MODULE},
+ {unix_socket, Socket}]),
+ Port;
+
server_start(_, HttpdConfig) ->
{ok, Pid} = inets:start(httpd, HttpdConfig),
Serv = inets:services_info(),
+ ok = httpc:set_options([{ipfamily, inet_version()},{unix_socket, undefined}]),
{value, {_, _, Info}} = lists:keysearch(Pid, 2, Serv),
proplists:get_value(port, Info).
@@ -1385,14 +1457,31 @@ server_config(http, Config) ->
{mime_type, "text/plain"},
{script_alias, {"/cgi-bin/", filename:join(ServerRoot, "cgi-bin") ++ "/"}}
];
-
+server_config(http_internal, Config) ->
+ ServerRoot = proplists:get_value(server_root, Config),
+ [{port, 0},
+ {server_name,"httpc_test"},
+ {server_root, ServerRoot},
+ {document_root, proplists:get_value(doc_root, Config)},
+ {bind_address, any},
+ {ipfamily, inet_version()},
+ {mime_type, "text/plain"},
+ {erl_script_alias, {"", [httpc_SUITE]}}
+ ];
server_config(https, Config) ->
[{socket_type, {essl, ssl_config(Config)}} | server_config(http, Config)];
server_config(sim_https, Config) ->
ssl_config(Config);
+server_config(http_unix_socket, _Config) ->
+ Socket = ?UNIX_SOCKET,
+ [{unix_socket, Socket}];
+
server_config(_, _) ->
[].
+esi_post(Sid, _Env, _Input) ->
+ mod_esi:deliver(Sid, ["OK"]).
+
start_apps(https) ->
inets_test_lib:start_apps([crypto, public_key, ssl]);
start_apps(sim_https) ->
@@ -2131,6 +2220,19 @@ handle_uri(_,"/delay_close.html",_,_,Socket,_) ->
handle_uri("HEAD",_,_,_,_,_) ->
"HTTP/1.1 200 ok\r\n" ++
"Content-Length:0\r\n\r\n";
+handle_uri("PUT","/v1/kv/foo",_,_,_,_) ->
+ "HTTP/1.1 200 OK\r\n" ++
+ "Date: Tue, 20 Feb 2018 14:39:08 GMT\r\n" ++
+ "Content-Length: 5\r\n\r\n" ++
+ "Content-Type: application/json\r\n\r\n" ++
+ "true\n";
+handle_uri("GET","/v1/kv/foo",_,_,_,_) ->
+ "HTTP/1.1 200 OK\r\n" ++
+ "Date: Tue, 20 Feb 2018 14:39:08 GMT\r\n" ++
+ "Content-Length: 24\r\n" ++
+ "Content-Type: application/json\r\n\r\n" ++
+ "[{\"Value\": \"aGVsbG8=\"}]\n";
+
handle_uri(_,_,_,_,_,DefaultResponse) ->
DefaultResponse.
diff --git a/lib/inets/vsn.mk b/lib/inets/vsn.mk
index 05cf4f6cc3..1fad9afe33 100644
--- a/lib/inets/vsn.mk
+++ b/lib/inets/vsn.mk
@@ -19,6 +19,6 @@
# %CopyrightEnd%
APPLICATION = inets
-INETS_VSN = 6.4.5
+INETS_VSN = 6.5
PRE_VSN =
APP_VSN = "$(APPLICATION)-$(INETS_VSN)$(PRE_VSN)"
diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml
index 8477b0e148..1b72769ce3 100644
--- a/lib/kernel/doc/src/file.xml
+++ b/lib/kernel/doc/src/file.xml
@@ -981,8 +981,7 @@ f.txt: {person, "kalle", 25}.
</item>
<tag><c>eisdir</c></tag>
<item>
- <p>The named file is not a regular file. It can be a
- directory, a FIFO, or a device.</p>
+ <p>The named file is a directory.</p>
</item>
<tag><c>enotdir</c></tag>
<item>
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index abb045b744..9552332948 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1997</year><year>2017</year>
+ <year>1997</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -277,9 +277,7 @@ fe80::204:acff:fe17:bf38
<p>Returns a <c>hostent</c> record for the host with the specified
hostname.</p>
<p>If resolver option <c>inet6</c> is <c>true</c>,
- an IPv6 address is looked up. If that fails,
- the IPv4 address is looked up and returned on
- IPv6-mapped IPv4 format.</p>
+ an IPv6 address is looked up.</p>
</desc>
</func>
@@ -582,6 +580,19 @@ get_tcpi_sacked(Sock) ->
</func>
<func>
+ <name name="ipv4_mapped_ipv6_address" arity="1" />
+ <fsummary>Convert to and from IPv4-mapped IPv6 address.</fsummary>
+ <desc>
+ <p>
+ Convert an IPv4 address to an IPv4-mapped IPv6 address
+ or the reverse. When converting from an IPv6 address
+ all but the 2 low words are ignored so this function also
+ works on some other types of addresses than IPv4-mapped.
+ </p>
+ </desc>
+ </func>
+
+ <func>
<name name="parse_strict_address" arity="1" />
<fsummary>Parse an IPv4 or IPv6 address strict.</fsummary>
<desc>
diff --git a/lib/kernel/doc/src/inet_res.xml b/lib/kernel/doc/src/inet_res.xml
index 3454e3c6f9..351d86a93a 100644
--- a/lib/kernel/doc/src/inet_res.xml
+++ b/lib/kernel/doc/src/inet_res.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2009</year><year>2015</year>
+ <year>2009</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -230,9 +230,7 @@ inet_dns:record_type(_) -> undefined.</pre>
<seealso marker="#getbyname/2"><c>getbyname/2,3</c></seealso>.
</p>
<p>If resolver option <c>inet6</c> is <c>true</c>,
- an IPv6 address is looked up. If that fails,
- the IPv4 address is looked up and returned on
- IPv6-mapped IPv4 format.</p>
+ an IPv6 address is looked up.</p>
</desc>
</func>
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml
index d7f224c38e..65fe9b9c07 100644
--- a/lib/kernel/doc/src/notes.xml
+++ b/lib/kernel/doc/src/notes.xml
@@ -31,6 +31,26 @@
</header>
<p>This document describes the changes made to the Kernel application.</p>
+<section><title>Kernel 5.4.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Add <c>os:cmd/2</c> that takes an options map as the
+ second argument.</p>
+ <p>
+ Add <c>max_size</c> as an option to <c>os:cmd/2</c> that
+ control the maximum size of the result that
+ <c>os:cmd/2</c> will return.</p>
+ <p>
+ Own Id: OTP-14823</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Kernel 5.4.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/kernel/doc/src/os.xml b/lib/kernel/doc/src/os.xml
index c27182ff0b..ef416ed233 100644
--- a/lib/kernel/doc/src/os.xml
+++ b/lib/kernel/doc/src/os.xml
@@ -103,7 +103,7 @@
</desc>
</datatype>
<datatype>
- <name name="command_input"/>
+ <name name="os_command"/>
<desc>
<p>All characters needs to be valid characters on the
specific OS using
@@ -116,19 +116,31 @@
</p>
</desc>
</datatype>
+ <datatype>
+ <name name="os_command_opts"/>
+ <desc>
+ <p>Options for <seealso marker="#cmd/2"><c>os:cmd/2</c></seealso></p>
+ <taglist>
+ <tag><c>max_size</c></tag>
+ <item>
+ <p>The maximum size of the data returned by the <c>os:cmd</c> call.
+ See the <seealso marker="#cmd/2"><c>os:cmd/2</c></seealso>
+ documentation for more details.</p>
+ </item>
+ </taglist>
+ </desc>
+ </datatype>
</datatypes>
-
+
<funcs>
<func>
<name name="cmd" arity="1"/>
+ <name name="cmd" arity="2"/>
<fsummary>Execute a command in a shell of the target OS.</fsummary>
<desc>
<p>Executes <c><anno>Command</anno></c> in a command shell of the
- target OS,
- captures the standard output of the command, and returns this
- result as a string. This function is a replacement of
- the previous function <c>unix:cmd/1</c>; they are equivalent on a
- Unix platform.</p>
+ target OS, captures the standard output of the command,
+ and returns this result as a string.</p>
<warning><p>Previous implementation used to allow all characters
as long as they were integer values greater than or equal to zero.
This sometimes lead to unwanted results since null characters
@@ -142,6 +154,21 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
called from another program (for example, <c>os:cmd/1</c>)
can differ, compared with the standard output of the command
when called directly from an OS command shell.</p>
+ <p><c>os:cmd/2</c> was added in kernel-5.5 (OTP-20.2.1). It makes it
+ possible to pass an options map as the second argument in order to
+ control the behaviour of <c>os:cmd</c>. The possible options are:
+ </p>
+ <taglist>
+ <tag><c>max_size</c></tag>
+ <item>
+ <p>The maximum size of the data returned by the <c>os:cmd</c> call.
+ This option is a safety feature that should be used when the command
+ executed can return a very large, possibly infinite, result.</p>
+ <code type="none">
+> os:cmd("cat /dev/zero", #{ max_size => 20 }).
+[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]</code>
+ </item>
+ </taglist>
</desc>
</func>
diff --git a/lib/kernel/doc/src/rpc.xml b/lib/kernel/doc/src/rpc.xml
index adec2d9520..fab616e630 100644
--- a/lib/kernel/doc/src/rpc.xml
+++ b/lib/kernel/doc/src/rpc.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2016</year>
+ <year>1996</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -217,7 +217,7 @@
<list type="bulleted">
<item>A list of the nodes that do not exist</item>
<item>A list of the nodes where the server does not exist</item>
- <item>A list of the nodes where the server terminatd before sending
+ <item>A list of the nodes where the server terminated before sending
any reply.</item>
</list>
</desc>
@@ -268,8 +268,9 @@
on the specified nodes and collects the answers. It returns
<c>{<anno>ResL</anno>, <anno>BadNodes</anno>}</c>, where
<c><anno>BadNodes</anno></c> is a list
- of the nodes that terminated or timed out during computation,
- and <c><anno>ResL</anno></c> is a list of the return values.
+ of the nodes that do not exist,
+ and <c><anno>ResL</anno></c> is a list of the return values,
+ or <c>{badrpc, <anno>Reason</anno>}</c> for failing calls.
<c><anno>Timeout</anno></c> is a time (integer) in milliseconds, or
<c>infinity</c>.</p>
<p>The following example is useful when new object code is to
@@ -347,7 +348,7 @@
<func>
<name name="pmap" arity="3"/>
- <fsummary>Parallell evaluation of mapping a function over a
+ <fsummary>Parallel evaluation of mapping a function over a
list.</fsummary>
<desc>
<p>Evaluates <c>apply(<anno>Module</anno>, <anno>Function</anno>,
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 418b0c50e1..f5a890cb95 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -340,8 +340,7 @@ handle_call(all_loaded, _From, S) ->
{reply,all_loaded(Db),S};
handle_call({get_object_code,Mod}, _From, St) when is_atom(Mod) ->
- Path = St#state.path,
- case mod_to_bin(Path, Mod) of
+ case get_object_code(St, Mod) of
{_,Bin,FName} -> {reply,{Mod,Bin,FName},St};
Error -> {reply,Error,St}
end;
@@ -1182,19 +1181,28 @@ load_file(Mod, From, St0) ->
end,
handle_pending_on_load(Action, Mod, From, St0).
-load_file_1(Mod, From, #state{path=Path}=St) ->
- case mod_to_bin(Path, Mod) of
+load_file_1(Mod, From, St) ->
+ case get_object_code(St, Mod) of
error ->
{reply,{error,nofile},St};
{Mod,Binary,File} ->
try_load_module_1(File, Mod, Binary, From, St)
end.
-mod_to_bin([Dir|Tail], Mod) ->
- File = filename:append(Dir, atom_to_list(Mod) ++ objfile_extension()),
+get_object_code(#state{path=Path}, Mod) when is_atom(Mod) ->
+ ModStr = atom_to_list(Mod),
+ case erl_prim_loader:is_basename(ModStr) of
+ true ->
+ mod_to_bin(Path, Mod, ModStr ++ objfile_extension());
+ false ->
+ error
+ end.
+
+mod_to_bin([Dir|Tail], Mod, ModFile) ->
+ File = filename:append(Dir, ModFile),
case erl_prim_loader:get_file(File) of
error ->
- mod_to_bin(Tail, Mod);
+ mod_to_bin(Tail, Mod, ModFile);
{ok,Bin,_} ->
case filename:pathtype(File) of
absolute ->
@@ -1203,10 +1211,9 @@ mod_to_bin([Dir|Tail], Mod) ->
{Mod,Bin,absname(File)}
end
end;
-mod_to_bin([], Mod) ->
+mod_to_bin([], Mod, ModFile) ->
%% At last, try also erl_prim_loader's own method
- File = to_list(Mod) ++ objfile_extension(),
- case erl_prim_loader:get_file(File) of
+ case erl_prim_loader:get_file(ModFile) of
error ->
error; % No more alternatives !
{ok,Bin,FName} ->
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl
index fe91b0d33e..4bad523dff 100644
--- a/lib/kernel/src/inet.erl
+++ b/lib/kernel/src/inet.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -34,7 +34,8 @@
ip/1, stats/0, options/0,
pushf/3, popf/1, close/1, gethostname/0, gethostname/1,
parse_ipv4_address/1, parse_ipv6_address/1, parse_ipv4strict_address/1,
- parse_ipv6strict_address/1, parse_address/1, parse_strict_address/1, ntoa/1]).
+ parse_ipv6strict_address/1, parse_address/1, parse_strict_address/1,
+ ntoa/1, ipv4_mapped_ipv6_address/1]).
-export([connect_options/2, listen_options/2, udp_options/2, sctp_options/2]).
-export([udp_module/1, tcp_module/1, tcp_module/2, sctp_module/1]).
@@ -675,6 +676,14 @@ parse_address(Addr) ->
parse_strict_address(Addr) ->
inet_parse:strict_address(Addr).
+-spec ipv4_mapped_ipv6_address(ip_address()) -> ip_address().
+ipv4_mapped_ipv6_address({D1,D2,D3,D4})
+ when (D1 bor D2 bor D3 bor D4) < 256 ->
+ {0,0,0,0,0,16#ffff,(D1 bsl 8) bor D2,(D3 bsl 8) bor D4};
+ipv4_mapped_ipv6_address({D1,D2,D3,D4,D5,D6,D7,D8})
+ when (D1 bor D2 bor D3 bor D4 bor D5 bor D6 bor D7 bor D8) < 65536 ->
+ {D7 bsr 8,D7 band 255,D8 bsr 8,D8 band 255}.
+
%% Return a list of available options
options() ->
[
@@ -1244,9 +1253,7 @@ gethostbyname_string(Name, Type)
inet ->
inet_parse:ipv4_address(Name);
inet6 ->
- %% XXX should we really translate IPv4 addresses here
- %% even if we do not know if this host can do IPv6?
- inet_parse:ipv6_address(Name)
+ inet_parse:ipv6strict_address(Name)
end of
{ok,IP} ->
{ok,make_hostent(Name, [IP], [], Type)};
diff --git a/lib/kernel/src/inet_hosts.erl b/lib/kernel/src/inet_hosts.erl
index 0bdf00ac30..fc653bf0d3 100644
--- a/lib/kernel/src/inet_hosts.erl
+++ b/lib/kernel/src/inet_hosts.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -72,9 +72,6 @@ gethostbyname(Name, Type, Byname, Byaddr) ->
gethostbyaddr({A,B,C,D}=IP) when ?ip(A,B,C,D) ->
gethostbyaddr(IP, inet);
-%% ipv4 only ipv6 address
-gethostbyaddr({0,0,0,0,0,16#ffff=F,G,H}) when ?ip6(0,0,0,0,0,F,G,H) ->
- gethostbyaddr({G bsr 8, G band 255, H bsr 8, H band 255});
gethostbyaddr({A,B,C,D,E,F,G,H}=IP) when ?ip6(A,B,C,D,E,F,G,H) ->
gethostbyaddr(IP, inet6);
gethostbyaddr(Addr) when is_list(Addr) ->
diff --git a/lib/kernel/src/inet_res.erl b/lib/kernel/src/inet_res.erl
index 49aa5f8bda..6454802b04 100644
--- a/lib/kernel/src/inet_res.erl
+++ b/lib/kernel/src/inet_res.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -349,9 +349,6 @@ gethostbyaddr_tm({A,B,C,D} = IP, Timer) when ?ip(A,B,C,D) ->
{ok, HEnt} -> {ok, HEnt};
_ -> res_gethostbyaddr(dn_in_addr_arpa(A,B,C,D), IP, Timer)
end;
-%% ipv4 only ipv6 address
-gethostbyaddr_tm({0,0,0,0,0,16#ffff,G,H},Timer) when is_integer(G+H) ->
- gethostbyaddr_tm({G div 256, G rem 256, H div 256, H rem 256},Timer);
gethostbyaddr_tm({A,B,C,D,E,F,G,H} = IP, Timer) when ?ip6(A,B,C,D,E,F,G,H) ->
inet_db:res_update_conf(),
case inet_db:gethostbyaddr(IP) of
@@ -431,28 +428,7 @@ gethostbyname(Name,Family,Timeout) ->
gethostbyname_tm(Name,inet,Timer) ->
getbyname_tm(Name,?S_A,Timer);
gethostbyname_tm(Name,inet6,Timer) ->
- case getbyname_tm(Name,?S_AAAA,Timer) of
- {ok,HEnt} -> {ok,HEnt};
- {error,nxdomain} ->
- case getbyname_tm(Name, ?S_A,Timer) of
- {ok, HEnt} ->
- %% rewrite to a ipv4 only ipv6 address
- {ok,
- HEnt#hostent {
- h_addrtype = inet6,
- h_length = 16,
- h_addr_list =
- lists:map(
- fun({A,B,C,D}) ->
- {0,0,0,0,0,16#ffff,A*256+B,C*256+D}
- end, HEnt#hostent.h_addr_list)
- }};
- Error ->
- Error
- end;
- Error ->
- Error
- end;
+ getbyname_tm(Name,?S_AAAA,Timer);
gethostbyname_tm(_Name, _Family, _Timer) ->
{error, einval}.
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index fbc046c8f9..77c883f57f 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -21,11 +21,11 @@
%% Provides a common operating system interface.
--export([type/0, version/0, cmd/1, find_executable/1, find_executable/2]).
+-export([type/0, version/0, cmd/1, cmd/2, find_executable/1, find_executable/2]).
-include("file.hrl").
--export_type([env_var_name/0, env_var_value/0, env_var_name_value/0, command_input/0]).
+-export_type([env_var_name/0, env_var_value/0, env_var_name_value/0]).
-export([getenv/0, getenv/1, getenv/2, putenv/2, unsetenv/1]).
@@ -35,14 +35,17 @@
perf_counter/1, set_env_var/2, set_signal/2, system_time/0,
system_time/1, timestamp/0, unset_env_var/1]).
+-type os_command() :: atom() | io_lib:chars().
+-type os_command_opts() :: #{ max_size => non_neg_integer() | infinity }.
+
+-export_type([os_command/0, os_command_opts/0]).
+
-type env_var_name() :: nonempty_string().
-type env_var_value() :: string().
-type env_var_name_value() :: nonempty_string().
--type command_input() :: atom() | io_lib:chars().
-
-spec list_env_vars() -> [{env_var_name(), env_var_value()}].
list_env_vars() ->
erlang:nif_error(undef).
@@ -260,14 +263,20 @@ extensions() ->
%% Executes the given command in the default shell for the operating system.
-spec cmd(Command) -> string() when
- Command :: os:command_input().
+ Command :: os_command().
cmd(Cmd) ->
+ cmd(Cmd, #{ }).
+
+-spec cmd(Command, Options) -> string() when
+ Command :: os_command(),
+ Options :: os_command_opts().
+cmd(Cmd, Opts) ->
{SpawnCmd, SpawnOpts, SpawnInput, Eot} = mk_cmd(os:type(), validate(Cmd)),
Port = open_port({spawn, SpawnCmd}, [binary, stderr_to_stdout,
stream, in, hide | SpawnOpts]),
MonRef = erlang:monitor(port, Port),
true = port_command(Port, SpawnInput),
- Bytes = get_data(Port, MonRef, Eot, []),
+ Bytes = get_data(Port, MonRef, Eot, [], 0, maps:get(max_size, Opts, infinity)),
demonitor(MonRef, [flush]),
String = unicode:characters_to_list(Bytes),
if %% Convert to unicode list if possible otherwise return bytes
@@ -332,12 +341,13 @@ validate2([List|Rest]) when is_list(List) ->
validate2(List),
validate2(Rest).
-get_data(Port, MonRef, Eot, Sofar) ->
+get_data(Port, MonRef, Eot, Sofar, Size, Max) ->
receive
{Port, {data, Bytes}} ->
- case eot(Bytes, Eot) of
+ case eot(Bytes, Eot, Size, Max) of
more ->
- get_data(Port, MonRef, Eot, [Sofar,Bytes]);
+ get_data(Port, MonRef, Eot, [Sofar, Bytes],
+ Size + byte_size(Bytes), Max);
Last ->
catch port_close(Port),
flush_until_down(Port, MonRef),
@@ -348,13 +358,16 @@ get_data(Port, MonRef, Eot, Sofar) ->
iolist_to_binary(Sofar)
end.
-eot(_Bs, <<>>) ->
+eot(Bs, <<>>, Size, Max) when Size + byte_size(Bs) < Max ->
more;
-eot(Bs, Eot) ->
+eot(Bs, <<>>, Size, Max) ->
+ binary:part(Bs, {0, Max - Size});
+eot(Bs, Eot, Size, Max) ->
case binary:match(Bs, Eot) of
- nomatch -> more;
- {Pos, _} ->
- binary:part(Bs,{0, Pos})
+ {Pos, _} when Size + Pos < Max ->
+ binary:part(Bs,{0, Pos});
+ _ ->
+ eot(Bs, <<>>, Size, Max)
end.
%% When port_close returns we know that all the
diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl
index 0e0b7dffa3..b04aa9030b 100644
--- a/lib/kernel/src/rpc.erl
+++ b/lib/kernel/src/rpc.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -498,7 +498,7 @@ start_monitor(Node, Name) ->
Module :: module(),
Function :: atom(),
Args :: [term()],
- ResL :: [term()],
+ ResL :: [Res :: term() | {'badrpc', Reason :: term()}],
BadNodes :: [node()].
multicall(M, F, A) ->
@@ -509,14 +509,14 @@ multicall(M, F, A) ->
Module :: module(),
Function :: atom(),
Args :: [term()],
- ResL :: [term()],
+ ResL :: [Res :: term() | {'badrpc', Reason :: term()}],
BadNodes :: [node()];
(Module, Function, Args, Timeout) -> {ResL, BadNodes} when
Module :: module(),
Function :: atom(),
Args :: [term()],
Timeout :: timeout(),
- ResL :: [term()],
+ ResL :: [Res :: term() | {'badrpc', Reason :: term()}],
BadNodes :: [node()].
multicall(Nodes, M, F, A) when is_list(Nodes) ->
@@ -531,7 +531,7 @@ multicall(M, F, A, Timeout) ->
Function :: atom(),
Args :: [term()],
Timeout :: timeout(),
- ResL :: [term()],
+ ResL :: [Res :: term() | {'badrpc', Reason :: term()}],
BadNodes :: [node()].
multicall(Nodes, M, F, A, infinity)
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index 073b391288..f6791adf86 100644
--- a/lib/kernel/test/erl_distribution_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_SUITE.erl
@@ -95,7 +95,11 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
-
+init_per_testcase(TC, Config) when TC == hostnames;
+ TC == nodenames ->
+ file:make_dir("hostnames_nodedir"),
+ file:write_file("hostnames_nodedir/ignore_core_files",""),
+ Config;
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
Config.
@@ -251,7 +255,7 @@ test_node(Name, Illigal) ->
end,
net_kernel:monitor_nodes(true),
BinCommand = unicode:characters_to_binary(Command, utf8),
- Prt = open_port({spawn, BinCommand}, [stream]),
+ Prt = open_port({spawn, BinCommand}, [stream,{cd,"hostnames_nodedir"}]),
Node = list_to_atom(Name),
receive
{nodeup, Node} ->
diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl
index 3b502be8b8..2e5f8c7d2c 100644
--- a/lib/kernel/test/inet_SUITE.erl
+++ b/lib/kernel/test/inet_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -40,7 +40,8 @@
lookup_bad_search_option/1,
getif/1,
getif_ifr_name_overflow/1,getservbyname_overflow/1, getifaddrs/1,
- parse_strict_address/1, simple_netns/1, simple_netns_open/1,
+ parse_strict_address/1, ipv4_mapped_ipv6_address/1,
+ simple_netns/1, simple_netns_open/1,
simple_bind_to_device/1, simple_bind_to_device_open/1]).
-export([get_hosts/1, get_ipv6_hosts/1, parse_hosts/1, parse_address/1,
@@ -667,6 +668,26 @@ parse_strict_address(Config) when is_list(Config) ->
{ok, {3089,3106,23603,50240,0,0,119,136}} =
inet:parse_strict_address("c11:0c22:5c33:c440::077:0088").
+ipv4_mapped_ipv6_address(Config) when is_list(Config) ->
+ {D1,D2,D3,D4} = IPv4Address =
+ {rand:uniform(256) - 1,
+ rand:uniform(256) - 1,
+ rand:uniform(256) - 1,
+ rand:uniform(256) - 1},
+ E7 = (D1 bsl 8) bor D2,
+ E8 = (D3 bsl 8) bor D4,
+ io:format("IPv4Address: ~p.~n", [IPv4Address]),
+ {0,0,0,0,0,65535,E7,E8} = inet:ipv4_mapped_ipv6_address(IPv4Address),
+ IPv6Address =
+ {rand:uniform(65536) - 1,
+ rand:uniform(65536) - 1,
+ rand:uniform(65536) - 1,
+ rand:uniform(65536) - 1,
+ rand:uniform(65536) - 1,
+ rand:uniform(65536) - 1, E7, E8},
+ IPv4Address = inet:ipv4_mapped_ipv6_address(IPv6Address),
+ ok.
+
t_gethostnative(Config) when is_list(Config) ->
%% this will result in 26 bytes sent which causes problem in Windows
%% if the port-program has not assured stdin to be read in BINARY mode
@@ -1083,11 +1104,9 @@ ifaddrs([{If,Opts}|IOs]) ->
#ifopts{flags=F} = Ifopts = check_ifopts(Opts, #ifopts{name=If}),
case F of
{flags,Flags} ->
- case lists:member(up, Flags) of
- true ->
- Ifopts#ifopts.addrs;
- false ->
- []
+ case lists:member(running, Flags) of
+ true -> Ifopts#ifopts.addrs;
+ false -> []
end ++ ifaddrs(IOs);
undefined ->
ifaddrs(IOs)
diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
index 8056321448..591fbb2125 100644
--- a/lib/kernel/test/os_SUITE.erl
+++ b/lib/kernel/test/os_SUITE.erl
@@ -26,7 +26,8 @@
null_in_command/1, space_in_name/1, bad_command/1,
find_executable/1, unix_comment_in_command/1, deep_list_command/1,
large_output_command/1, background_command/0, background_command/1,
- message_leak/1, close_stdin/0, close_stdin/1, perf_counter_api/1]).
+ message_leak/1, close_stdin/0, close_stdin/1, max_size_command/1,
+ perf_counter_api/1]).
-include_lib("common_test/include/ct.hrl").
@@ -39,7 +40,7 @@ all() ->
space_in_name, bad_command,
find_executable, unix_comment_in_command, deep_list_command,
large_output_command, background_command, message_leak,
- close_stdin, perf_counter_api].
+ close_stdin, max_size_command, perf_counter_api].
groups() ->
[].
@@ -322,6 +323,19 @@ close_stdin(Config) ->
"-1" = os:cmd(Fds).
+max_size_command(_Config) ->
+
+ Res20 = os:cmd("cat /dev/zero", #{ max_size => 20 }),
+ 20 = length(Res20),
+
+ Res0 = os:cmd("cat /dev/zero", #{ max_size => 0 }),
+ 0 = length(Res0),
+
+ Res32768 = os:cmd("cat /dev/zero", #{ max_size => 32768 }),
+ 32768 = length(Res32768),
+
+ ResHello = string:trim(os:cmd("echo hello", #{ max_size => 20 })),
+ 5 = length(ResHello).
%% Test that the os:perf_counter api works as expected
perf_counter_api(_Config) ->
diff --git a/lib/kernel/vsn.mk b/lib/kernel/vsn.mk
index 106bda01ca..91261e1d55 100644
--- a/lib/kernel/vsn.mk
+++ b/lib/kernel/vsn.mk
@@ -1 +1 @@
-KERNEL_VSN = 5.4.1
+KERNEL_VSN = 5.4.2
diff --git a/lib/observer/src/cdv_port_cb.erl b/lib/observer/src/cdv_port_cb.erl
index b5cbe8132d..6bb8f07a74 100644
--- a/lib/observer/src/cdv_port_cb.erl
+++ b/lib/observer/src/cdv_port_cb.erl
@@ -34,7 +34,8 @@
-define(COL_CONN, ?COL_ID+1).
-define(COL_NAME, ?COL_CONN+1).
-define(COL_CTRL, ?COL_NAME+1).
--define(COL_SLOT, ?COL_CTRL+1).
+-define(COL_QUEUE, ?COL_CTRL+1).
+-define(COL_SLOT, ?COL_QUEUE+1).
@@ -44,6 +45,7 @@ col_to_elem(?COL_ID) -> #port.id;
col_to_elem(?COL_CONN) -> #port.connected;
col_to_elem(?COL_NAME) -> #port.name;
col_to_elem(?COL_CTRL) -> #port.controls;
+col_to_elem(?COL_QUEUE) -> #port.queue;
col_to_elem(?COL_SLOT) -> #port.slot.
col_spec() ->
@@ -51,6 +53,7 @@ col_spec() ->
{"Connected", ?wxLIST_FORMAT_LEFT, 120},
{"Name", ?wxLIST_FORMAT_LEFT, 150},
{"Controls", ?wxLIST_FORMAT_LEFT, 200},
+ {"Queue", ?wxLIST_FORMAT_RIGHT, 100},
{"Slot", ?wxLIST_FORMAT_RIGHT, 50}].
get_info(_) ->
@@ -96,9 +99,17 @@ format(D) ->
info_fields() ->
[{"Overview",
[{"Name", name},
+ {"State", state},
+ {"Task Flags", task_flags},
{"Connected", {click,connected}},
{"Slot", slot},
- {"Controls", controls}]},
+ {"Controls", controls},
+ {"Input bytes", input},
+ {"Output bytes", output},
+ {"Queue bytes", queue},
+ {"Port data", port_data}]},
{scroll_boxes,
[{"Links",1,{click,links}},
- {"Monitors",1,{click,monitors}}]}].
+ {"Monitors",1,{click,monitors}},
+ {"Suspended",1,{click,suspended}}
+ ]}].
diff --git a/lib/observer/src/cdv_proc_cb.erl b/lib/observer/src/cdv_proc_cb.erl
index f10650bbb7..0ea23dd7cb 100644
--- a/lib/observer/src/cdv_proc_cb.erl
+++ b/lib/observer/src/cdv_proc_cb.erl
@@ -149,6 +149,10 @@ info_fields() ->
{"Old Heap", old_heap},
{"Heap Unused", heap_unused},
{"Old Heap Unused", old_heap_unused},
+ {"Binary vheap", bin_vheap},
+ {"Old Binary vheap", old_bin_vheap},
+ {"Binary vheap unused", bin_vheap_unused},
+ {"Old Binary vheap unused", old_bin_vheap_unused},
{"Number of Heap Fragements", num_heap_frag},
{"Heap Fragment Data",heap_frag_data},
{"New Heap Start", new_heap_start},
diff --git a/lib/observer/src/cdv_sched_cb.erl b/lib/observer/src/cdv_sched_cb.erl
index 192aaf31a7..d2696a276f 100644
--- a/lib/observer/src/cdv_sched_cb.erl
+++ b/lib/observer/src/cdv_sched_cb.erl
@@ -31,7 +31,8 @@
%% Columns
-define(COL_ID, 0).
--define(COL_PROC, ?COL_ID+1).
+-define(COL_TYPE, ?COL_ID+1).
+-define(COL_PROC, ?COL_TYPE+1).
-define(COL_PORT, ?COL_PROC+1).
-define(COL_RQL, ?COL_PORT+1).
-define(COL_PQL, ?COL_RQL+1).
@@ -39,6 +40,7 @@
%% Callbacks for cdv_virtual_list_wx
col_to_elem(id) -> col_to_elem(?COL_ID);
col_to_elem(?COL_ID) -> #sched.name;
+col_to_elem(?COL_TYPE) -> #sched.type;
col_to_elem(?COL_PROC) -> #sched.process;
col_to_elem(?COL_PORT) -> #sched.port;
col_to_elem(?COL_RQL) -> #sched.run_q;
@@ -46,6 +48,7 @@ col_to_elem(?COL_PQL) -> #sched.port_q.
col_spec() ->
[{"Id", ?wxLIST_FORMAT_RIGHT, 50},
+ {"Type", ?wxLIST_FORMAT_CENTER, 100},
{"Current Process", ?wxLIST_FORMAT_CENTER, 130},
{"Current Port", ?wxLIST_FORMAT_CENTER, 130},
{"Run Queue Length", ?wxLIST_FORMAT_RIGHT, 180},
@@ -73,7 +76,8 @@ detail_pages() ->
[{"Scheduler Information", fun init_gen_page/2}].
init_gen_page(Parent, Info0) ->
- Fields = info_fields(),
+ Type = proplists:get_value(type, Info0),
+ Fields = info_fields(Type),
Details = proplists:get_value(details, Info0),
Info = if is_map(Details) -> Info0 ++ maps:to_list(Details);
true -> Info0
@@ -81,15 +85,16 @@ init_gen_page(Parent, Info0) ->
cdv_info_wx:start_link(Parent,{Fields,Info,[]}).
%%% Internal
-info_fields() ->
+info_fields(Type) ->
[{"Scheduler Overview",
[{"Id", id},
+ {"Type", type},
{"Current Process",process},
{"Current Port", port},
{"Sleep Info Flags", sleep_info},
{"Sleep Aux Work", sleep_aux}
]},
- {"Run Queues",
+ {run_queues_header(Type),
[{"Flags", runq_flags},
{"Priority Max Length", runq_max},
{"Priority High Length", runq_high},
@@ -116,3 +121,8 @@ info_fields() ->
{" ", {currp_stack, 11}}
]}
].
+
+run_queues_header(normal) ->
+ "Run Queues";
+run_queues_header(DirtyX) ->
+ "Run Queues (common for all '" ++ atom_to_list(DirtyX) ++ "' schedulers)".
diff --git a/lib/observer/src/crashdump_viewer.erl b/lib/observer/src/crashdump_viewer.erl
index bba97624a7..d0c14db486 100644
--- a/lib/observer/src/crashdump_viewer.erl
+++ b/lib/observer/src/crashdump_viewer.erl
@@ -116,6 +116,10 @@
-define(allocator,allocator).
-define(atoms,atoms).
-define(binary,binary).
+-define(dirty_cpu_scheduler,dirty_cpu_scheduler).
+-define(dirty_cpu_run_queue,dirty_cpu_run_queue).
+-define(dirty_io_scheduler,dirty_io_scheduler).
+-define(dirty_io_run_queue,dirty_io_run_queue).
-define(ende,ende).
-define(erl_crash_dump,erl_crash_dump).
-define(ets,ets).
@@ -1222,6 +1226,18 @@ all_procinfo(Fd,Fun,Proc,WS,LineHead) ->
"OldHeap unused" ->
Bytes = list_to_integer(bytes(Fd))*WS,
get_procinfo(Fd,Fun,Proc#proc{old_heap_unused=Bytes},WS);
+ "BinVHeap" ->
+ Bytes = list_to_integer(bytes(Fd))*WS,
+ get_procinfo(Fd,Fun,Proc#proc{bin_vheap=Bytes},WS);
+ "OldBinVHeap" ->
+ Bytes = list_to_integer(bytes(Fd))*WS,
+ get_procinfo(Fd,Fun,Proc#proc{old_bin_vheap=Bytes},WS);
+ "BinVHeap unused" ->
+ Bytes = list_to_integer(bytes(Fd))*WS,
+ get_procinfo(Fd,Fun,Proc#proc{bin_vheap_unused=Bytes},WS);
+ "OldBinVHeap unused" ->
+ Bytes = list_to_integer(bytes(Fd))*WS,
+ get_procinfo(Fd,Fun,Proc#proc{old_bin_vheap_unused=Bytes},WS);
"New heap start" ->
get_procinfo(Fd,Fun,Proc#proc{new_heap_start=bytes(Fd)},WS);
"New heap top" ->
@@ -1632,6 +1648,10 @@ port_to_tuple("#Port<"++Port) ->
get_portinfo(Fd,Port) ->
case line_head(Fd) of
+ "State" ->
+ get_portinfo(Fd,Port#port{state=bytes(Fd)});
+ "Task Flags" ->
+ get_portinfo(Fd,Port#port{task_flags=bytes(Fd)});
"Slot" ->
%% stored as integer so we can sort on it
get_portinfo(Fd,Port#port{slot=list_to_integer(bytes(Fd))});
@@ -1656,6 +1676,10 @@ get_portinfo(Fd,Port) ->
{Pid,Pid++" ("++Ref++")"}
end || Mon <- Monitors0],
get_portinfo(Fd,Port#port{monitors=Monitors});
+ "Suspended" ->
+ Pids = split_pid_list_no_space(bytes(Fd)),
+ Suspended = [{Pid,Pid} || Pid <- Pids],
+ get_portinfo(Fd,Port#port{suspended=Suspended});
"Port controls linked-in driver" ->
Str = lists:flatten(["Linked in driver: " | string(Fd)]),
get_portinfo(Fd,Port#port{controls=Str});
@@ -1671,6 +1695,15 @@ get_portinfo(Fd,Port) ->
"Port is UNIX fd not opened by emulator" ->
Str = lists:flatten(["UNIX fd not opened by emulator: "| string(Fd)]),
get_portinfo(Fd,Port#port{controls=Str});
+ "Input" ->
+ get_portinfo(Fd,Port#port{input=list_to_integer(bytes(Fd))});
+ "Output" ->
+ get_portinfo(Fd,Port#port{output=list_to_integer(bytes(Fd))});
+ "Queue" ->
+ get_portinfo(Fd,Port#port{queue=list_to_integer(bytes(Fd))});
+ "Port Data" ->
+ get_portinfo(Fd,Port#port{port_data=string(Fd)});
+
"=" ++ _next_tag ->
Port;
Other ->
@@ -2503,73 +2536,142 @@ get_indextableinfo1(Fd,IndexTable) ->
%%-----------------------------------------------------------------
%% Page with scheduler table information
schedulers(File) ->
- case lookup_index(?scheduler) of
- [] ->
- [];
- Schedulers ->
- Fd = open(File),
- R = lists:map(fun({Name,Start}) ->
- get_schedulerinfo(Fd,Name,Start)
- end,
- Schedulers),
- close(Fd),
- R
- end.
+ Fd = open(File),
-get_schedulerinfo(Fd,Name,Start) ->
+ Schds0 = case lookup_index(?scheduler) of
+ [] ->
+ [];
+ Normals ->
+ [{Normals, #sched{type=normal}}]
+ end,
+ Schds1 = case lookup_index(?dirty_cpu_scheduler) of
+ [] ->
+ Schds0;
+ DirtyCpus ->
+ [{DirtyCpus, get_dirty_runqueue(Fd, ?dirty_cpu_run_queue)}
+ | Schds0]
+ end,
+ Schds2 = case lookup_index(?dirty_io_scheduler) of
+ [] ->
+ Schds1;
+ DirtyIos ->
+ [{DirtyIos, get_dirty_runqueue(Fd, ?dirty_io_run_queue)}
+ | Schds1]
+ end,
+
+ R = schedulers1(Fd, Schds2, []),
+ close(Fd),
+ R.
+
+schedulers1(_Fd, [], Acc) ->
+ Acc;
+schedulers1(Fd, [{Scheds,Sched0} | Tail], Acc0) ->
+ Acc1 = lists:foldl(fun({Name,Start}, AccIn) ->
+ [get_schedulerinfo(Fd,Name,Start,Sched0) | AccIn]
+ end,
+ Acc0,
+ Scheds),
+ schedulers1(Fd, Tail, Acc1).
+
+get_schedulerinfo(Fd,Name,Start,Sched0) ->
pos_bof(Fd,Start),
- get_schedulerinfo1(Fd,#sched{name=Name}).
+ get_schedulerinfo1(Fd,Sched0#sched{name=list_to_integer(Name)}).
-get_schedulerinfo1(Fd,Sched=#sched{details=Ds}) ->
+sched_type(?dirty_cpu_run_queue) -> dirty_cpu;
+sched_type(?dirty_io_run_queue) -> dirty_io.
+
+get_schedulerinfo1(Fd, Sched) ->
+ case get_schedulerinfo2(Fd, Sched) of
+ {more, Sched2} ->
+ get_schedulerinfo1(Fd, Sched2);
+ {done, Sched2} ->
+ Sched2
+ end.
+
+get_schedulerinfo2(Fd, Sched=#sched{details=Ds}) ->
case line_head(Fd) of
"Current Process" ->
- get_schedulerinfo1(Fd,Sched#sched{process=bytes(Fd, "None")});
+ {more, Sched#sched{process=bytes(Fd, "None")}};
"Current Port" ->
- get_schedulerinfo1(Fd,Sched#sched{port=bytes(Fd, "None")});
+ {more, Sched#sched{port=bytes(Fd, "None")}};
+
+ "Scheduler Sleep Info Flags" ->
+ {more, Sched#sched{details=Ds#{sleep_info=>bytes(Fd, "None")}}};
+ "Scheduler Sleep Info Aux Work" ->
+ {more, Sched#sched{details=Ds#{sleep_aux=>bytes(Fd, "None")}}};
+
+ "Current Process State" ->
+ {more, Sched#sched{details=Ds#{currp_state=>bytes(Fd)}}};
+ "Current Process Internal State" ->
+ {more, Sched#sched{details=Ds#{currp_int_state=>bytes(Fd)}}};
+ "Current Process Program counter" ->
+ {more, Sched#sched{details=Ds#{currp_prg_cnt=>string(Fd)}}};
+ "Current Process CP" ->
+ {more, Sched#sched{details=Ds#{currp_cp=>string(Fd)}}};
+ "Current Process Limited Stack Trace" ->
+ %% If there shall be last in scheduler information block
+ {done, Sched#sched{details=get_limited_stack(Fd, 0, Ds)}};
+
+ "=" ++ _next_tag ->
+ {done, Sched};
+
+ Other ->
+ case Sched#sched.type of
+ normal ->
+ get_runqueue_info2(Fd, Other, Sched);
+ _ ->
+ unexpected(Fd,Other,"dirty scheduler information"),
+ {done, Sched}
+ end
+ end.
+
+get_dirty_runqueue(Fd, Tag) ->
+ case lookup_index(Tag) of
+ [{_, Start}] ->
+ pos_bof(Fd,Start),
+ get_runqueue_info1(Fd,#sched{type=sched_type(Tag)});
+ [] ->
+ #sched{}
+ end.
+
+get_runqueue_info1(Fd, Sched) ->
+ case get_runqueue_info2(Fd, line_head(Fd), Sched) of
+ {more, Sched2} ->
+ get_runqueue_info1(Fd, Sched2);
+ {done, Sched2} ->
+ Sched2
+ end.
+
+get_runqueue_info2(Fd, LineHead, Sched=#sched{details=Ds}) ->
+ case LineHead of
"Run Queue Max Length" ->
RQMax = list_to_integer(bytes(Fd)),
RQ = RQMax + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_max=>RQMax}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_max=>RQMax}}};
"Run Queue High Length" ->
RQHigh = list_to_integer(bytes(Fd)),
RQ = RQHigh + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_high=>RQHigh}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_high=>RQHigh}}};
"Run Queue Normal Length" ->
RQNorm = list_to_integer(bytes(Fd)),
RQ = RQNorm + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_norm=>RQNorm}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_norm=>RQNorm}}};
"Run Queue Low Length" ->
RQLow = list_to_integer(bytes(Fd)),
RQ = RQLow + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_low=>RQLow}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_low=>RQLow}}};
"Run Queue Port Length" ->
RQ = list_to_integer(bytes(Fd)),
- get_schedulerinfo1(Fd,Sched#sched{port_q=RQ});
-
- "Scheduler Sleep Info Flags" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{sleep_info=>bytes(Fd, "None")}});
- "Scheduler Sleep Info Aux Work" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{sleep_aux=>bytes(Fd, "None")}});
+ {more, Sched#sched{port_q=RQ}};
"Run Queue Flags" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{runq_flags=>bytes(Fd, "None")}});
+ {more, Sched#sched{details=Ds#{runq_flags=>bytes(Fd, "None")}}};
- "Current Process State" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_state=>bytes(Fd)}});
- "Current Process Internal State" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_int_state=>bytes(Fd)}});
- "Current Process Program counter" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_prg_cnt=>string(Fd)}});
- "Current Process CP" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_cp=>string(Fd)}});
- "Current Process Limited Stack Trace" ->
- %% If there shall be last in scheduler information block
- Sched#sched{details=get_limited_stack(Fd, 0, Ds)};
"=" ++ _next_tag ->
- Sched;
+ {done, Sched};
Other ->
unexpected(Fd,Other,"scheduler information"),
- Sched
+ {done, Sched}
end.
get_limited_stack(Fd, N, Ds) ->
@@ -3000,6 +3102,10 @@ tag_to_atom("allocated_areas") -> ?allocated_areas;
tag_to_atom("allocator") -> ?allocator;
tag_to_atom("atoms") -> ?atoms;
tag_to_atom("binary") -> ?binary;
+tag_to_atom("dirty_cpu_scheduler") -> ?dirty_cpu_scheduler;
+tag_to_atom("dirty_cpu_run_queue") -> ?dirty_cpu_run_queue;
+tag_to_atom("dirty_io_scheduler") -> ?dirty_io_scheduler;
+tag_to_atom("dirty_io_run_queue") -> ?dirty_io_run_queue;
tag_to_atom("end") -> ?ende;
tag_to_atom("erl_crash_dump") -> ?erl_crash_dump;
tag_to_atom("ets") -> ?ets;
diff --git a/lib/observer/src/crashdump_viewer.hrl b/lib/observer/src/crashdump_viewer.hrl
index 6a93a089fd..252e19379d 100644
--- a/lib/observer/src/crashdump_viewer.hrl
+++ b/lib/observer/src/crashdump_viewer.hrl
@@ -80,6 +80,10 @@
old_heap,
heap_unused,
old_heap_unused,
+ bin_vheap,
+ old_bin_vheap,
+ bin_vheap_unused,
+ old_bin_vheap_unused,
new_heap_start,
new_heap_top,
stack_top,
@@ -95,19 +99,27 @@
-record(port,
{id,
+ state,
+ task_flags=0,
slot,
connected,
links,
name,
monitors,
- controls}).
+ suspended,
+ controls,
+ input,
+ output,
+ queue,
+ port_data}).
-record(sched,
{name,
+ type,
process,
port,
run_q=0,
- port_q=0,
+ port_q,
details=#{}
}).
diff --git a/lib/observer/test/crashdump_viewer_SUITE.erl b/lib/observer/test/crashdump_viewer_SUITE.erl
index 32773a779e..41ca3f3ce9 100644
--- a/lib/observer/test/crashdump_viewer_SUITE.erl
+++ b/lib/observer/test/crashdump_viewer_SUITE.erl
@@ -820,10 +820,10 @@ dump_with_size_limit_reached(DataDir,Rel,DumpName,Max) ->
"-env ERL_CRASH_DUMP_BYTES " ++
integer_to_list(Bytes)),
{ok,#file_info{size=Size}} = file:read_file_info(CD),
- if Size < Bytes ->
+ if Size =< Bytes ->
%% This means that the dump was actually smaller than the
%% randomly selected truncation size, so we'll just do it
- %% again with a smaller numer
+ %% again with a smaller number
ok = file:delete(CD),
dump_with_size_limit_reached(DataDir,Rel,DumpName,Size-3);
true ->
diff --git a/lib/runtime_tools/doc/src/notes.xml b/lib/runtime_tools/doc/src/notes.xml
index 93e3e26fda..74300ba3fc 100644
--- a/lib/runtime_tools/doc/src/notes.xml
+++ b/lib/runtime_tools/doc/src/notes.xml
@@ -32,6 +32,23 @@
<p>This document describes the changes made to the Runtime_Tools
application.</p>
+<section><title>Runtime_Tools 1.12.4</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ New family of <c>erts_alloc</c> strategies: Age Order
+ First Fit. Similar to "address order", but instead the
+ oldest possible carrier is always chosen for allocation.</p>
+ <p>
+ Own Id: OTP-14917 Aux Id: ERIERL-88 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Runtime_Tools 1.12.3</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/runtime_tools/src/erts_alloc_config.erl b/lib/runtime_tools/src/erts_alloc_config.erl
index 342363d08d..6c1a945484 100644
--- a/lib/runtime_tools/src/erts_alloc_config.erl
+++ b/lib/runtime_tools/src/erts_alloc_config.erl
@@ -265,7 +265,13 @@ strategy_str(aoff) ->
strategy_str(aoffcbf) ->
"Address order first fit carrier best fit";
strategy_str(aoffcaobf) ->
- "Address order first fit carrier adress order best fit".
+ "Address order first fit carrier adress order best fit";
+strategy_str(ageffcaoff) ->
+ "Age order first fit carrier address order first fit";
+strategy_str(ageffcbf) ->
+ "Age order first fit carrier best fit";
+strategy_str(ageffcaobf) ->
+ "Age order first fit carrier adress order best fit".
default_acul(A, S) ->
case carrier_migration_support(S) of
diff --git a/lib/runtime_tools/src/system_information.erl b/lib/runtime_tools/src/system_information.erl
index 119d7cc3d4..136ee55b54 100644
--- a/lib/runtime_tools/src/system_information.erl
+++ b/lib/runtime_tools/src/system_information.erl
@@ -488,10 +488,10 @@ to_fd(Fd) ->
ok = file:write(Fd, io_lib:format(Format, Args))
end,
- EmitChunk("{system_information_version, ~p}.~n"
+ EmitChunk("{system_information_version, ~w}.~n"
"{system_information,["
- "{init_arguments,~p},"
- "{code_paths,~p},",
+ "{init_arguments,~w},"
+ "{code_paths,~w},",
[?REPORT_FILE_VSN,
init:get_arguments(),
code:get_path()]),
@@ -499,12 +499,12 @@ to_fd(Fd) ->
emit_code_info(EmitChunk),
EmitChunk( "," %% Note the leading comma!
- "{system_info,~p},"
- "{erts_compile_info,~p},"
- "{beam_dynamic_libraries,~p},"
- "{environment_erts,~p},"
- "{environment,~p},"
- "{sanity_check,~p}"
+ "{system_info,~w},"
+ "{erts_compile_info,~w},"
+ "{beam_dynamic_libraries,~w},"
+ "{environment_erts,~w},"
+ "{environment,~w},"
+ "{sanity_check,~w}"
"]}.~n",
[erlang_system_info(),
erlang:system_info(compile_info),
@@ -533,11 +533,11 @@ emit_application_info(EmitChunk, Path) ->
Description = proplists:get_value(description, Info, []),
Version = proplists:get_value(vsn, Info, []),
- EmitChunk("{application, {~p,["
- "{description,~p},"
- "{vsn,~p},"
- "{path,~p},"
- "{runtime_dependencies,~p},",
+ EmitChunk("{application, {~w,["
+ "{description,~w},"
+ "{vsn,~w},"
+ "{path,~w},"
+ "{runtime_dependencies,~w},",
[App, Description, Version, Path, RtDeps]),
emit_module_info_from_path(EmitChunk, Path),
EmitChunk("]}}", [])
@@ -545,7 +545,7 @@ emit_application_info(EmitChunk, Path) ->
emit_code_path_info(EmitChunk, Path) ->
EmitChunk("{code, ["
- "{path, ~p},", [Path]),
+ "{path, ~w},", [Path]),
emit_module_info_from_path(EmitChunk, Path),
EmitChunk("]}", []).
@@ -573,11 +573,11 @@ emit_module_info(EmitChunk, Beam) ->
_ -> true
end,
- EmitChunk("{~p,["
- "{loaded,~p},"
- "{native,~p},"
- "{compiler,~p},"
- "{md5,~p}"
+ EmitChunk("{~w,["
+ "{loaded,~w},"
+ "{native,~w},"
+ "{compiler,~w},"
+ "{md5,~w}"
"]}",
[Mod, Loaded, Native, CompilerVersion, hexstring(Md5)]).
diff --git a/lib/runtime_tools/vsn.mk b/lib/runtime_tools/vsn.mk
index 872bd5db1d..0dc6a48570 100644
--- a/lib/runtime_tools/vsn.mk
+++ b/lib/runtime_tools/vsn.mk
@@ -1 +1 @@
-RUNTIME_TOOLS_VSN = 1.12.3
+RUNTIME_TOOLS_VSN = 1.12.4
diff --git a/lib/sasl/doc/src/release_handler.xml b/lib/sasl/doc/src/release_handler.xml
index 8f073807fb..975188f489 100644
--- a/lib/sasl/doc/src/release_handler.xml
+++ b/lib/sasl/doc/src/release_handler.xml
@@ -61,6 +61,7 @@
<list type="bulleted">
<item>A release upgrade file, <c>relup</c></item>
<item>A system configuration file, <c>sys.config</c></item>
+ <item>A system configuration source file, <c>sys.config.src</c></item>
</list>
<p>The <c>relup</c> file contains instructions for how to upgrade
to, or downgrade from, this version of the release.</p>
@@ -819,4 +820,3 @@ release_handler:set_unpacked(RelFile, [{myapp,"1.0","/home/user"},...]).
<seealso marker="systools"><c>systools(3)</c></seealso></p>
</section>
</erlref>
-
diff --git a/lib/sasl/doc/src/systools.xml b/lib/sasl/doc/src/systools.xml
index e7c3c499da..4842c732b1 100644
--- a/lib/sasl/doc/src/systools.xml
+++ b/lib/sasl/doc/src/systools.xml
@@ -349,10 +349,11 @@ myapp-1/ebin/myapp.app
the release version as specified in <c>Name.rel</c>.</p>
<p><c>releases/RelVsn</c> contains the boot script
<c>Name.boot</c> renamed to <c>start.boot</c> and, if found,
- the files <c>relup</c> and <c>sys.config</c>. These files
+ the files <c>relup</c> and <c>sys.config</c> or <c>sys.config.src</c>. These files
are searched for in the same directory as <c>Name.rel</c>,
in the current working directory, and in any directories
- specified using option <c>path</c>.</p>
+ specified using option <c>path</c>. In the case of <c>sys.config</c>
+ it is not included if <c>sys.config.src</c> is found.</p>
<p>If the release package is to contain a new Erlang runtime
system, the <c>bin</c> directory of the specified runtime
system <c>{erts,Dir}</c> is copied to <c>erts-ErtsVsn/bin</c>.</p>
@@ -397,4 +398,3 @@ myapp-1/ebin/myapp.app
<seealso marker="script"><c>script(4)</c></seealso></p>
</section>
</erlref>
-
diff --git a/lib/sasl/src/systools_make.erl b/lib/sasl/src/systools_make.erl
index 9d960b7361..fa3182cc08 100644
--- a/lib/sasl/src/systools_make.erl
+++ b/lib/sasl/src/systools_make.erl
@@ -310,6 +310,7 @@ add_apply_upgrade(Script,Args) ->
%% RelVsn/start.boot
%% relup
%% sys.config
+%% sys.config.src
%% erts-EVsn[/bin]
%%-----------------------------------------------------------------
@@ -1552,6 +1553,7 @@ create_kernel_procs(Appls) ->
%% RelVsn/start.boot
%% relup
%% sys.config
+%% sys.config.src
%% erts-EVsn[/bin]
%%
%% The VariableN.tar.gz files can also be stored as own files not
@@ -1707,14 +1709,18 @@ add_system_files(Tar, RelName, Release, Path1) ->
add_to_tar(Tar, Relup, filename:join(RelVsnDir, "relup"))
end,
- case lookup_file("sys.config", Path) of
- false ->
- ignore;
- Sys ->
- check_sys_config(Sys),
- add_to_tar(Tar, Sys, filename:join(RelVsnDir, "sys.config"))
+ case lookup_file("sys.config.src", Path) of
+ false ->
+ case lookup_file("sys.config", Path) of
+ false ->
+ ignore;
+ Sys ->
+ check_sys_config(Sys),
+ add_to_tar(Tar, Sys, filename:join(RelVsnDir, "sys.config"))
+ end;
+ SysSrc ->
+ add_to_tar(Tar, SysSrc, filename:join(RelVsnDir, "sys.config.src"))
end,
-
ok.
lookup_file(Name, [Dir|Path]) ->
diff --git a/lib/sasl/test/systools_SUITE.erl b/lib/sasl/test/systools_SUITE.erl
index 07748d975f..c8b2f31120 100644
--- a/lib/sasl/test/systools_SUITE.erl
+++ b/lib/sasl/test/systools_SUITE.erl
@@ -67,7 +67,7 @@ groups() ->
otp_3065_circular_dependenies, included_and_used_sort_script]},
{tar, [],
[tar_options, normal_tar, no_mod_vsn_tar, system_files_tar,
- invalid_system_files_tar, variable_tar,
+ system_src_file_tar, invalid_system_files_tar, variable_tar,
src_tests_tar, var_tar, exref_tar, link_tar, no_sasl_tar,
otp_9507_path_ebin]},
{relup, [],
@@ -945,12 +945,47 @@ system_files_tar(Config) ->
ok.
+
system_files_tar(cleanup,Config) ->
Dir = ?privdir,
file:delete(filename:join(Dir,"sys.config")),
file:delete(filename:join(Dir,"relup")),
ok.
+%% make_tar: Check that sys.config.src and not sys.config is included
+system_src_file_tar(Config) ->
+ {ok, OldDir} = file:get_cwd(),
+
+ {LatestDir, LatestName} = create_script(latest,Config),
+
+ DataDir = filename:absname(?copydir),
+ LibDir = fname([DataDir, d_normal, lib]),
+ P = [fname([LibDir, 'db-2.1', ebin]),
+ fname([LibDir, 'fe-3.1', ebin])],
+
+ ok = file:set_cwd(LatestDir),
+
+ %% Add dummy sys.config and sys.config.src
+ ok = file:write_file("sys.config.src","[${SOMETHING}].\n"),
+ ok = file:write_file("sys.config","[].\n"),
+
+ {ok, _, _} = systools:make_script(LatestName, [silent, {path, P}]),
+ ok = systools:make_tar(LatestName, [{path, P}]),
+ ok = check_tar(fname(["releases","LATEST","sys.config.src"]), LatestName),
+ {error, _} = check_tar(fname(["releases","LATEST","sys.config"]), LatestName),
+ {ok, _, _} = systools:make_tar(LatestName, [{path, P}, silent]),
+ ok = check_tar(fname(["releases","LATEST","sys.config.src"]), LatestName),
+ {error, _} = check_tar(fname(["releases","LATEST","sys.config"]), LatestName),
+
+ ok = file:set_cwd(OldDir),
+
+ ok.
+
+system_src_file_tar(cleanup,Config) ->
+ Dir = ?privdir,
+ file:delete(filename:join(Dir,"sys.config")),
+ file:delete(filename:join(Dir,"sys.config.src")),
+ ok.
%% make_tar: Check that make_tar fails if relup or sys.config exist
%% but do not have valid content
diff --git a/lib/snmp/doc/src/snmp_impl_example_agent.xml b/lib/snmp/doc/src/snmp_impl_example_agent.xml
index a86006a0a7..e576fa51f3 100644
--- a/lib/snmp/doc/src/snmp_impl_example_agent.xml
+++ b/lib/snmp/doc/src/snmp_impl_example_agent.xml
@@ -47,6 +47,7 @@
EX1-MIB DEFINITIONS ::= BEGIN
IMPORTS
+ experimental FROM RFC1155-SMI
RowStatus FROM STANDARD-MIB
DisplayString FROM RFC1213-MIB
OBJECT-TYPE FROM RFC-1212
@@ -81,7 +82,7 @@ EX1-MIB DEFINITIONS ::= BEGIN
FriendsEntry ::=
SEQUENCE {
- fIndex
+ fIndex
INTEGER,
fName
DisplayString,
@@ -105,6 +106,7 @@ EX1-MIB DEFINITIONS ::= BEGIN
DESCRIPTION
"Name of friend"
::= { friendsEntry 2 }
+
fAddress OBJECT-TYPE
SYNTAX DisplayString (SIZE (0..255))
ACCESS read-write
@@ -112,6 +114,7 @@ EX1-MIB DEFINITIONS ::= BEGIN
DESCRIPTION
"Address of friend"
::= { friendsEntry 3 }
+
fStatus OBJECT-TYPE
SYNTAX RowStatus
ACCESS read-write
@@ -119,12 +122,13 @@ EX1-MIB DEFINITIONS ::= BEGIN
DESCRIPTION
"The status of this conceptual row."
::= { friendsEntry 4 }
+
fTrap TRAP-TYPE
ENTERPRISE example1
VARIABLES { myName, fIndex }
DESCRIPTION
- "This trap is sent when something happens to
- the friend specified by fIndex."
+ "This trap is sent when something happens to
+ the friend specified by fIndex."
::= 1
END
</code>
diff --git a/lib/ssh/doc/src/notes.xml b/lib/ssh/doc/src/notes.xml
index 3a2f55a487..f5cb3ec254 100644
--- a/lib/ssh/doc/src/notes.xml
+++ b/lib/ssh/doc/src/notes.xml
@@ -30,6 +30,41 @@
<file>notes.xml</file>
</header>
+<section><title>Ssh 4.6.5</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Adjusted supervisor timeouts</p>
+ <p>
+ Own Id: OTP-14907</p>
+ </item>
+ <item>
+ <p>
+ Remove ERROR messages for slow process exits</p>
+ <p>
+ Own Id: OTP-14930</p>
+ </item>
+ </list>
+ </section>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Add option <c>save_accepted_host</c> to
+ <c>ssh:connection</c>. This option, if set to false,
+ inhibits saving host keys to e.g the file
+ <c>known_hosts</c>.</p>
+ <p>
+ Own Id: OTP-14935</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Ssh 4.6.4</title>
<section><title>Fixed Bugs and Malfunctions</title>
@@ -60,7 +95,6 @@
</list>
</section>
-
<section><title>Improvements and New Features</title>
<list>
<item>
@@ -90,7 +124,6 @@
</section>
<section><title>Ssh 4.6.2</title>
-
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
@@ -370,6 +403,40 @@
</section>
+
+<section><title>Ssh 4.4.2.2</title>
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Default exec is disabled when a user-defined shell is
+ enabled.</p>
+ <p>
+ Own Id: OTP-14881</p>
+ </item>
+ </list>
+ </section>
+</section>
+
+
+<section><title>Ssh 4.4.2.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Trailing white space was removed at end of the
+ hello-string. This caused interoperability problems with
+ some other ssh-implementations (e.g OpenSSH 7.3p1 on
+ Solaris 11)</p>
+ <p>
+ Own Id: OTP-14763 Aux Id: ERIERL-74 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Ssh 4.4.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
@@ -740,6 +807,93 @@
</section>
+<section><title>Ssh 4.2.2.5</title>
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Default exec is disabled when a user-defined shell is
+ enabled.</p>
+ <p>
+ Own Id: OTP-14881</p>
+ </item>
+ </list>
+ </section>
+</section>
+
+
+<section><title>Ssh 4.2.2.4</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Trailing white space was removed at end of the
+ hello-string. This caused interoperability problems with
+ some other ssh-implementations (e.g OpenSSH 7.3p1 on
+ Solaris 11)</p>
+ <p>
+ Own Id: OTP-14763 Aux Id: ERIERL-74 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Ssh 4.2.2.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ The key exchange algorithm
+ diffie-hellman-group-exchange-sha* has a server-option
+ <c>{dh_gex_limits,{Min,Max}}</c>. There was a hostkey
+ signature validation error on the client side if the
+ option was used and the <c>Min</c> or the <c>Max</c>
+ differed from the corresponding values obtained from the
+ client.</p>
+ <p>
+ This bug is now corrected.</p>
+ <p>
+ Own Id: OTP-14166</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Key exchange algorithms
+ diffie-hellman-group-exchange-sha* optimized, up to a
+ factor of 11 for the slowest ( = biggest and safest) one.</p>
+ <p>
+ Own Id: OTP-14169 Aux Id: seq-13261 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Ssh 4.2.2.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Upgrade of an established client connection could crash
+ because the ssh client supervisors children had wrong
+ type. This is fixed now.</p>
+ <p>
+ Own Id: OTP-13782 Aux Id: seq13158 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Ssh 4.2.2.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml
index 337f4094cc..acf94ff6af 100644
--- a/lib/ssh/doc/src/ssh.xml
+++ b/lib/ssh/doc/src/ssh.xml
@@ -227,6 +227,18 @@
</item>
</list>
</item>
+
+ <tag><c><![CDATA[{save_accepted_host, boolean()}]]></c></tag>
+ <item>
+ <p>If <c>true</c>, the client saves an accepted host key to avoid the
+ accept question the next time the same host is connected. If the option
+ <c>key_cb</c> is not present, the key is saved in the file "known_hosts".
+ </p>
+ <p>If <c>false</c>, the key is not saved and the key will still be unknown
+ at the next access of the same host.
+ </p>
+ </item>
+
<tag><c><![CDATA[{user_interaction, boolean()}]]></c></tag>
<item>
<p>If <c>false</c>, disables the client to connect to the server
diff --git a/lib/ssh/doc/src/ssh_sftp.xml b/lib/ssh/doc/src/ssh_sftp.xml
index ed7fbf9cf3..129426a6d5 100644
--- a/lib/ssh/doc/src/ssh_sftp.xml
+++ b/lib/ssh/doc/src/ssh_sftp.xml
@@ -464,11 +464,16 @@
<v>FileInfo = record()</v>
</type>
<desc>
- <p>Returns a <c><![CDATA[file_info]]></c> record from the file specified by
+ <p>Returns a <c><![CDATA[file_info]]></c> record from the file system object specified by
<c><![CDATA[Name]]></c> or <c><![CDATA[Handle]]></c>. See
<seealso marker="kernel:file#read_file_info-2">file:read_file_info/2</seealso>
for information about the record.
</p>
+ <p>
+ Depending on the underlying OS:es links might be followed and info on the final file, directory
+ etc is returned. See <seealso marker="#read_link_info-2">ssh_sftp::read_link_info/2</seealso>
+ on how to get information on links instead.
+ </p>
</desc>
</func>
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index 032d87bdad..25d537c624 100644
--- a/lib/ssh/src/ssh.erl
+++ b/lib/ssh/src/ssh.erl
@@ -184,7 +184,6 @@ channel_info(ConnectionRef, ChannelId, Options) ->
daemon(Port) ->
daemon(Port, []).
-
daemon(Socket, UserOptions) when is_port(Socket) ->
try
#{} = Options = ssh_options:handle_options(server, UserOptions),
@@ -267,8 +266,6 @@ daemon(Host0, Port0, UserOptions0) when 0 =< Port0, Port0 =< 65535,
daemon(_, _, _) ->
{error, badarg}.
-
-
%%--------------------------------------------------------------------
-spec daemon_info(daemon_ref()) -> ok_error( [{atom(), term()}] ).
diff --git a/lib/ssh/src/ssh.hrl b/lib/ssh/src/ssh.hrl
index 3dee1c5521..4711f54fb5 100644
--- a/lib/ssh/src/ssh.hrl
+++ b/lib/ssh/src/ssh.hrl
@@ -35,6 +35,8 @@
-define(DEFAULT_TRANSPORT, {tcp, gen_tcp, tcp_closed} ).
+-define(DEFAULT_SHELL, {shell, start, []} ).
+
-define(MAX_RND_PADDING_LEN, 15).
-define(SUPPORTED_AUTH_METHODS, "publickey,keyboard-interactive,password").
diff --git a/lib/ssh/src/ssh_acceptor_sup.erl b/lib/ssh/src/ssh_acceptor_sup.erl
index a24664793b..fc564a359b 100644
--- a/lib/ssh/src/ssh_acceptor_sup.erl
+++ b/lib/ssh/src/ssh_acceptor_sup.erl
@@ -86,10 +86,7 @@ child_spec(Address, Port, Profile, Options) ->
Timeout = ?GET_INTERNAL_OPT(timeout, Options, ?DEFAULT_TIMEOUT),
#{id => id(Address, Port, Profile),
start => {ssh_acceptor, start_link, [Port, Address, Options, Timeout]},
- restart => transient,
- shutdown => 5500, %brutal_kill,
- type => worker,
- modules => [ssh_acceptor]
+ restart => transient % because a crashed listener could be replaced by a new one
}.
id(Address, Port, Profile) ->
diff --git a/lib/ssh/src/ssh_channel_sup.erl b/lib/ssh/src/ssh_channel_sup.erl
index 6b01dc334d..8444533fd1 100644
--- a/lib/ssh/src/ssh_channel_sup.erl
+++ b/lib/ssh/src/ssh_channel_sup.erl
@@ -26,7 +26,7 @@
-behaviour(supervisor).
--export([start_link/1, start_child/2]).
+-export([start_link/1, start_child/5]).
%% Supervisor callback
-export([init/1]).
@@ -37,7 +37,14 @@
start_link(Args) ->
supervisor:start_link(?MODULE, [Args]).
-start_child(Sup, ChildSpec) ->
+start_child(Sup, Callback, Id, Args, Exec) ->
+ ChildSpec =
+ #{id => make_ref(),
+ start => {ssh_channel, start_link, [self(), Id, Callback, Args, Exec]},
+ restart => temporary,
+ type => worker,
+ modules => [ssh_channel]
+ },
supervisor:start_child(Sup, ChildSpec).
%%%=========================================================================
diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl
index 62854346b0..958c342f5f 100644
--- a/lib/ssh/src/ssh_cli.erl
+++ b/lib/ssh/src/ssh_cli.erl
@@ -127,7 +127,8 @@ handle_ssh_msg({ssh_cm, ConnectionHandler,
cm = ConnectionHandler}};
handle_ssh_msg({ssh_cm, ConnectionHandler,
- {exec, ChannelId, WantReply, Cmd}}, #state{exec=undefined} = State) ->
+ {exec, ChannelId, WantReply, Cmd}}, #state{exec=undefined,
+ shell=?DEFAULT_SHELL} = State) ->
{Reply, Status} = exec(Cmd),
write_chars(ConnectionHandler,
ChannelId, io_lib:format("~p\n", [Reply])),
@@ -136,6 +137,15 @@ handle_ssh_msg({ssh_cm, ConnectionHandler,
ssh_connection:exit_status(ConnectionHandler, ChannelId, Status),
ssh_connection:send_eof(ConnectionHandler, ChannelId),
{stop, ChannelId, State#state{channel = ChannelId, cm = ConnectionHandler}};
+
+handle_ssh_msg({ssh_cm, ConnectionHandler,
+ {exec, ChannelId, WantReply, _Cmd}}, #state{exec = undefined} = State) ->
+ write_chars(ConnectionHandler, ChannelId, 1, "Prohibited.\n"),
+ ssh_connection:reply_request(ConnectionHandler, WantReply, success, ChannelId),
+ ssh_connection:exit_status(ConnectionHandler, ChannelId, 255),
+ ssh_connection:send_eof(ConnectionHandler, ChannelId),
+ {stop, ChannelId, State#state{channel = ChannelId, cm = ConnectionHandler}};
+
handle_ssh_msg({ssh_cm, ConnectionHandler,
{exec, ChannelId, WantReply, Cmd}}, State) ->
NewState = start_shell(ConnectionHandler, Cmd, State),
@@ -453,11 +463,14 @@ move_cursor(From, To, #ssh_pty{width=Width, term=Type}) ->
%% %%% make sure that there is data to send
%% %%% before calling ssh_connection:send
write_chars(ConnectionHandler, ChannelId, Chars) ->
+ write_chars(ConnectionHandler, ChannelId, ?SSH_EXTENDED_DATA_DEFAULT, Chars).
+
+write_chars(ConnectionHandler, ChannelId, Type, Chars) ->
case has_chars(Chars) of
false -> ok;
true -> ssh_connection:send(ConnectionHandler,
ChannelId,
- ?SSH_EXTENDED_DATA_DEFAULT,
+ Type,
Chars)
end.
diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl
index 7e9ee78fd2..946ae2967b 100644
--- a/lib/ssh/src/ssh_connection.erl
+++ b/lib/ssh/src/ssh_connection.erl
@@ -812,22 +812,20 @@ start_channel(Cb, Id, Args, SubSysSup, Opts) ->
start_channel(Cb, Id, Args, SubSysSup, undefined, Opts).
start_channel(Cb, Id, Args, SubSysSup, Exec, Opts) ->
- ChildSpec = child_spec(Cb, Id, Args, Exec),
ChannelSup = ssh_subsystem_sup:channel_supervisor(SubSysSup),
- assert_limit_num_channels_not_exceeded(ChannelSup, Opts),
- ssh_channel_sup:start_child(ChannelSup, ChildSpec).
+ case max_num_channels_not_exceeded(ChannelSup, Opts) of
+ true ->
+ ssh_channel_sup:start_child(ChannelSup, Cb, Id, Args, Exec);
+ false ->
+ throw(max_num_channels_exceeded)
+ end.
-assert_limit_num_channels_not_exceeded(ChannelSup, Opts) ->
+max_num_channels_not_exceeded(ChannelSup, Opts) ->
MaxNumChannels = ?GET_OPT(max_channels, Opts),
NumChannels = length([x || {_,_,worker,[ssh_channel]} <-
supervisor:which_children(ChannelSup)]),
- if
- %% Note that NumChannels is BEFORE starting a new one
- NumChannels < MaxNumChannels ->
- ok;
- true ->
- throw(max_num_channels_exceeded)
- end.
+ %% Note that NumChannels is BEFORE starting a new one
+ NumChannels < MaxNumChannels.
%%--------------------------------------------------------------------
%%% Internal functions
@@ -874,14 +872,6 @@ check_subsystem(SsName, Options) ->
Value
end.
-child_spec(Callback, Id, Args, Exec) ->
- Name = make_ref(),
- StartFunc = {ssh_channel, start_link, [self(), Id, Callback, Args, Exec]},
- Restart = temporary,
- Shutdown = 3600,
- Type = worker,
- {Name, StartFunc, Restart, Shutdown, Type, [ssh_channel]}.
-
start_cli(#connection{cli_spec = no_cli}, _) ->
{error, cli_disabled};
start_cli(#connection{options = Options,
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 0ca960ef96..e11d3adee4 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -1174,17 +1174,25 @@ handle_event({call,_}, _, StateName, _) when not ?CONNECTED(StateName) ->
handle_event({call,From}, {request, ChannelPid, ChannelId, Type, Data, Timeout}, StateName, D0)
when ?CONNECTED(StateName) ->
- D = handle_request(ChannelPid, ChannelId, Type, Data, true, From, D0),
- %% Note reply to channel will happen later when reply is recived from peer on the socket
- start_channel_request_timer(ChannelId, From, Timeout),
- {keep_state, cache_request_idle_timer_check(D)};
+ case handle_request(ChannelPid, ChannelId, Type, Data, true, From, D0) of
+ {error,Error} ->
+ {keep_state, D0, {reply,From,{error,Error}}};
+ D ->
+ %% Note reply to channel will happen later when reply is recived from peer on the socket
+ start_channel_request_timer(ChannelId, From, Timeout),
+ {keep_state, cache_request_idle_timer_check(D)}
+ end;
handle_event({call,From}, {request, ChannelId, Type, Data, Timeout}, StateName, D0)
when ?CONNECTED(StateName) ->
- D = handle_request(ChannelId, Type, Data, true, From, D0),
- %% Note reply to channel will happen later when reply is recived from peer on the socket
- start_channel_request_timer(ChannelId, From, Timeout),
- {keep_state, cache_request_idle_timer_check(D)};
+ case handle_request(ChannelId, Type, Data, true, From, D0) of
+ {error,Error} ->
+ {keep_state, D0, {reply,From,{error,Error}}};
+ D ->
+ %% Note reply to channel will happen later when reply is recived from peer on the socket
+ start_channel_request_timer(ChannelId, From, Timeout),
+ {keep_state, cache_request_idle_timer_check(D)}
+ end;
handle_event({call,From}, {data, ChannelId, Type, Data, Timeout}, StateName, D0)
when ?CONNECTED(StateName) ->
@@ -1460,13 +1468,12 @@ terminate(shutdown, StateName, State0) ->
State0),
finalize_termination(StateName, State);
-%% terminate({shutdown,Msg}, StateName, State0) when is_record(Msg,ssh_msg_disconnect)->
-%% State = send_msg(Msg, State0),
-%% finalize_termination(StateName, Msg, State);
-
terminate({shutdown,_R}, StateName, State) ->
finalize_termination(StateName, State);
+terminate(kill, StateName, State) ->
+ finalize_termination(StateName, State);
+
terminate(Reason, StateName, State0) ->
%% Others, e.g undef, {badmatch,_}
log_error(Reason),
@@ -1774,21 +1781,31 @@ is_usable_user_pubkey(A, Ssh) ->
%%%----------------------------------------------------------------
handle_request(ChannelPid, ChannelId, Type, Data, WantReply, From, D) ->
case ssh_channel:cache_lookup(cache(D), ChannelId) of
- #channel{remote_id = Id} = Channel ->
+ #channel{remote_id = Id,
+ sent_close = false} = Channel ->
update_sys(cache(D), Channel, Type, ChannelPid),
send_msg(ssh_connection:channel_request_msg(Id, Type, WantReply, Data),
add_request(WantReply, ChannelId, From, D));
- undefined ->
- D
+
+ _ when WantReply==true ->
+ {error,closed};
+
+ _ ->
+ D
end.
handle_request(ChannelId, Type, Data, WantReply, From, D) ->
case ssh_channel:cache_lookup(cache(D), ChannelId) of
- #channel{remote_id = Id} ->
+ #channel{remote_id = Id,
+ sent_close = false} ->
send_msg(ssh_connection:channel_request_msg(Id, Type, WantReply, Data),
add_request(WantReply, ChannelId, From, D));
- undefined ->
- D
+
+ _ when WantReply==true ->
+ {error,closed};
+
+ _ ->
+ D
end.
%%%----------------------------------------------------------------
diff --git a/lib/ssh/src/ssh_connection_sup.erl b/lib/ssh/src/ssh_connection_sup.erl
index 60ee8b7c73..2e8450090a 100644
--- a/lib/ssh/src/ssh_connection_sup.erl
+++ b/lib/ssh/src/ssh_connection_sup.erl
@@ -52,10 +52,7 @@ init(_) ->
},
ChildSpecs = [#{id => undefined, % As simple_one_for_one is used.
start => {ssh_connection_handler, start_link, []},
- restart => temporary,
- shutdown => 4000,
- type => worker,
- modules => [ssh_connection_handler]
+ restart => temporary % because there is no way to restart a crashed connection
}
],
{ok, {SupFlags,ChildSpecs}}.
diff --git a/lib/ssh/src/ssh_options.erl b/lib/ssh/src/ssh_options.erl
index 68c99743ee..1e10f72956 100644
--- a/lib/ssh/src/ssh_options.erl
+++ b/lib/ssh/src/ssh_options.erl
@@ -268,7 +268,7 @@ default(server) ->
},
{shell, def} =>
- #{default => {shell, start, []},
+ #{default => ?DEFAULT_SHELL,
chk => fun({M,F,A}) -> is_atom(M) andalso is_atom(F) andalso is_list(A);
(V) -> check_function1(V) orelse check_function2(V)
end,
@@ -439,6 +439,12 @@ default(client) ->
class => user_options
},
+ {save_accepted_host, def} =>
+ #{default => true,
+ chk => fun erlang:is_boolean/1,
+ class => user_options
+ },
+
{pref_public_key_algs, def} =>
#{default => ssh_transport:default_algorithms(public_key),
chk => fun check_pref_public_key_algs/1,
diff --git a/lib/ssh/src/ssh_subsystem_sup.erl b/lib/ssh/src/ssh_subsystem_sup.erl
index 8db051095c..77da240a66 100644
--- a/lib/ssh/src/ssh_subsystem_sup.erl
+++ b/lib/ssh/src/ssh_subsystem_sup.erl
@@ -74,18 +74,14 @@ ssh_connection_child_spec(Role, Address, Port, _Profile, Options) ->
#{id => id(Role, ssh_connection_sup, Address, Port),
start => {ssh_connection_sup, start_link, [Options]},
restart => temporary,
- shutdown => 5000,
- type => supervisor,
- modules => [ssh_connection_sup]
+ type => supervisor
}.
ssh_channel_child_spec(Role, Address, Port, _Profile, Options) ->
#{id => id(Role, ssh_channel_sup, Address, Port),
start => {ssh_channel_sup, start_link, [Options]},
restart => temporary,
- shutdown => infinity,
- type => supervisor,
- modules => [ssh_channel_sup]
+ type => supervisor
}.
id(Role, Sup, Address, Port) ->
diff --git a/lib/ssh/src/ssh_sup.erl b/lib/ssh/src/ssh_sup.erl
index eaec7a54e4..8183016ba5 100644
--- a/lib/ssh/src/ssh_sup.erl
+++ b/lib/ssh/src/ssh_sup.erl
@@ -36,15 +36,14 @@ init(_) ->
intensity => 10,
period => 3600
},
- ChildSpecs = [#{id => Module,
- start => {Module, start_link, []},
- restart => permanent,
- shutdown => 4000, %brutal_kill,
- type => supervisor,
- modules => [Module]
+ ChildSpecs = [#{id => sshd_sup,
+ start => {sshd_sup, start_link, []},
+ type => supervisor
+ },
+ #{id => sshc_sup,
+ start => {sshc_sup, start_link, []},
+ type => supervisor
}
- || Module <- [sshd_sup,
- sshc_sup]
],
{ok, {SupFlags,ChildSpecs}}.
diff --git a/lib/ssh/src/ssh_system_sup.erl b/lib/ssh/src/ssh_system_sup.erl
index e70abf59c2..17f990c5d8 100644
--- a/lib/ssh/src/ssh_system_sup.erl
+++ b/lib/ssh/src/ssh_system_sup.erl
@@ -63,9 +63,7 @@ init([Address, Port, Profile, Options]) ->
[#{id => id(ssh_acceptor_sup, Address, Port, Profile),
start => {ssh_acceptor_sup, start_link, [Address, Port, Profile, Options]},
restart => transient,
- shutdown => infinity,
- type => supervisor,
- modules => [ssh_acceptor_sup]
+ type => supervisor
}];
_ ->
[]
@@ -124,9 +122,8 @@ start_subsystem(SystemSup, Role, Address, Port, Profile, Options) ->
#{id => make_ref(),
start => {ssh_subsystem_sup, start_link, [Role, Address, Port, Profile, Options]},
restart => temporary,
- shutdown => infinity,
- type => supervisor,
- modules => [ssh_subsystem_sup]},
+ type => supervisor
+ },
supervisor:start_child(SystemSup, SubsystemSpec).
stop_subsystem(SystemSup, SubSys) ->
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index ad9efc4755..975053d301 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -889,10 +889,13 @@ known_host_key(#ssh{opts = Opts, key_cb = {KeyCb,KeyCbOpts}, peer = {PeerName,_}
{_,true} ->
ok;
{_,false} ->
+ DoAdd = ?GET_OPT(save_accepted_host, Opts),
case accepted_host(Ssh, PeerName, Public, Opts) of
- true ->
+ true when DoAdd == true ->
{_,R} = add_host_key(KeyCb, PeerName, Public, [{key_cb_private,KeyCbOpts}|UserOpts]),
R;
+ true when DoAdd == false ->
+ ok;
false ->
{error, rejected_by_user};
{error,E} ->
diff --git a/lib/ssh/src/sshc_sup.erl b/lib/ssh/src/sshc_sup.erl
index 133b2c6450..fd4d8a3c07 100644
--- a/lib/ssh/src/sshc_sup.erl
+++ b/lib/ssh/src/sshc_sup.erl
@@ -60,10 +60,7 @@ init(_) ->
},
ChildSpecs = [#{id => undefined, % As simple_one_for_one is used.
start => {ssh_connection_handler, start_link, []},
- restart => temporary,
- shutdown => 4000,
- type => worker,
- modules => [ssh_connection_handler]
+ restart => temporary % because there is no way to restart a crashed connection
}
],
{ok, {SupFlags,ChildSpecs}}.
diff --git a/lib/ssh/src/sshd_sup.erl b/lib/ssh/src/sshd_sup.erl
index c23e65d955..779a861a54 100644
--- a/lib/ssh/src/sshd_sup.erl
+++ b/lib/ssh/src/sshd_sup.erl
@@ -90,10 +90,8 @@ init(_) ->
child_spec(Address, Port, Profile, Options) ->
#{id => id(Address, Port, Profile),
start => {ssh_system_sup, start_link, [Address, Port, Profile, Options]},
- restart => temporary,
- shutdown => infinity,
- type => supervisor,
- modules => [ssh_system_sup]
+ restart => temporary,
+ type => supervisor
}.
id(Address, Port, Profile) ->
diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl
index 202b0afe57..365f25fabb 100644
--- a/lib/ssh/test/ssh_basic_SUITE.erl
+++ b/lib/ssh/test/ssh_basic_SUITE.erl
@@ -60,7 +60,7 @@
login_bad_pwd_no_retry5/1,
misc_ssh_options/1,
openssh_zlib_basic_test/1,
- packet_size_zero/1,
+ packet_size/1,
pass_phrase/1,
peername_sockname/1,
send/1,
@@ -111,7 +111,7 @@ all() ->
double_close,
daemon_opt_fd,
multi_daemon_opt_fd,
- packet_size_zero,
+ packet_size,
ssh_info_print,
{group, login_bad_pwd_no_retry},
shell_exit_status
@@ -764,11 +764,11 @@ cli(Config) when is_list(Config) ->
{ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity),
ssh_connection:shell(ConnectionRef, ChannelId),
- ok = ssh_connection:send(ConnectionRef, ChannelId, <<"q">>),
+ ssh_connection:send(ConnectionRef, ChannelId, <<"q">>),
receive
{ssh_cm, ConnectionRef,
{data,0,0, <<"\r\nYou are accessing a dummy, type \"q\" to exit\r\n\n">>}} ->
- ok = ssh_connection:send(ConnectionRef, ChannelId, <<"q">>)
+ ssh_connection:send(ConnectionRef, ChannelId, <<"q">>)
after
30000 -> ct:fail("timeout ~p:~p",[?MODULE,?LINE])
end,
@@ -1104,7 +1104,7 @@ multi_daemon_opt_fd(Config) ->
end || {S,Pid,C} <- Tests].
%%--------------------------------------------------------------------
-packet_size_zero(Config) ->
+packet_size(Config) ->
SystemDir = proplists:get_value(data_dir, Config),
PrivDir = proplists:get_value(priv_dir, Config),
UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
@@ -1119,21 +1119,31 @@ packet_size_zero(Config) ->
{user_interaction, false},
{user, "vego"},
{password, "morot"}]),
-
- {ok,Chan} = ssh_connection:session_channel(Conn, 1000, _MaxPacketSize=0, 60000),
- ok = ssh_connection:shell(Conn, Chan),
+ lists:foreach(
+ fun(MaxPacketSize) ->
+ ct:log("Try max_packet_size=~p",[MaxPacketSize]),
+ {ok,Ch} = ssh_connection:session_channel(Conn, 1000, MaxPacketSize, 60000),
+ ok = ssh_connection:shell(Conn, Ch),
+ rec(Server, Conn, Ch, MaxPacketSize)
+ end, [0, 1, 10, 25]),
ssh:close(Conn),
- ssh:stop_daemon(Server),
+ ssh:stop_daemon(Server).
+rec(Server, Conn, Ch, MaxSz) ->
receive
- {ssh_cm,Conn,{data,Chan,_Type,_Msg1}} = M ->
- ct:log("Got ~p",[M]),
- ct:fail(doesnt_obey_max_packet_size_0)
- after 5000 ->
- ok
- end.
-
+ {ssh_cm,Conn,{data,Ch,_,M}} when size(M) =< MaxSz ->
+ ct:log("~p: ~p",[MaxSz,M]),
+ rec(Server, Conn, Ch, MaxSz);
+ {ssh_cm,Conn,{data,Ch,_,_}} = M ->
+ ct:log("Max pkt size=~p. Got ~p",[MaxSz,M]),
+ ssh:close(Conn),
+ ssh:stop_daemon(Server),
+ ct:fail("Does not obey max_packet_size=~p",[MaxSz])
+ after
+ 2000 -> ok
+ end.
+
%%--------------------------------------------------------------------
shell_no_unicode(Config) ->
new_do_shell(proplists:get_value(io,Config),
@@ -1491,7 +1501,7 @@ new_do_shell(IO, N, Ops=[{Order,Arg}|More]) ->
ct:fail("*** Expected ~p, but got ~p",[string:strip(ExpStr),RecStr])
end
after 30000 ->
- ct:log("Meassage queue of ~p:~n~p",
+ ct:log("Message queue of ~p:~n~p",
[self(), erlang:process_info(self(), messages)]),
case Order of
expect -> ct:fail("timeout, expected ~p",[string:strip(Arg)]);
diff --git a/lib/ssh/test/ssh_compat_SUITE.erl b/lib/ssh/test/ssh_compat_SUITE.erl
index 82b83dd83d..f7eda1dc08 100644
--- a/lib/ssh/test/ssh_compat_SUITE.erl
+++ b/lib/ssh/test/ssh_compat_SUITE.erl
@@ -92,6 +92,7 @@ end_per_suite(Config) ->
%%% os:cmd("docker rm $(docker ps -aq -f status=exited)"),
%% Remove dangling images:
%%% os:cmd("docker rmi $(docker images -f dangling=true -q)"),
+ catch ssh:stop(),
Config.
diff --git a/lib/ssh/test/ssh_connection_SUITE.erl b/lib/ssh/test/ssh_connection_SUITE.erl
index ba4518cfe6..9587c0c251 100644
--- a/lib/ssh/test/ssh_connection_SUITE.erl
+++ b/lib/ssh/test/ssh_connection_SUITE.erl
@@ -45,6 +45,8 @@ all() ->
{group, openssh},
small_interrupted_send,
interrupted_send,
+ exec_erlang_term,
+ exec_erlang_term_non_default_shell,
start_shell,
start_shell_exec,
start_shell_exec_fun,
@@ -85,6 +87,7 @@ init_per_suite(Config) ->
?CHECK_CRYPTO(Config).
end_per_suite(Config) ->
+ catch ssh:stop(),
Config.
%%--------------------------------------------------------------------
@@ -542,6 +545,79 @@ start_shell_exec(Config) when is_list(Config) ->
ssh:stop_daemon(Pid).
%%--------------------------------------------------------------------
+exec_erlang_term(Config) when is_list(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = proplists:get_value(data_dir, Config),
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"}
+ ]),
+
+ ConnectionRef = ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_interaction, true},
+ {user_dir, UserDir}]),
+
+ {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity),
+
+ success = ssh_connection:exec(ConnectionRef, ChannelId0,
+ "1+2.", infinity),
+ TestResult =
+ receive
+ {ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"3",_/binary>>}} = R ->
+ ct:log("Got expected ~p",[R]);
+ Other ->
+ ct:log("Got unexpected ~p",[Other])
+ after 5000 ->
+ {fail,"Exec Timeout"}
+ end,
+
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid),
+ TestResult.
+
+%%--------------------------------------------------------------------
+exec_erlang_term_non_default_shell(Config) when is_list(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = proplists:get_value(data_dir, Config),
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {shell, fun(U, H) -> start_our_shell(U, H) end}
+ ]),
+
+ ConnectionRef = ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_interaction, true},
+ {user_dir, UserDir}
+ ]),
+
+ {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity),
+
+ success = ssh_connection:exec(ConnectionRef, ChannelId0,
+ "1+2.", infinity),
+ TestResult =
+ receive
+ {ssh_cm, ConnectionRef, {data, _ChannelId, 0, <<"3",_/binary>>}} = R ->
+ ct:log("Got unexpected ~p",[R]),
+ {fail,"Could exec erlang term although non-erlang shell"};
+ Other ->
+ ct:log("Got expected ~p",[Other])
+ after 5000 ->
+ {fail, "Exec Timeout"}
+ end,
+
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid),
+ TestResult.
+
+%%--------------------------------------------------------------------
start_shell_exec_fun() ->
[{doc, "start shell to exec command"}].
@@ -800,6 +876,8 @@ stop_listener(Config) when is_list(Config) ->
ssh:stop_daemon(Pid0),
ssh:stop_daemon(Pid1);
Error ->
+ ssh:close(ConnectionRef0),
+ ssh:stop_daemon(Pid0),
ct:fail({unexpected, Error})
end.
@@ -819,11 +897,22 @@ start_subsystem_on_closed_channel(Config) ->
{user_interaction, false},
{user_dir, UserDir}]),
- {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity),
- ok = ssh_connection:close(ConnectionRef, ChannelId),
+ {ok, ChannelId1} = ssh_connection:session_channel(ConnectionRef, infinity),
+ ok = ssh_connection:close(ConnectionRef, ChannelId1),
+ {error, closed} = ssh_connection:ptty_alloc(ConnectionRef, ChannelId1, []),
+ {error, closed} = ssh_connection:subsystem(ConnectionRef, ChannelId1, "echo_n", 5000),
+ {error, closed} = ssh_connection:exec(ConnectionRef, ChannelId1, "testing1.\n", 5000),
+ {error, closed} = ssh_connection:send(ConnectionRef, ChannelId1, "exit().\n", 5000),
- {error, closed} = ssh_connection:subsystem(ConnectionRef, ChannelId, "echo_n", infinity),
+ %% Test that there could be a gap between close and an operation (Bugfix OTP-14939):
+ {ok, ChannelId2} = ssh_connection:session_channel(ConnectionRef, infinity),
+ ok = ssh_connection:close(ConnectionRef, ChannelId2),
+ timer:sleep(2000),
+ {error, closed} = ssh_connection:ptty_alloc(ConnectionRef, ChannelId2, []),
+ {error, closed} = ssh_connection:subsystem(ConnectionRef, ChannelId2, "echo_n", 5000),
+ {error, closed} = ssh_connection:exec(ConnectionRef, ChannelId2, "testing1.\n", 5000),
+ {error, closed} = ssh_connection:send(ConnectionRef, ChannelId2, "exit().\n", 5000),
ssh:close(ConnectionRef),
ssh:stop_daemon(Pid).
diff --git a/lib/ssh/test/ssh_engine_SUITE.erl b/lib/ssh/test/ssh_engine_SUITE.erl
index daf93891e9..c131a70973 100644
--- a/lib/ssh/test/ssh_engine_SUITE.erl
+++ b/lib/ssh/test/ssh_engine_SUITE.erl
@@ -55,16 +55,22 @@ basic_tests() ->
init_per_suite(Config) ->
ssh:start(),
?CHECK_CRYPTO(
- case load_engine() of
- {ok,E} ->
- [{engine,E}|Config];
- {error, notsup} ->
- {skip, "Engine not supported on this OpenSSL version"};
- {error, bad_engine_id} ->
- {skip, "Dynamic Engine not supported"};
- Other ->
- ct:log("Engine load failed: ~p",[Other]),
- {fail, "Engine load failed"}
+ case crypto:info_lib() of
+ [{_,_, <<"OpenSSL 1.0.1s-freebsd 1 Mar 2016">>}] ->
+ {skip, "Strange Engine stuff"};
+
+ _ ->
+ case load_engine() of
+ {ok,E} ->
+ [{engine,E}|Config];
+ {error, notsup} ->
+ {skip, "Engine not supported on this OpenSSL version"};
+ {error, bad_engine_id} ->
+ {skip, "Dynamic Engine not supported"};
+ Other ->
+ ct:log("Engine load failed: ~p",[Other]),
+ {fail, "Engine load failed"}
+ end
end
).
diff --git a/lib/ssh/test/ssh_options_SUITE.erl b/lib/ssh/test/ssh_options_SUITE.erl
index 144ec7f8fd..12a85c40aa 100644
--- a/lib/ssh/test/ssh_options_SUITE.erl
+++ b/lib/ssh/test/ssh_options_SUITE.erl
@@ -70,7 +70,8 @@
hostkey_fingerprint_check_sha256/1,
hostkey_fingerprint_check_sha384/1,
hostkey_fingerprint_check_sha512/1,
- hostkey_fingerprint_check_list/1
+ hostkey_fingerprint_check_list/1,
+ save_accepted_host_option/1
]).
%%% Common test callbacks
@@ -124,6 +125,7 @@ all() ->
id_string_own_string_server,
id_string_own_string_server_trail_space,
id_string_random_server,
+ save_accepted_host_option,
{group, hardening_tests}
].
@@ -206,32 +208,23 @@ end_per_group(_, Config) ->
%%--------------------------------------------------------------------
init_per_testcase(_TestCase, Config) ->
ssh:start(),
- Config.
-
-end_per_testcase(TestCase, Config) when TestCase == server_password_option;
- TestCase == server_userpassword_option;
- TestCase == server_pwdfun_option;
- TestCase == server_pwdfun_4_option ->
+ %% Create a clean user_dir
UserDir = filename:join(proplists:get_value(priv_dir, Config), nopubkey),
ssh_test_lib:del_dirs(UserDir),
- end_per_testcase(Config);
-end_per_testcase(_TestCase, Config) ->
- end_per_testcase(Config).
+ file:make_dir(UserDir),
+ [{user_dir,UserDir}|Config].
-end_per_testcase(_Config) ->
+end_per_testcase(_TestCase, Config) ->
ssh:stop(),
ok.
%%--------------------------------------------------------------------
%% Test Cases --------------------------------------------------------
%%--------------------------------------------------------------------
-%%--------------------------------------------------------------------
%%% validate to server that uses the 'password' option
server_password_option(Config) when is_list(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
{user_dir, UserDir},
@@ -262,12 +255,10 @@ server_password_option(Config) when is_list(Config) ->
%%% validate to server that uses the 'password' option
server_userpassword_option(Config) when is_list(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
- {user_dir, PrivDir},
+ {user_dir, UserDir},
{user_passwords, [{"vego", "morot"}]}]),
ConnectionRef =
@@ -297,15 +288,13 @@ server_userpassword_option(Config) when is_list(Config) ->
%%--------------------------------------------------------------------
%%% validate to server that uses the 'pwdfun' option
server_pwdfun_option(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
CHKPWD = fun("foo",Pwd) -> Pwd=="bar";
(_,_) -> false
end,
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
- {user_dir, PrivDir},
+ {user_dir, UserDir},
{pwdfun,CHKPWD}]),
ConnectionRef =
ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
@@ -335,9 +324,7 @@ server_pwdfun_option(Config) ->
%%--------------------------------------------------------------------
%%% validate to server that uses the 'pwdfun/4' option
server_pwdfun_4_option(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
PWDFUN = fun("foo",Pwd,{_,_},undefined) -> Pwd=="bar";
("fie",Pwd,{_,_},undefined) -> {Pwd=="bar",new_state};
@@ -345,7 +332,7 @@ server_pwdfun_4_option(Config) ->
(_,_,_,_) -> false
end,
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
- {user_dir, PrivDir},
+ {user_dir, UserDir},
{pwdfun,PWDFUN}]),
ConnectionRef1 =
ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
@@ -395,9 +382,7 @@ server_pwdfun_4_option(Config) ->
%%--------------------------------------------------------------------
server_pwdfun_4_option_repeat(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
%% Test that the state works
Parent = self(),
@@ -406,7 +391,7 @@ server_pwdfun_4_option_repeat(Config) ->
(_,P,_,S) -> Parent!{P,S}, {false,S+1}
end,
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
- {user_dir, PrivDir},
+ {user_dir, UserDir},
{auth_methods,"keyboard-interactive"},
{pwdfun,PWDFUN}]),
@@ -490,9 +475,7 @@ user_dir_option(Config) ->
%%--------------------------------------------------------------------
%%% validate client that uses the 'ssh_msg_debug_fun' option
ssh_msg_debug_fun_option_client(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
@@ -530,9 +513,7 @@ ssh_msg_debug_fun_option_client(Config) ->
%%--------------------------------------------------------------------
connectfun_disconnectfun_server(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
Parent = self(),
@@ -576,9 +557,7 @@ connectfun_disconnectfun_server(Config) ->
%%--------------------------------------------------------------------
connectfun_disconnectfun_client(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
Parent = self(),
@@ -607,9 +586,7 @@ connectfun_disconnectfun_client(Config) ->
%%--------------------------------------------------------------------
%%% validate client that uses the 'ssh_msg_debug_fun' option
ssh_msg_debug_fun_option_server(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
Parent = self(),
@@ -651,9 +628,7 @@ ssh_msg_debug_fun_option_server(Config) ->
%%--------------------------------------------------------------------
disconnectfun_option_server(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
Parent = self(),
@@ -686,9 +661,7 @@ disconnectfun_option_server(Config) ->
%%--------------------------------------------------------------------
disconnectfun_option_client(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
Parent = self(),
@@ -720,9 +693,7 @@ disconnectfun_option_client(Config) ->
%%--------------------------------------------------------------------
unexpectedfun_option_server(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
Parent = self(),
@@ -763,9 +734,7 @@ unexpectedfun_option_server(Config) ->
%%--------------------------------------------------------------------
unexpectedfun_option_client(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
Parent = self(),
@@ -840,14 +809,9 @@ supported_hash(HashAlg) ->
really_do_hostkey_fingerprint_check(Config, HashAlg) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDirServer = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDirServer),
+ UserDir = proplists:get_value(user_dir, Config),
SysDir = proplists:get_value(data_dir, Config),
- UserDirClient =
- ssh_test_lib:create_random_dir(Config), % Ensure no 'known_hosts' disturbs
-
%% All host key fingerprints. Trust that public_key has checked the ssh_hostkey_fingerprint
%% function since that function is used by the ssh client...
FPs0 = [case HashAlg of
@@ -873,7 +837,7 @@ really_do_hostkey_fingerprint_check(Config, HashAlg) ->
%% Start daemon with the public keys that we got fingerprints from
{Pid, Host0, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
- {user_dir, UserDirServer},
+ {user_dir, UserDir},
{password, "morot"}]),
Host = ssh_test_lib:ntoa(Host0),
FP_check_fun = fun(PeerName, FP) ->
@@ -896,7 +860,8 @@ really_do_hostkey_fingerprint_check(Config, HashAlg) ->
end},
{user, "foo"},
{password, "morot"},
- {user_dir, UserDirClient},
+ {user_dir, UserDir},
+ {save_accepted_host, false}, % Ensure no 'known_hosts' disturbs
{user_interaction, false}]),
ssh:stop_daemon(Pid).
@@ -987,9 +952,7 @@ ms_passed(T0) ->
%%--------------------------------------------------------------------
ssh_daemon_minimal_remote_max_packet_size_option(Config) ->
SystemDir = proplists:get_value(data_dir, Config),
- PrivDir = proplists:get_value(priv_dir, Config),
- UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
- file:make_dir(UserDir),
+ UserDir = proplists:get_value(user_dir, Config),
{Server, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},
{user_dir, UserDir},
@@ -1314,6 +1277,33 @@ try_to_connect(Connect, Host, Port, Pid, Tref, N) ->
end.
%%--------------------------------------------------------------------
+save_accepted_host_option(Config) ->
+ UserDir = proplists:get_value(user_dir, Config),
+ KnownHosts = filename:join(UserDir, "known_hosts"),
+ SysDir = proplists:get_value(data_dir, Config),
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {user_passwords, [{"vego", "morot"}]}
+ ]),
+ {error,enoent} = file:read_file(KnownHosts),
+
+ {ok,_C1} = ssh:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "vego"},
+ {password, "morot"},
+ {user_interaction, false},
+ {save_accepted_host, false},
+ {user_dir, UserDir}]),
+ {error,enoent} = file:read_file(KnownHosts),
+
+ {ok,_C2} = ssh:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "vego"},
+ {password, "morot"},
+ {user_interaction, false},
+ {user_dir, UserDir}]),
+ {ok,_} = file:read_file(KnownHosts),
+ ssh:stop_daemon(Pid).
+
+%%--------------------------------------------------------------------
%% Internal functions ------------------------------------------------
%%--------------------------------------------------------------------
diff --git a/lib/ssh/test/ssh_sup_SUITE.erl b/lib/ssh/test/ssh_sup_SUITE.erl
index 3920a1c592..1df55834b1 100644
--- a/lib/ssh/test/ssh_sup_SUITE.erl
+++ b/lib/ssh/test/ssh_sup_SUITE.erl
@@ -42,7 +42,9 @@ suite() ->
all() ->
[default_tree, sshc_subtree, sshd_subtree, sshd_subtree_profile,
- killed_acceptor_restarts].
+ killed_acceptor_restarts,
+ shell_channel_tree
+ ].
groups() ->
[].
@@ -199,7 +201,7 @@ killed_acceptor_restarts(Config) ->
Port2 = ssh_test_lib:daemon_port(DaemonPid2),
true = (Port /= Port2),
- ct:pal("~s",[lists:flatten(ssh_info:string())]),
+ ct:log("~s",[lists:flatten(ssh_info:string())]),
{ok,[{AccPid,ListenAddr,Port}]} = acceptor_pid(DaemonPid),
{ok,[{AccPid2,ListenAddr,Port2}]} = acceptor_pid(DaemonPid2),
@@ -216,11 +218,14 @@ killed_acceptor_restarts(Config) ->
%% Make acceptor restart:
exit(AccPid, kill),
+ ?wait_match(undefined, process_info(AccPid)),
%% Check it is a new acceptor:
- {ok,[{AccPid1,ListenAddr,Port}]} = acceptor_pid(DaemonPid),
- true = (AccPid /= AccPid1),
- true = (AccPid2 /= AccPid1),
+ ?wait_match({ok,[{AccPid1,ListenAddr,Port}]}, AccPid1=/=AccPid,
+ acceptor_pid(DaemonPid),
+ AccPid1,
+ 500, 30),
+ AccPid1 =/= AccPid2,
%% Connect second client and check it is alive:
{ok,C2} = ssh:connect("localhost", Port, [{silently_accept_hosts, true},
@@ -230,21 +235,113 @@ killed_acceptor_restarts(Config) ->
{user_dir, UserDir}]),
[{client_version,_}] = ssh:connection_info(C2,[client_version]),
- ct:pal("~s",[lists:flatten(ssh_info:string())]),
+ ct:log("~s",[lists:flatten(ssh_info:string())]),
%% Check first client is still alive:
[{client_version,_}] = ssh:connection_info(C1,[client_version]),
ok = ssh:stop_daemon(DaemonPid2),
- timer:sleep(15000),
+ ?wait_match(undefined, process_info(DaemonPid2), 1000, 30),
[{client_version,_}] = ssh:connection_info(C1,[client_version]),
[{client_version,_}] = ssh:connection_info(C2,[client_version]),
ok = ssh:stop_daemon(DaemonPid),
- timer:sleep(15000),
+ ?wait_match(undefined, process_info(DaemonPid), 1000, 30),
{error,closed} = ssh:connection_info(C1,[client_version]),
{error,closed} = ssh:connection_info(C2,[client_version]).
+
+%%-------------------------------------------------------------------------
+shell_channel_tree(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = proplists:get_value(data_dir, Config),
+ TimeoutShell =
+ fun() ->
+ io:format("TimeoutShell started!~n",[]),
+ timer:sleep(5000),
+ ct:log("~p TIMEOUT!",[self()])
+ end,
+ {Daemon, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {shell, fun(_User) ->
+ spawn(TimeoutShell)
+ end
+ }
+ ]),
+ ConnectionRef = ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_interaction, true},
+ {user_dir, UserDir}]),
+
+ [ChannelSup|_] = Sups0 = chk_empty_con_daemon(Daemon),
+ {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity),
+ ok = ssh_connection:shell(ConnectionRef,ChannelId0),
+
+ ?wait_match([{_, GroupPid,worker,[ssh_channel]}],
+ supervisor:which_children(ChannelSup),
+ [GroupPid]),
+ {links,GroupLinks} = erlang:process_info(GroupPid, links),
+ [ShellPid] = GroupLinks--[ChannelSup],
+ ct:log("GroupPid = ~p, ShellPid = ~p",[GroupPid,ShellPid]),
+
+ receive
+ {ssh_cm,ConnectionRef, {data, ChannelId0, 0, <<"TimeoutShell started!\r\n">>}} ->
+ receive
+ %%---- wait for the subsystem to terminate
+ {ssh_cm,ConnectionRef,{closed,ChannelId0}} ->
+ ct:log("Subsystem terminated",[]),
+ case {chk_empty_con_daemon(Daemon),
+ process_info(GroupPid),
+ process_info(ShellPid)} of
+ {Sups0, undefined, undefined} ->
+ %% SUCCESS
+ ssh:stop_daemon(Daemon);
+ {Sups0, _, undefined} ->
+ ssh:stop_daemon(Daemon),
+ ct:fail("Group proc lives!");
+ {Sups0, undefined, _} ->
+ ssh:stop_daemon(Daemon),
+ ct:fail("Shell proc lives!");
+ _ ->
+ ssh:stop_daemon(Daemon),
+ ct:fail("Sup tree changed!")
+ end
+ after 10000 ->
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Daemon),
+ ct:fail("CLI Timeout")
+ end
+ after 10000 ->
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Daemon),
+ ct:fail("CLI Timeout")
+ end.
+
+
+chk_empty_con_daemon(Daemon) ->
+ ?wait_match([{_,SubSysSup, supervisor,[ssh_subsystem_sup]},
+ {{ssh_acceptor_sup,_,_,_}, AccSup, supervisor,[ssh_acceptor_sup]}],
+ supervisor:which_children(Daemon),
+ [SubSysSup,AccSup]),
+ ?wait_match([{{server,ssh_connection_sup, _,_},
+ ConnectionSup, supervisor,
+ [ssh_connection_sup]},
+ {{server,ssh_channel_sup,_ ,_},
+ ChannelSup,supervisor,
+ [ssh_channel_sup]}],
+ supervisor:which_children(SubSysSup),
+ [ConnectionSup,ChannelSup]),
+ ?wait_match([{{ssh_acceptor_sup,_,_,_},_,worker,[ssh_acceptor]}],
+ supervisor:which_children(AccSup)),
+ ?wait_match([{_, _, worker,[ssh_connection_handler]}],
+ supervisor:which_children(ConnectionSup)),
+ ?wait_match([], supervisor:which_children(ChannelSup)),
+ [ChannelSup, ConnectionSup, SubSysSup, AccSup].
+
%%-------------------------------------------------------------------------
%% Help functions
%%-------------------------------------------------------------------------
diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl
index f97c3b1352..57ae2dbac2 100644
--- a/lib/ssh/test/ssh_test_lib.erl
+++ b/lib/ssh/test/ssh_test_lib.erl
@@ -53,10 +53,12 @@ daemon(Host, Options) ->
daemon(Host, Port, Options) ->
- %% ct:log("~p:~p Calling ssh:daemon(~p, ~p, ~p)",[?MODULE,?LINE,Host,Port,Options]),
+ ct:log("~p:~p Calling ssh:daemon(~p, ~p, ~p)",[?MODULE,?LINE,Host,Port,Options]),
case ssh:daemon(Host, Port, Options) of
{ok, Pid} ->
- {ok,L} = ssh:daemon_info(Pid),
+ R = ssh:daemon_info(Pid),
+ ct:log("~p:~p ssh:daemon_info(~p) ->~n ~p",[?MODULE,?LINE,Pid,R]),
+ {ok,L} = R,
ListenPort = proplists:get_value(port, L),
ListenIP = proplists:get_value(ip, L),
{Pid, ListenIP, ListenPort};
diff --git a/lib/ssh/test/ssh_test_lib.hrl b/lib/ssh/test/ssh_test_lib.hrl
index eaf856e6e8..4b6579bd71 100644
--- a/lib/ssh/test/ssh_test_lib.hrl
+++ b/lib/ssh/test/ssh_test_lib.hrl
@@ -16,12 +16,12 @@
%%-------------------------------------------------------------------------
%% Help macro
%%-------------------------------------------------------------------------
--define(wait_match(Pattern, FunctionCall, Bind, Timeout, Ntries),
+-define(wait_match(Pattern, Guard, FunctionCall, Bind, Timeout, Ntries),
Bind =
(fun() ->
F = fun(N, F1) ->
case FunctionCall of
- Pattern -> Bind;
+ Pattern when Guard -> Bind;
_ when N>0 ->
ct:pal("Must sleep ~p ms at ~p:~p",[Timeout,?MODULE,?LINE]),
timer:sleep(Timeout),
@@ -34,6 +34,9 @@
end)()
).
+-define(wait_match(Pattern, FunctionCall, Bind, Timeout, Ntries),
+ ?wait_match(Pattern, true, FunctionCall, Bind, Timeout, Ntries)).
+
-define(wait_match(Pattern, FunctionCall, Timeout, Ntries), ?wait_match(Pattern, FunctionCall, ok, Timeout, Ntries)).
-define(wait_match(Pattern, FunctionCall, Bind), ?wait_match(Pattern, FunctionCall, Bind, 500, 10) ).
diff --git a/lib/ssh/vsn.mk b/lib/ssh/vsn.mk
index 004db6e3a2..480e955ec4 100644
--- a/lib/ssh/vsn.mk
+++ b/lib/ssh/vsn.mk
@@ -1,5 +1,4 @@
#-*-makefile-*- ; force emacs to enter makefile-mode
-SSH_VSN = 4.6.4
-
+SSH_VSN = 4.6.5
APP_VSN = "ssh-$(SSH_VSN)"
diff --git a/lib/ssl/doc/src/notes.xml b/lib/ssl/doc/src/notes.xml
index 79176f5edf..bdf8711b2f 100644
--- a/lib/ssl/doc/src/notes.xml
+++ b/lib/ssl/doc/src/notes.xml
@@ -307,6 +307,21 @@
</section>
</section>
+<section><title>SSL 8.1.3.1.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix alert handling so that unexpected messages are logged
+ and alerted correctly</p>
+ <p>
+ Own Id: OTP-14929</p>
+ </item>
+ </list>
+ </section>
+</section>
+
<section><title>SSL 8.1.3.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index 4f72114ae9..7267083e32 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -264,8 +264,9 @@
<item><p>Specifies if to reject renegotiation attempt that does
not live up to
<url href="http://www.ietf.org/rfc/rfc5746.txt">RFC 5746</url>.
- By default <c>secure_renegotiate</c> is set to <c>false</c>,
- that is, secure renegotiation is used if possible,
+ By default <c>secure_renegotiate</c> is set to <c>true</c>,
+ that is, secure renegotiation is enforced. If set to <c>false</c> secure renegotiation
+ will still be used if possible,
but it falls back to insecure renegotiation if the peer
does not support
<url href="http://www.ietf.org/rfc/rfc5746.txt">RFC 5746</url>.</p>
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 0b035d31be..82f62b51b9 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -843,7 +843,7 @@ handle_options(Opts0, Role, Host) ->
%% Server side option
reuse_session = handle_option(reuse_session, Opts, ReuseSessionFun),
reuse_sessions = handle_option(reuse_sessions, Opts, true),
- secure_renegotiate = handle_option(secure_renegotiate, Opts, false),
+ secure_renegotiate = handle_option(secure_renegotiate, Opts, true),
client_renegotiation = handle_option(client_renegotiation, Opts,
default_option_role(server, true, Role),
server, Role),
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index 1d645e5782..a83ce42455 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -96,7 +96,7 @@ security_parameters(Version, CipherSuite, SecParams) ->
expanded_key_material_length = expanded_key_material(Cipher),
key_material_length = key_material(Cipher),
iv_size = iv_size(Cipher),
- mac_algorithm = hash_algorithm(Hash),
+ mac_algorithm = mac_algorithm(Hash),
prf_algorithm = prf_algorithm(PrfHashAlg, Version),
hash_size = hash_size(Hash)}.
@@ -2531,6 +2531,11 @@ prf_algorithm(default_prf, {3, _}) ->
prf_algorithm(Algo, _) ->
hash_algorithm(Algo).
+mac_algorithm(aead) ->
+ aead;
+mac_algorithm(Algo) ->
+ hash_algorithm(Algo).
+
hash_algorithm(null) -> ?NULL;
hash_algorithm(md5) -> ?MD5;
hash_algorithm(sha) -> ?SHA; %% Only sha always refers to "SHA-1"
@@ -2561,6 +2566,10 @@ sign_algorithm(Other) when is_integer(Other) andalso ((Other >= 224) and (Other
hash_size(null) ->
0;
+%% The AEAD MAC hash size is not used in the context
+%% of calculating the master secret. See RFC 5246 Section 6.2.3.3.
+hash_size(aead) ->
+ 0;
hash_size(md5) ->
16;
hash_size(sha) ->
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index d046145dff..2031735a71 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -1148,8 +1148,8 @@ handle_common_event(internal, #change_cipher_spec{type = <<1>>}, StateName,
StateName, State);
handle_common_event(_Type, Msg, StateName, #state{negotiated_version = Version} = State,
_) ->
- Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE),
- handle_own_alert(Alert, Version, {StateName, Msg}, State).
+ Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE, {unexpected_msg, Msg}),
+ handle_own_alert(Alert, Version, StateName, State).
handle_call({application_data, _Data}, _, _, _, _) ->
%% In renegotiation priorities handshake, send data when handshake is finished
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index 0c55af9174..09160e2f9c 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -774,9 +774,8 @@ decode_suites('3_bytes', Dec) ->
%%====================================================================
available_suites(UserSuites, Version) ->
- lists:filtermap(fun(Suite) ->
- lists:member(Suite, ssl_cipher:all_suites(Version))
- end, UserSuites).
+ VersionSuites = ssl_cipher:all_suites(Version) ++ ssl_cipher:anonymous_suites(Version),
+ lists:filtermap(fun(Suite) -> lists:member(Suite, VersionSuites) end, UserSuites).
available_suites(ServerCert, UserSuites, Version, undefined, Curve) ->
ssl_cipher:filter(ServerCert, available_suites(UserSuites, Version))
@@ -1056,7 +1055,9 @@ select_curve(undefined, _, _) ->
%%
%% Description: Handles signature_algorithms hello extension (server)
%%--------------------------------------------------------------------
-select_hashsign(_, undefined, _, _, _Version) ->
+select_hashsign(_, _, KeyExAlgo, _, _Version) when KeyExAlgo == dh_anon;
+ KeyExAlgo == ecdh_anon;
+ KeyExAlgo == srp_anon ->
{null, anon};
%% The signature_algorithms extension was introduced with TLS 1.2. Ignore it if we have
%% negotiated a lower version.
diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl
index 2781203557..05979d3cfd 100644
--- a/lib/ssl/test/ssl_basic_SUITE.erl
+++ b/lib/ssl/test/ssl_basic_SUITE.erl
@@ -194,6 +194,7 @@ renegotiate_tests() ->
[client_renegotiate,
server_renegotiate,
client_secure_renegotiate,
+ client_secure_renegotiate_fallback,
client_renegotiate_reused_session,
server_renegotiate_reused_session,
client_no_wrap_sequence_number,
@@ -2898,6 +2899,36 @@ client_secure_renegotiate(Config) when is_list(Config) ->
ssl_test_lib:close(Server),
ssl_test_lib:close(Client).
+%%--------------------------------------------------------------------
+client_secure_renegotiate_fallback() ->
+ [{doc,"Test that we can set secure_renegotiate to false that is "
+ "fallback option, we however do not have a insecure server to test against!"}].
+client_secure_renegotiate_fallback(Config) when is_list(Config) ->
+ ServerOpts = ssl_test_lib:ssl_options(server_opts, Config),
+ ClientOpts = ssl_test_lib:ssl_options(client_opts, Config),
+
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Data = "From erlang to erlang",
+
+ Server =
+ ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, erlang_ssl_receive, [Data]}},
+ {options, [{secure_renegotiate, false} | ServerOpts]}]),
+ Port = ssl_test_lib:inet_port(Server),
+
+ Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE,
+ renegotiate, [Data]}},
+ {options, [{reuse_sessions, false},
+ {secure_renegotiate, false}| ClientOpts]}]),
+
+ ssl_test_lib:check_result(Client, ok, Server, ok),
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
%%--------------------------------------------------------------------
server_renegotiate() ->
diff --git a/lib/ssl/test/ssl_engine_SUITE.erl b/lib/ssl/test/ssl_engine_SUITE.erl
index bc221d35fd..71891356e8 100644
--- a/lib/ssl/test/ssl_engine_SUITE.erl
+++ b/lib/ssl/test/ssl_engine_SUITE.erl
@@ -39,23 +39,28 @@ init_per_suite(Config) ->
catch crypto:stop(),
try crypto:start() of
ok ->
- ssl_test_lib:clean_start(),
- case crypto:get_test_engine() of
- {ok, EngineName} ->
- try crypto:engine_load(<<"dynamic">>,
- [{<<"SO_PATH">>, EngineName},
- <<"LOAD">>],
- []) of
- {ok, Engine} ->
- [{engine, Engine} |Config];
- {error, Reason} ->
- ct:pal("Reason ~p", [Reason]),
- {skip, "No dynamic engine support"}
- catch error:notsup ->
- {skip, "No engine support in OpenSSL"}
- end;
- {error, notexist} ->
- {skip, "Test engine not found"}
+ case crypto:info_lib() of
+ [{_,_, <<"OpenSSL 1.0.1s-freebsd 1 Mar 2016">>}] ->
+ {skip, "Problem with engine on OpenSSL 1.0.1s-freebsd"};
+ _ ->
+ ssl_test_lib:clean_start(),
+ case crypto:get_test_engine() of
+ {ok, EngineName} ->
+ try crypto:engine_load(<<"dynamic">>,
+ [{<<"SO_PATH">>, EngineName},
+ <<"LOAD">>],
+ []) of
+ {ok, Engine} ->
+ [{engine, Engine} |Config];
+ {error, Reason} ->
+ ct:pal("Reason ~p", [Reason]),
+ {skip, "No dynamic engine support"}
+ catch error:notsup ->
+ {skip, "No engine support in OpenSSL"}
+ end;
+ {error, notexist} ->
+ {skip, "Test engine not found"}
+ end
end
catch _:_ ->
{skip, "Crypto did not start"}
diff --git a/lib/ssl/test/ssl_to_openssl_SUITE.erl b/lib/ssl/test/ssl_to_openssl_SUITE.erl
index f091c8786e..dcdea6beb5 100644
--- a/lib/ssl/test/ssl_to_openssl_SUITE.erl
+++ b/lib/ssl/test/ssl_to_openssl_SUITE.erl
@@ -70,6 +70,9 @@ all_versions_tests() ->
erlang_server_openssl_client,
erlang_client_openssl_server_dsa_cert,
erlang_server_openssl_client_dsa_cert,
+ erlang_client_openssl_server_anon,
+ erlang_server_openssl_client_anon,
+ erlang_server_openssl_client_anon_with_cert,
erlang_server_openssl_client_reuse_session,
erlang_client_openssl_server_renegotiate,
erlang_client_openssl_server_nowrap_seqnum,
@@ -89,6 +92,9 @@ dtls_all_versions_tests() ->
erlang_server_openssl_client,
erlang_client_openssl_server_dsa_cert,
erlang_server_openssl_client_dsa_cert,
+ erlang_client_openssl_server_anon,
+ erlang_server_openssl_client_anon,
+ erlang_server_openssl_client_anon_with_cert,
erlang_server_openssl_client_reuse_session,
erlang_client_openssl_server_renegotiate,
erlang_client_openssl_server_nowrap_seqnum,
@@ -550,7 +556,121 @@ erlang_server_openssl_client_dsa_cert(Config) when is_list(Config) ->
ssl_test_lib:close_port(OpenSslPort),
process_flag(trap_exit, false).
-%%--------------------------------------------------------------------
+%%--------------------------------------------------------------------
+erlang_client_openssl_server_anon() ->
+ [{doc,"Test erlang client with openssl server, anonymous"}].
+erlang_client_openssl_server_anon(Config) when is_list(Config) ->
+ process_flag(trap_exit, true),
+ %% OpenSSL expects a certificate and key, even if the cipher spec
+ %% is restructed to aNULL, so we use 'server_rsa_opts' here
+ ServerOpts = ssl_test_lib:ssl_options(server_rsa_opts, Config),
+ ClientOpts = ssl_test_lib:ssl_options(client_anon_opts, Config),
+ VersionTuple = ssl_test_lib:protocol_version(Config, tuple),
+ Ciphers = ssl_test_lib:anonymous_suites(VersionTuple),
+
+ {ClientNode, _, Hostname} = ssl_test_lib:run_where(Config),
+
+ Data = "From openssl to erlang",
+
+ Port = ssl_test_lib:inet_port(node()),
+ CertFile = proplists:get_value(certfile, ServerOpts),
+ KeyFile = proplists:get_value(keyfile, ServerOpts),
+ Version = ssl_test_lib:protocol_version(Config),
+ Exe = "openssl",
+ Args = ["s_server", "-accept", integer_to_list(Port),
+ ssl_test_lib:version_flag(Version),
+ "-cert", CertFile, "-key", KeyFile,
+ "-cipher", "aNULL", "-msg"],
+
+ OpensslPort = ssl_test_lib:portable_open_port(Exe, Args),
+
+ ssl_test_lib:wait_for_openssl_server(Port, proplists:get_value(protocol, Config)),
+
+ Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE,
+ erlang_ssl_receive, [Data]}},
+ {options, [{ciphers, Ciphers} | ClientOpts]}]),
+
+ true = port_command(OpensslPort, Data),
+
+ ssl_test_lib:check_result(Client, ok),
+
+ %% Clean close down! Server needs to be closed first !!
+ ssl_test_lib:close_port(OpensslPort),
+ ssl_test_lib:close(Client),
+ process_flag(trap_exit, false),
+ ok.
+%%--------------------------------------------------------------------
+erlang_server_openssl_client_anon() ->
+ [{doc,"Test erlang server with openssl client, anonymous"}].
+erlang_server_openssl_client_anon(Config) when is_list(Config) ->
+ process_flag(trap_exit, true),
+ ServerOpts = ssl_test_lib:ssl_options(server_anon_opts, Config),
+ VersionTuple = ssl_test_lib:protocol_version(Config, tuple),
+ Ciphers = ssl_test_lib:anonymous_suites(VersionTuple),
+
+ {_, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Data = "From openssl to erlang",
+
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, erlang_ssl_receive, [Data]}},
+ {options, [{ciphers, Ciphers} | ServerOpts]}]),
+ Port = ssl_test_lib:inet_port(Server),
+ Version = ssl_test_lib:protocol_version(Config),
+ Exe = "openssl",
+ Args = ["s_client", "-connect", hostname_format(Hostname) ++ ":" ++ integer_to_list(Port),
+ ssl_test_lib:version_flag(Version),
+ "-cipher", "aNULL", "-msg"],
+
+ OpenSslPort = ssl_test_lib:portable_open_port(Exe, Args),
+ true = port_command(OpenSslPort, Data),
+
+ ssl_test_lib:check_result(Server, ok),
+
+ %% Clean close down! Server needs to be closed first !!
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close_port(OpenSslPort),
+ process_flag(trap_exit, false).
+
+ %%--------------------------------------------------------------------
+ erlang_server_openssl_client_anon_with_cert() ->
+ [{doc,"Test erlang server with openssl client, anonymous (with cert)"}].
+ erlang_server_openssl_client_anon_with_cert(Config) when is_list(Config) ->
+ process_flag(trap_exit, true),
+ ServerOpts = ssl_test_lib:ssl_options(server_rsa_opts, Config),
+ VersionTuple = ssl_test_lib:protocol_version(Config, tuple),
+ Ciphers = ssl_test_lib:anonymous_suites(VersionTuple),
+
+ {_, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Data = "From openssl to erlang",
+
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, erlang_ssl_receive, [Data]}},
+ {options, [{ciphers, Ciphers} | ServerOpts]}]),
+ Port = ssl_test_lib:inet_port(Server),
+ Version = ssl_test_lib:protocol_version(Config),
+ Exe = "openssl",
+ Args = ["s_client", "-connect", hostname_format(Hostname) ++ ":" ++ integer_to_list(Port),
+ ssl_test_lib:version_flag(Version),
+ "-cipher", "aNULL", "-msg"],
+
+ OpenSslPort = ssl_test_lib:portable_open_port(Exe, Args),
+ true = port_command(OpenSslPort, Data),
+
+ ssl_test_lib:check_result(Server, ok),
+
+ %% Clean close down! Server needs to be closed first !!
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close_port(OpenSslPort),
+ process_flag(trap_exit, false).
+
+%%--------------------------------------------------------------------
erlang_server_openssl_client_reuse_session() ->
[{doc, "Test erlang server with openssl client that reconnects with the"
diff --git a/lib/stdlib/doc/src/assert_hrl.xml b/lib/stdlib/doc/src/assert_hrl.xml
index ea23cca2ee..33f29f38da 100644
--- a/lib/stdlib/doc/src/assert_hrl.xml
+++ b/lib/stdlib/doc/src/assert_hrl.xml
@@ -93,7 +93,7 @@ erlc -DNOASSERT=true *.erl</code>
<taglist>
<tag><c>assert(BoolExpr)</c></tag>
<item></item>
- <tag><c>URKAassert(BoolExpr, Comment)</c></tag>
+ <tag><c>assert(BoolExpr, Comment)</c></tag>
<item>
<p>Tests that <c>BoolExpr</c> completes normally returning
<c>true</c>.</p>
diff --git a/lib/stdlib/doc/src/erl_tar.xml b/lib/stdlib/doc/src/erl_tar.xml
index caf8f4a96d..14c543ee2b 100644
--- a/lib/stdlib/doc/src/erl_tar.xml
+++ b/lib/stdlib/doc/src/erl_tar.xml
@@ -417,7 +417,7 @@
<v>Reason = term()</v>
</type>
<desc>
- <p>Cconverts an error reason term to a human-readable error message
+ <p>Converts an error reason term to a human-readable error message
string.</p>
</desc>
</func>
diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml
index 1b31a1ec9d..305376a425 100644
--- a/lib/stdlib/doc/src/ets.xml
+++ b/lib/stdlib/doc/src/ets.xml
@@ -487,6 +487,11 @@ Error: fun containing local Erlang function calls
<p>The pid of the heir of the table, or <c>none</c> if no heir
is set.</p>
</item>
+ <tag><c>{id,</c><seealso marker="#type-tid">
+ <c>tid()</c></seealso><c>}</c></tag>
+ <item>
+ <p>The table identifier.</p>
+ </item>
<tag><c>{keypos, integer() >= 1}</c></tag>
<item>
<p>The key position.</p>
@@ -1074,10 +1079,13 @@ ets:select(Table, MatchSpec),</code>
</item>
<tag><c>named_table</c></tag>
<item>
- <p>If this option is present, name <c><anno>Name</anno></c> is
- associated with the table identifier. The name can then
- be used instead of the table identifier in subsequent
- operations.</p>
+ <p>If this option is present, the table is registered under its
+ <c><anno>Name</anno></c> which can then be used instead of the
+ table identifier in subsequent operations.</p>
+ <p>The function will also return the <c><anno>Name</anno></c>
+ instead of the table identifier. To get the table identifier of a
+ named table, use
+ <seealso marker="#whereis/1"><c>whereis/1</c></seealso>.</p>
</item>
<tag><c>{keypos,<anno>Pos</anno>}</c></tag>
<item>
@@ -2037,6 +2045,21 @@ true</pre>
</list>
</desc>
</func>
+
+ <func>
+ <name name="whereis" arity="1"/>
+ <fsummary>Retrieves the tid() of a named table.</fsummary>
+ <desc>
+ <p>This function returns the
+ <seealso marker="#type-tid"><c>tid()</c></seealso> of the named table
+ identified by <c><anno>TableName</anno></c>, or <c>undefined</c> if
+ no such table exists. The <c>tid()</c> can be used in place of the
+ table name in all operations, which is slightly faster since the name
+ does not have to be resolved on each call.</p>
+ <p>If the table is deleted, the <c>tid()</c> will be invalid even if
+ another named table is created with the same name.</p>
+ </desc>
+ </func>
</funcs>
</erlref>
diff --git a/lib/stdlib/doc/src/io.xml b/lib/stdlib/doc/src/io.xml
index 72c774e6ef..6a7c06188b 100644
--- a/lib/stdlib/doc/src/io.xml
+++ b/lib/stdlib/doc/src/io.xml
@@ -167,11 +167,11 @@ ok</pre>
The default padding character is <c>' '</c> (space).</p>
</item>
<item>
- <p><c>Mod</c> is the control sequence modifier. It is either a
- single character (<c>t</c>, for Unicode
- translation, and <c>l</c>, for stopping <c>p</c> and
- <c>P</c> from detecting printable characters)
- that changes the interpretation of <c>Data</c>.</p>
+ <p><c>Mod</c> is the control sequence modifier. It is a
+ single character that changes the interpretation of
+ <c>Data</c>. This can be <c>t</c>, for Unicode translation,
+ or <c>l</c>, for stopping <c>p</c> and <c>P</c> from
+ detecting printable characters.</p>
</item>
</list>
<p><em>Available control sequences:</em></p>
@@ -277,10 +277,9 @@ ok
<c>~w</c>, but breaks terms whose printed representation
is longer than one line into many lines and indents each
line sensibly. Left-justification is not supported.
- It also tries to detect lists of
- printable characters and to output these as strings. The
- Unicode translation modifier is used for determining
- what characters are printable, for example:</p>
+ It also tries to detect flat lists of
+ printable characters and output these as strings.
+ For example:</p>
<pre>
1> <input>T = [{attributes,[[{id,age,1.50000},{mode,explicit},</input>
<input>{typename,"INTEGER"}], [{id,cho},{mode,explicit},{typename,'Cho'}]]},</input>
@@ -302,7 +301,7 @@ ok
{mode,implicit}]
ok</pre>
<p>The field width specifies the maximum line length.
- Defaults to 80. The precision specifies the initial
+ It defaults to 80. The precision specifies the initial
indentation of the term. It defaults to the number of
characters printed on this line in the <em>same</em> call to
<seealso marker="#write/1"><c>write/1</c></seealso> or
@@ -332,18 +331,53 @@ ok
[{a,[97]},
{b,[98]}]
ok</pre>
- <p>Binaries that look like UTF-8 encoded strings are
- output with the string syntax if the Unicode translation
- modifier is specified:</p>
+ <p>The Unicode translation modifier <c>t</c> specifies how to treat
+ characters outside the Latin-1 range of codepoints, in
+ atoms, strings, and binaries. For example, printing an atom
+ containing a character &gt; 255:</p>
+ <pre>
+8> <input>io:fwrite("~p~n",[list_to_atom([1024])]).</input>
+'\x{400}'
+ok
+9> <input>io:fwrite("~tp~n",[list_to_atom([1024])]).</input>
+'Ѐ'
+ok</pre>
+ <p>By default, Erlang only detects lists of characters
+ in the Latin-1 range as strings, but the <c>+pc unicode</c>
+ flag can be used to change this (see <seealso
+ marker="#printable_range/0">
+ <c>printable_range/0</c></seealso> for details). For example:</p>
+ <pre>
+10> <input>io:fwrite("~p~n",[[214]]).</input>
+"Ö"
+ok
+11> <input>io:fwrite("~p~n",[[1024]]).</input>
+[1024]
+ok
+12> <input>io:fwrite("~tp~n",[[1024]]).</input>
+[1024]
+ok
+</pre>
+ <p>but if Erlang was started with <c>+pc unicode</c>:</p>
<pre>
-9> <input>io:fwrite("~p~n",[[1024]]).</input>
+13> <input>io:fwrite("~p~n",[[1024]]).</input>
[1024]
-10> <input>io:fwrite("~tp~n",[[1024]]).</input>
-"\x{400}"
-11> <input>io:fwrite("~tp~n", [&lt;&lt;128,128&gt;&gt;]).</input>
+ok
+14> <input>io:fwrite("~tp~n",[[1024]]).</input>
+"Ѐ"
+ok</pre>
+ <p>Similarly, binaries that look like UTF-8 encoded strings
+ are output with the binary string syntax if the <c>t</c>
+ modifier is specified:</p>
+ <pre>
+15> <input>io:fwrite("~p~n", [&lt;&lt;208,128&gt;&gt;]).</input>
+&lt;&lt;208,128&gt;&gt;
+ok
+16> <input>io:fwrite("~tp~n", [&lt;&lt;208,128&gt;&gt;]).</input>
+&lt;&lt;"Ѐ"/utf8&gt;&gt;
+ok
+17> <input>io:fwrite("~tp~n", [&lt;&lt;128,128&gt;&gt;]).</input>
&lt;&lt;128,128&gt;&gt;
-12> <input>io:fwrite("~tp~n", [&lt;&lt;208,128&gt;&gt;]).</input>
-&lt;&lt;"\x{400}"/utf8&gt;&gt;
ok</pre>
</item>
<tag><c>W</c></tag>
diff --git a/lib/stdlib/doc/src/timer.xml b/lib/stdlib/doc/src/timer.xml
index fcaccdb2cb..350847bf7d 100644
--- a/lib/stdlib/doc/src/timer.xml
+++ b/lib/stdlib/doc/src/timer.xml
@@ -270,7 +270,7 @@
<item>
<p>Evaluates <c>apply(<anno>Module</anno>, <anno>Function</anno>,
<anno>Arguments</anno>)</c> and measures the elapsed real time as
- reported by <seealso marker="os:timestamp/0">
+ reported by <seealso marker="kernel:os#timestamp/0">
<c>os:timestamp/0</c></seealso>.</p>
<p>Returns <c>{<anno>Time</anno>, <anno>Value</anno>}</c>, where
<c><anno>Time</anno></c> is the elapsed real time in
diff --git a/lib/stdlib/doc/src/uri_string.xml b/lib/stdlib/doc/src/uri_string.xml
index 21f470e763..88d4600611 100644
--- a/lib/stdlib/doc/src/uri_string.xml
+++ b/lib/stdlib/doc/src/uri_string.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2017</year><year>2017</year>
+ <year>2017</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -24,7 +24,7 @@
<title>uri_string</title>
<prepared>Péter Dimitrov</prepared>
<docno>1</docno>
- <date>2017-10-24</date>
+ <date>2018-02-07</date>
<rev>A</rev>
</header>
<module>uri_string</module>
@@ -32,7 +32,11 @@
<description>
<p>This module contains functions for parsing and handling URIs
(<url href="https://www.ietf.org/rfc/rfc3986.txt">RFC 3986</url>) and
- form-urlencoded query strings (<url href="https://www.w3.org/TR/html5/forms.html">HTML5</url>).
+ form-urlencoded query strings (<url href="https://www.w3.org/TR/html52/">HTML 5.2</url>).
+ </p>
+ <p>
+ Parsing and serializing non-UTF-8 form-urlencoded query strings are also supported
+ (<url href="https://www.w3.org/TR/html50/">HTML 5.0</url>).
</p>
<p>A URI is an identifier consisting of a sequence of characters matching the syntax
rule named <em>URI</em> in <url href="https://www.ietf.org/rfc/rfc3986.txt">RFC 3986</url>.
@@ -70,7 +74,8 @@
<seealso marker="#transcode/2"><c>transcode/2</c></seealso>
</item>
<item>Transforming URIs into a normalized form<br></br>
- <seealso marker="#normalize/1"><c>normalize/1</c></seealso>
+ <seealso marker="#normalize/1"><c>normalize/1</c></seealso><br></br>
+ <seealso marker="#normalize/2"><c>normalize/2</c></seealso>
</item>
<item>Composing form-urlencoded query strings from a list of key-value pairs<br></br>
<seealso marker="#compose_query/1"><c>compose_query/1</c></seealso><br></br>
@@ -151,8 +156,10 @@
<p>Composes a form-urlencoded <c><anno>QueryString</anno></c> based on a
<c><anno>QueryList</anno></c>, a list of non-percent-encoded key-value pairs.
Form-urlencoding is defined in section
- 4.10.22.6 of the <url href="https://www.w3.org/TR/html5/forms.html">HTML5</url>
- specification.
+ 4.10.21.6 of the <url href="https://www.w3.org/TR/html52/">HTML 5.2</url>
+ specification and in section 4.10.22.6 of the
+ <url href="https://www.w3.org/TR/html50/">HTML 5.0</url> specification for
+ non-UTF-8 encodings.
</p>
<p>See also the opposite operation <seealso marker="#dissect_query/1">
<c>dissect_query/1</c></seealso>.
@@ -209,12 +216,11 @@
<p>Dissects an urlencoded <c><anno>QueryString</anno></c> and returns a
<c><anno>QueryList</anno></c>, a list of non-percent-encoded key-value pairs.
Form-urlencoding is defined in section
- 4.10.22.6 of the <url href="https://www.w3.org/TR/html5/forms.html">HTML5</url>
- specification.
+ 4.10.21.6 of the <url href="https://www.w3.org/TR/html52/">HTML 5.2</url>
+ specification and in section 4.10.22.6 of the
+ <url href="https://www.w3.org/TR/html50/">HTML 5.0</url> specification for
+ non-UTF-8 encodings.
</p>
- <p>It is not as strict for its input as the decoding algorithm defined by
- <url href="https://www.w3.org/TR/html5/forms.html">HTML5</url>
- and accepts all unicode characters.</p>
<p>See also the opposite operation <seealso marker="#compose_query/1">
<c>compose_query/1</c></seealso>.
</p>
@@ -233,7 +239,7 @@
<name name="normalize" arity="1"/>
<fsummary>Syntax-based normalization.</fsummary>
<desc>
- <p>Transforms <c><anno>URIString</anno></c> into a normalized form
+ <p>Transforms an <c><anno>URI</anno></c> into a normalized form
using Syntax-Based Normalization as defined by
<url href="https://www.ietf.org/rfc/rfc3986.txt">RFC 3986</url>.</p>
<p>This function implements case normalization, percent-encoding
@@ -247,6 +253,33 @@
<![CDATA[<<"mid/6">>]]>
3> uri_string:normalize("http://localhost:80").
"https://localhost/"
+4> <input>uri_string:normalize(#{scheme => "http",port => 80,path => "/a/b/c/./../../g",</input>
+4> host => "localhost-örebro"}).
+"http://localhost-%C3%B6rebro/a/g"
+ </pre>
+ </desc>
+ </func>
+
+ <func>
+ <name name="normalize" arity="2"/>
+ <fsummary>Syntax-based normalization.</fsummary>
+ <desc>
+ <p>Same as <c>normalize/1</c> but with an additional
+ <c><anno>Options</anno></c> parameter, that controls if the normalized URI
+ shall be returned as an uri_map().
+ There is one supported option: <c>return_map</c>.
+ </p>
+ <p><em>Example:</em></p>
+ <pre>
+1> <input>uri_string:normalize("/a/b/c/./../../g", [return_map]).</input>
+#{path => "/a/g"}
+2> <![CDATA[uri_string:normalize(<<"mid/content=5/../6">>, [return_map]).]]>
+<![CDATA[#{path => <<"mid/6">>}]]>
+3> uri_string:normalize("http://localhost:80", [return_map]).
+#{scheme => "http",path => "/",host => "localhost"}
+4> <input>uri_string:normalize(#{scheme => "http",port => 80,path => "/a/b/c/./../../g",</input>
+4> host => "localhost-örebro"}, [return_map]).
+#{scheme => "http",path => "/a/g",host => "localhost-örebro"}
</pre>
</desc>
</func>
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index 06c15fceda..24349c74e8 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -148,7 +148,8 @@ chunks(File, Chunks, Options) ->
try read_chunk_data(File, Chunks, Options)
catch Error -> Error end.
--spec all_chunks(beam()) -> {'ok', 'beam_lib', [{chunkid(), dataB()}]}.
+-spec all_chunks(beam()) ->
+ {'ok', 'beam_lib', [{chunkid(), dataB()}]} | {'error', 'beam_lib', info_rsn()}.
all_chunks(File) ->
read_all_chunks(File).
diff --git a/lib/stdlib/src/binary.erl b/lib/stdlib/src/binary.erl
index 6a64133b45..7d0e42489e 100644
--- a/lib/stdlib/src/binary.erl
+++ b/lib/stdlib/src/binary.erl
@@ -47,23 +47,39 @@ at(_, _) ->
-spec bin_to_list(Subject) -> [byte()] when
Subject :: binary().
-bin_to_list(_) ->
- erlang:nif_error(undef).
+bin_to_list(Subject) ->
+ binary_to_list(Subject).
-spec bin_to_list(Subject, PosLen) -> [byte()] when
Subject :: binary(),
PosLen :: part().
-bin_to_list(_, _) ->
- erlang:nif_error(undef).
+bin_to_list(Subject, {Pos, Len}) ->
+ bin_to_list(Subject, Pos, Len);
+bin_to_list(_Subject, _BadArg) ->
+ erlang:error(badarg).
-spec bin_to_list(Subject, Pos, Len) -> [byte()] when
Subject :: binary(),
Pos :: non_neg_integer(),
Len :: integer().
-bin_to_list(_, _, _) ->
- erlang:nif_error(undef).
+bin_to_list(Subject, Pos, Len) when not is_binary(Subject);
+ not is_integer(Pos);
+ not is_integer(Len) ->
+ %% binary_to_list/3 allows bitstrings as long as the slice fits, and we
+ %% want to badarg when Pos/Len aren't integers instead of raising badarith
+ %% when adjusting args for binary_to_list/3.
+ erlang:error(badarg);
+bin_to_list(Subject, Pos, 0) when Pos >= 0, Pos =< byte_size(Subject) ->
+ %% binary_to_list/3 doesn't handle this case.
+ [];
+bin_to_list(_Subject, _Pos, 0) ->
+ erlang:error(badarg);
+bin_to_list(Subject, Pos, Len) when Len < 0 ->
+ bin_to_list(Subject, Pos + Len, -Len);
+bin_to_list(Subject, Pos, Len) when Len > 0 ->
+ binary_to_list(Subject, Pos + 1, Pos + Len).
-spec compile_pattern(Pattern) -> cp() when
Pattern :: binary() | [binary()].
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 00e6a10d8a..77cc88eb08 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -1197,21 +1197,21 @@ skip_else(_Else, From, St, Sis) ->
%% macro_expansion(Tokens, Anno)
%% Extract the macro parameters and the expansion from a macro definition.
-macro_pars([{')',_Lp}, {',',Ld}|Ex], Args) ->
- {ok, {lists:reverse(Args), macro_expansion(Ex, Ld)}};
-macro_pars([{var,_,Name}, {')',_Lp}, {',',Ld}|Ex], Args) ->
+macro_pars([{')',_Lp}, {',',_Ld}=Comma|Ex], Args) ->
+ {ok, {lists:reverse(Args), macro_expansion(Ex, Comma)}};
+macro_pars([{var,_,Name}, {')',_Lp}, {',',_Ld}=Comma|Ex], Args) ->
false = lists:member(Name, Args), %Prolog is nice
- {ok, {lists:reverse([Name|Args]), macro_expansion(Ex, Ld)}};
+ {ok, {lists:reverse([Name|Args]), macro_expansion(Ex, Comma)}};
macro_pars([{var,_L,Name}, {',',_}|Ts], Args) ->
false = lists:member(Name, Args),
macro_pars(Ts, [Name|Args]).
-macro_expansion([{')',_Lp},{dot,_Ld}], _Anno0) -> [];
-macro_expansion([{dot,_}=Dot], _Anno0) ->
+macro_expansion([{')',_Lp},{dot,_Ld}], _T0) -> [];
+macro_expansion([{dot,_}=Dot], _T0) ->
throw({error,loc(Dot),missing_parenthesis});
-macro_expansion([T|Ts], _Anno0) ->
+macro_expansion([T|Ts], _T0) ->
[T|macro_expansion(Ts, T)];
-macro_expansion([], Anno0) -> throw({error,loc(Anno0),premature_end}).
+macro_expansion([], T0) -> throw({error,loc(T0),premature_end}).
%% expand_macros(Tokens, St)
%% expand_macro(Tokens, MacroToken, RestTokens)
diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl
index 039ab45868..6a559f0be5 100644
--- a/lib/stdlib/src/ets.erl
+++ b/lib/stdlib/src/ets.erl
@@ -73,7 +73,8 @@
select_count/2, select_delete/2, select_replace/2, select_reverse/1,
select_reverse/2, select_reverse/3, setopts/2, slot/2,
take/2,
- update_counter/3, update_counter/4, update_element/3]).
+ update_counter/3, update_counter/4, update_element/3,
+ whereis/1]).
%% internal exports
-export([internal_request_all/0]).
@@ -145,6 +146,7 @@ give_away(_, _, _) ->
InfoList :: [InfoTuple],
InfoTuple :: {compressed, boolean()}
| {heir, pid() | none}
+ | {id, tid()}
| {keypos, pos_integer()}
| {memory, non_neg_integer()}
| {name, atom()}
@@ -162,7 +164,7 @@ info(_) ->
-spec info(Tab, Item) -> Value | undefined when
Tab :: tab(),
- Item :: compressed | fixed | heir | keypos | memory
+ Item :: compressed | fixed | heir | id | keypos | memory
| name | named_table | node | owner | protection
| safe_fixed | safe_fixed_monotonic_time | size | stats | type
| write_concurrency | read_concurrency,
@@ -512,6 +514,11 @@ update_counter(_, _, _, _) ->
update_element(_, _, _) ->
erlang:nif_error(undef).
+-spec whereis(TableName) -> tid() | undefined when
+ TableName :: atom().
+whereis(_) ->
+ erlang:nif_error(undef).
+
%%% End of BIFs
-opaque comp_match_spec() :: reference().
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index cacd9f2524..e37c13093b 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -931,7 +931,7 @@ limit_term(Term, Depth) ->
limit(_, 0) -> '...';
limit([H|T]=L, D) ->
if
- D =:= 1 -> '...';
+ D =:= 1 -> ['...'];
true ->
case printable_list(L) of
true -> L;
@@ -944,7 +944,7 @@ limit(Term, D) when is_map(Term) ->
limit({}=T, _D) -> T;
limit(T, D) when is_tuple(T) ->
if
- D =:= 1 -> '...';
+ D =:= 1 -> {'...'};
true ->
list_to_tuple([limit(element(1, T), D-1)|
limit_tail(tl(tuple_to_list(T)), D-1)])
@@ -961,32 +961,29 @@ limit_tail(Other, D) ->
%% Cannot limit maps properly since there is no guarantee that
%% maps:from_list() creates a map with the same internal ordering of
-%% the selected associations as in Map.
+%% the selected associations as in Map. Instead of subtracting one
+%% from the depth as the map associations are traversed (as is done
+%% for tuples and lists), the same depth is applied to each and every
+%% (returned) association.
limit_map(Map, D) ->
- limit_map(maps:iterator(Map), D, []).
+ %% Keep one extra association to make sure the final ',...' is included.
+ limit_map_body(maps:iterator(Map), D + 1, D, []).
-limit_map(_I, 0, Acc) ->
+limit_map_body(_I, 0, _D0, Acc) ->
maps:from_list(Acc);
-limit_map(I, D, Acc) ->
+limit_map_body(I, D, D0, Acc) ->
case maps:next(I) of
{K, V, NextI} ->
- limit_map(NextI, D-1, [{K,V} | Acc]);
+ limit_map_body(NextI, D-1, D0, [limit_map_assoc(K, V, D0) | Acc]);
none ->
maps:from_list(Acc)
end.
-%% maps:from_list(limit_map_body(erts_internal:maps_to_list(Map, D), D)).
+limit_map_assoc(K, V, D) ->
+ %% Keep keys as are to avoid creating duplicated keys.
+ {K, limit(V, D - 1)}.
-%% limit_map_body(_, 0) -> [{'...', '...'}];
-%% limit_map_body([], _) -> [];
-%% limit_map_body([{K,V}], D) -> [limit_map_assoc(K, V, D)];
-%% limit_map_body([{K,V}|KVs], D) ->
-%% [limit_map_assoc(K, V, D) | limit_map_body(KVs, D-1)].
-
-%% limit_map_assoc(K, V, D) ->
-%% {limit(K, D-1), limit(V, D-1)}.
-
-limit_bitstring(B, _D) -> B. %% Keeps all printable binaries.
+limit_bitstring(B, _D) -> B. % Keeps all printable binaries.
test_limit(_, 0) -> throw(limit);
test_limit([H|T]=L, D) when is_integer(D) ->
@@ -1022,18 +1019,21 @@ test_limit_tuple(T, I, Sz, D) ->
test_limit(element(I, T), D-1),
test_limit_tuple(T, I+1, Sz, D-1).
-test_limit_map(_Map, _D) -> ok.
-%% test_limit_map_body(erts_internal:maps_to_list(Map, D), D).
+test_limit_map(Map, D) ->
+ test_limit_map_body(maps:iterator(Map), D).
-%% test_limit_map_body(_, 0) -> throw(limit);
-%% test_limit_map_body([], _) -> ok;
-%% test_limit_map_body([{K,V}], D) -> test_limit_map_assoc(K, V, D);
-%% test_limit_map_body([{K,V}|KVs], D) ->
-%% test_limit_map_assoc(K, V, D),
-%% test_limit_map_body(KVs, D-1).
+test_limit_map_body(_I, 0) -> throw(limit); % cannot happen
+test_limit_map_body(I, D) ->
+ case maps:next(I) of
+ {K, V, NextI} ->
+ test_limit_map_assoc(K, V, D),
+ test_limit_map_body(NextI, D-1);
+ none ->
+ ok
+ end.
-%% test_limit_map_assoc(K, V, D) ->
-%% test_limit(K, D-1),
-%% test_limit(V, D-1).
+test_limit_map_assoc(K, V, D) ->
+ test_limit(K, D - 1),
+ test_limit(V, D - 1).
test_limit_bitstring(_, _) -> ok.
diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl
index e345810ca0..2ef4e517d8 100644
--- a/lib/stdlib/src/io_lib_format.erl
+++ b/lib/stdlib/src/io_lib_format.erl
@@ -95,7 +95,7 @@ print([]) ->
[].
print(C, F, Ad, P, Pad, Encoding, Strings) ->
- [$~] ++ print_field_width(F, Ad) ++ print_precision(P) ++
+ [$~] ++ print_field_width(F, Ad) ++ print_precision(P, Pad) ++
print_pad_char(Pad) ++ print_encoding(Encoding) ++
print_strings(Strings) ++ [C].
@@ -103,8 +103,9 @@ print_field_width(none, _Ad) -> "";
print_field_width(F, left) -> integer_to_list(-F);
print_field_width(F, right) -> integer_to_list(F).
-print_precision(none) -> "";
-print_precision(P) -> [$. | integer_to_list(P)].
+print_precision(none, $\s) -> "";
+print_precision(none, _Pad) -> "."; % pad must be second dot
+print_precision(P, _Pad) -> [$. | integer_to_list(P)].
print_pad_char($\s) -> ""; % default, no need to make explicit
print_pad_char(Pad) -> [$., Pad].
diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl
index e01bb7d85e..4e89819e41 100644
--- a/lib/stdlib/src/string.erl
+++ b/lib/stdlib/src/string.erl
@@ -420,10 +420,12 @@ to_number(_, Number, Rest, _, Tail) ->
%% Return the remaining string with prefix removed or else nomatch
-spec prefix(String::unicode:chardata(), Prefix::unicode:chardata()) ->
'nomatch' | unicode:chardata().
-prefix(Str, []) -> Str;
prefix(Str, Prefix0) ->
- Prefix = unicode:characters_to_list(Prefix0),
- case prefix_1(Str, Prefix) of
+ Result = case unicode:characters_to_list(Prefix0) of
+ [] -> Str;
+ Prefix -> prefix_1(Str, Prefix)
+ end,
+ case Result of
[] when is_binary(Str) -> <<>>;
Res -> Res
end.
diff --git a/lib/stdlib/src/uri_string.erl b/lib/stdlib/src/uri_string.erl
index a84679c595..28d36ea229 100644
--- a/lib/stdlib/src/uri_string.erl
+++ b/lib/stdlib/src/uri_string.erl
@@ -227,7 +227,7 @@
%% External API
%%-------------------------------------------------------------------------
-export([compose_query/1, compose_query/2,
- dissect_query/1, normalize/1, parse/1,
+ dissect_query/1, normalize/1, normalize/2, parse/1,
recompose/1, transcode/2]).
-export_type([error/0, uri_map/0, uri_string/0]).
@@ -292,18 +292,36 @@
%%-------------------------------------------------------------------------
%% Normalize URIs
%%-------------------------------------------------------------------------
--spec normalize(URIString) -> NormalizedURI when
- URIString :: uri_string(),
- NormalizedURI :: uri_string().
-normalize(URIString) ->
- %% Percent-encoding normalization and case normalization for
- %% percent-encoded triplets are achieved by running parse and
- %% recompose on the input URI string.
- recompose(
- normalize_path_segment(
- normalize_scheme_based(
- normalize_case(
- parse(URIString))))).
+-spec normalize(URI) -> NormalizedURI when
+ URI :: uri_string() | uri_map(),
+ NormalizedURI :: uri_string()
+ | error().
+normalize(URIMap) ->
+ normalize(URIMap, []).
+
+
+-spec normalize(URI, Options) -> NormalizedURI when
+ URI :: uri_string() | uri_map(),
+ Options :: [return_map],
+ NormalizedURI :: uri_string() | uri_map().
+normalize(URIMap, []) when is_map(URIMap) ->
+ recompose(normalize_map(URIMap));
+normalize(URIMap, [return_map]) when is_map(URIMap) ->
+ normalize_map(URIMap);
+normalize(URIString, []) ->
+ case parse(URIString) of
+ Value when is_map(Value) ->
+ recompose(normalize_map(Value));
+ Error ->
+ Error
+ end;
+normalize(URIString, [return_map]) ->
+ case parse(URIString) of
+ Value when is_map(Value) ->
+ normalize_map(Value);
+ Error ->
+ Error
+ end.
%%-------------------------------------------------------------------------
@@ -385,7 +403,8 @@ transcode(URIString, Options) when is_list(URIString) ->
%%-------------------------------------------------------------------------
%% Functions for working with the query part of a URI as a list
%% of key/value pairs.
-%% HTML5 - 4.10.22.6 URL-encoded form data
+%% HTML 5.2 - 4.10.21.6 URL-encoded form data - WHATWG URL (10 Jan 2018) - UTF-8
+%% HTML 5.0 - 4.10.22.6 URL-encoded form data - non UTF-8
%%-------------------------------------------------------------------------
%%-------------------------------------------------------------------------
@@ -393,7 +412,7 @@ transcode(URIString, Options) when is_list(URIString) ->
%% (application/x-www-form-urlencoded encoding algorithm)
%%-------------------------------------------------------------------------
-spec compose_query(QueryList) -> QueryString when
- QueryList :: [{uri_string(), uri_string()}],
+ QueryList :: [{unicode:chardata(), unicode:chardata()}],
QueryString :: uri_string()
| error().
compose_query(List) ->
@@ -401,7 +420,7 @@ compose_query(List) ->
-spec compose_query(QueryList, Options) -> QueryString when
- QueryList :: [{uri_string(), uri_string()}],
+ QueryList :: [{unicode:chardata(), unicode:chardata()}],
Options :: [{encoding, atom()}],
QueryString :: uri_string()
| error().
@@ -432,7 +451,7 @@ compose_query([], _Options, IsList, Acc) ->
%%-------------------------------------------------------------------------
-spec dissect_query(QueryString) -> QueryList when
QueryString :: uri_string(),
- QueryList :: [{uri_string(), uri_string()}]
+ QueryList :: [{unicode:chardata(), unicode:chardata()}]
| error().
dissect_query(<<>>) ->
[];
@@ -1755,7 +1774,8 @@ get_separator(_L) ->
<<"&">>.
-%% HTML5 - 4.10.22.6 URL-encoded form data - encoding
+%% HTML 5.2 - 4.10.21.6 URL-encoded form data - WHATWG URL (10 Jan 2018) - UTF-8
+%% HTML 5.0 - 4.10.22.6 URL-encoded form data - encoding (non UTF-8)
form_urlencode(Cs, [{encoding, latin1}]) when is_list(Cs) ->
B = convert_to_binary(Cs, utf8, utf8),
html5_byte_encode(base10_encode(B));
@@ -1850,7 +1870,8 @@ dissect_query_value(<<>>, IsList, Acc, Key, Value) ->
lists:reverse([{K,V}|Acc]).
-%% Form-urldecode input based on RFC 1866 [8.2.1]
+%% HTML 5.2 - 4.10.21.6 URL-encoded form data - WHATWG URL (10 Jan 2018) - UTF-8
+%% HTML 5.0 - 4.10.22.6 URL-encoded form data - decoding (non UTF-8)
form_urldecode(true, B) ->
Result = base10_decode(form_urldecode(B, <<>>)),
convert_to_list(Result, utf8);
@@ -1903,6 +1924,12 @@ base10_decode_unicode(<<H,_/binary>>, _, _) ->
%% Helper functions for normalize
%%-------------------------------------------------------------------------
+normalize_map(URIMap) ->
+ normalize_path_segment(
+ normalize_scheme_based(
+ normalize_case(URIMap))).
+
+
%% 6.2.2.1. Case Normalization
normalize_case(#{scheme := Scheme, host := Host} = Map) ->
Map#{scheme => to_lower(Scheme),
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index 07c8b60cbd..8b651f4b43 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -78,6 +78,7 @@
-export([ets_all/1]).
-export([massive_ets_all/1]).
-export([take/1]).
+-export([whereis_table/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
%% Convenience for manual testing
@@ -137,7 +138,8 @@ all() ->
otp_9423,
ets_all,
massive_ets_all,
- take].
+ take,
+ whereis_table].
groups() ->
[{new, [],
@@ -4099,6 +4101,7 @@ info_do(Opts) ->
{value, {keypos, 2}} = lists:keysearch(keypos, 1, Res),
{value, {protection, protected}} =
lists:keysearch(protection, 1, Res),
+ {value, {id, Tab}} = lists:keysearch(id, 1, Res),
true = ets:delete(Tab),
undefined = ets:info(non_existing_table_xxyy),
undefined = ets:info(non_existing_table_xxyy,type),
@@ -5892,6 +5895,36 @@ take(Config) when is_list(Config) ->
ets:delete(T3),
ok.
+whereis_table(Config) when is_list(Config) ->
+ %% Do we return 'undefined' when the named table doesn't exist?
+ undefined = ets:whereis(whereis_test),
+
+ %% Does the tid() refer to the same table as the name?
+ whereis_test = ets:new(whereis_test, [named_table]),
+ Tid = ets:whereis(whereis_test),
+
+ ets:insert(whereis_test, [{hello}, {there}]),
+
+ [[{hello}],[{there}]] = ets:match(whereis_test, '$1'),
+ [[{hello}],[{there}]] = ets:match(Tid, '$1'),
+
+ true = ets:delete_all_objects(Tid),
+
+ [] = ets:match(whereis_test, '$1'),
+ [] = ets:match(Tid, '$1'),
+
+ %% Does the name disappear when deleted through the tid()?
+ true = ets:delete(Tid),
+ undefined = ets:info(whereis_test),
+ {'EXIT',{badarg, _}} = (catch ets:match(whereis_test, '$1')),
+
+ %% Is the old tid() broken when the table is re-created with the same
+ %% name?
+ whereis_test = ets:new(whereis_test, [named_table]),
+ [] = ets:match(whereis_test, '$1'),
+ {'EXIT',{badarg, _}} = (catch ets:match(Tid, '$1')),
+
+ ok.
%%
%% Utility functions:
@@ -6023,17 +6056,23 @@ etsmem() ->
end},
{Mem,AllTabs}.
-verify_etsmem({MemInfo,AllTabs}) ->
+
+verify_etsmem(MI) ->
wait_for_test_procs(),
+ verify_etsmem(MI, 1).
+
+verify_etsmem({MemInfo,AllTabs}, Try) ->
case etsmem() of
{MemInfo,_} ->
io:format("Ets mem info: ~p", [MemInfo]),
- case MemInfo of
- {ErlMem,EtsAlloc} when ErlMem == notsup; EtsAlloc == undefined ->
+ case {MemInfo, Try} of
+ {{ErlMem,EtsAlloc},_} when ErlMem == notsup; EtsAlloc == undefined ->
%% Use 'erl +Mea max' to do more complete memory leak testing.
{comment,"Incomplete or no mem leak testing"};
- _ ->
- ok
+ {_, 1} ->
+ ok;
+ _ ->
+ {comment, "Transient memory discrepancy"}
end;
{MemInfo2, AllTabs2} ->
@@ -6041,7 +6080,15 @@ verify_etsmem({MemInfo,AllTabs}) ->
io:format("Actual: ~p", [MemInfo2]),
io:format("Changed tables before: ~p\n",[AllTabs -- AllTabs2]),
io:format("Changed tables after: ~p\n", [AllTabs2 -- AllTabs]),
- ct:fail("Failed memory check")
+ case Try < 2 of
+ true ->
+ io:format("\nThis discrepancy could be caused by an "
+ "inconsistent memory \"snapshot\""
+ "\nTry again...\n", []),
+ verify_etsmem({MemInfo, AllTabs}, Try+1);
+ false ->
+ ct:fail("Failed memory check")
+ end
end.
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl
index 45363c0592..ac61e3753b 100644
--- a/lib/stdlib/test/io_SUITE.erl
+++ b/lib/stdlib/test/io_SUITE.erl
@@ -2005,6 +2005,7 @@ writes(N, F1) ->
format_string(_Config) ->
%% All but padding is tested by fmt/2.
+ "xxxxxxxsss" = fmt("~10..xs", ["sss"]),
"xxxxxxsssx" = fmt("~10.4.xs", ["sss"]),
"xxxxxxsssx" = fmt("~10.4.*s", [$x, "sss"]),
ok.
@@ -2384,19 +2385,36 @@ limit_term(_Config) ->
{_, 2} = limt({a,b,c,[d,e]}, 2),
{_, 2} = limt({a,b,c,[d,e]}, 3),
{_, 2} = limt({a,b,c,[d,e]}, 4),
+ T0 = [1|{a,b,c}],
+ {_, 2} = limt(T0, 2),
+ {_, 2} = limt(T0, 3),
+ {_, 2} = limt(T0, 4),
{_, 1} = limt(<<"foo">>, 18),
+ {_, 2} = limt({"",[1,2]}, 3),
+ {_, 2} = limt({"",{1,2}}, 3),
+ true = limt_pp({"123456789012345678901234567890",{1,2}}, 3),
ok = blimt(<<"123456789012345678901234567890">>),
+ true = limt_pp(<<"123456789012345678901234567890">>, 3),
+ {_, 2} = limt({<<"kljlkjsl">>,[1,2,3,4]}, 4),
{_, 1} = limt(<<7:3>>, 2),
{_, 1} = limt(<<7:21>>, 2),
{_, 1} = limt([], 2),
{_, 1} = limt({}, 2),
+ {_, 1} = limt({"", ""}, 4),
{_, 1} = limt(#{}, 2),
- {_, 1} = limt(#{[] => {}}, 2),
+ {_, 2} = limt(#{[] => {}}, 1),
+ {_, 2} = limt(#{[] => {}}, 2),
{_, 1} = limt(#{[] => {}}, 3),
T = #{[] => {},[a] => [b]},
- {_, 1} = limt(T, 2),
+ {_, 1} = limt(T, 0),
+ {_, 2} = limt(T, 1),
+ {_, 2} = limt(T, 2),
{_, 1} = limt(T, 3),
{_, 1} = limt(T, 4),
+ T2 = #{[] => {},{} => []},
+ {_, 2} = limt(T2, 1),
+ {_, 2} = limt(T2, 2),
+ {_, 1} = limt(T2, 3),
ok.
blimt(Binary) ->
@@ -2430,3 +2448,12 @@ limt(Term, Depth) when is_integer(Depth) ->
form(Term, Depth) ->
lists:flatten(io_lib:format("~W", [Term, Depth])).
+
+limt_pp(Term, Depth) when is_integer(Depth) ->
+ T1 = io_lib:limit_term(Term, Depth),
+ S = pp(Term, Depth),
+ S1 = pp(T1, Depth),
+ S1 =:= S.
+
+pp(Term, Depth) ->
+ lists:flatten(io_lib:format("~P", [Term, Depth])).
diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl
index 15ae4fa2d7..d753d929f5 100644
--- a/lib/stdlib/test/rand_SUITE.erl
+++ b/lib/stdlib/test/rand_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -52,7 +52,9 @@ all() ->
[seed, interval_int, interval_float,
api_eq,
reference,
- {group, basic_stats}, uniform_real_conv,
+ {group, basic_stats},
+ {group, distr_stats},
+ uniform_real_conv,
plugin, measure,
{group, reference_jump}
].
@@ -60,8 +62,9 @@ all() ->
groups() ->
[{basic_stats, [parallel],
[basic_stats_uniform_1, basic_stats_uniform_2,
- basic_stats_standard_normal,
- stats_standard_normal_box_muller,
+ basic_stats_standard_normal]},
+ {distr_stats, [parallel],
+ [stats_standard_normal_box_muller,
stats_standard_normal_box_muller_2,
stats_standard_normal]},
{reference_jump, [parallel],
@@ -70,6 +73,9 @@ groups() ->
group(basic_stats) ->
%% valgrind needs a lot of time
[{timetrap,{minutes,10}}];
+group(distr_stats) ->
+ %% valgrind needs a lot of time
+ [{timetrap,{minutes,10}}];
group(reference_jump) ->
%% valgrind needs a lot of time
[{timetrap,{minutes,10}}].
@@ -437,7 +443,7 @@ stats_standard_normal_box_muller(Config) when is_list(Config) ->
{Z, [S]}
end,
State = [rand:seed(exrop)],
- stats_standard_normal(NormalS, State)
+ stats_standard_normal(NormalS, State, 3)
catch error:_ ->
{skip, "math:erfc/1 not supported"}
end.
@@ -462,7 +468,7 @@ stats_standard_normal_box_muller_2(Config) when is_list(Config) ->
{Z, [S]}
end,
State = [rand:seed(exrop)],
- stats_standard_normal(NormalS, State)
+ stats_standard_normal(NormalS, State, 3)
catch error:_ ->
{skip, "math:erfc/1 not supported"}
end.
@@ -472,21 +478,21 @@ stats_standard_normal(Config) when is_list(Config) ->
try math:erfc(1.0) of
_ ->
stats_standard_normal(
- fun rand:normal_s/1, rand:seed_s(exrop))
+ fun rand:normal_s/1, rand:seed_s(exrop), 3)
catch error:_ ->
{skip, "math:erfc/1 not supported"}
end.
%%
-stats_standard_normal(Fun, S) ->
+stats_standard_normal(Fun, S, Retries) ->
%%%
%%% ct config:
-%%% {rand_SUITE, [{stats_standard_normal,[{seconds, 8}, {std_devs, 4.2}]}]}.
+%%% {rand_SUITE, [{stats_standard_normal,[{seconds, 8}, {std_devs, 4.0}]}]}.
%%%
Seconds = ct:get_config({?MODULE, ?FUNCTION_NAME, seconds}, 8),
StdDevs =
ct:get_config(
{?MODULE, ?FUNCTION_NAME, std_devs},
- 4.2), % probability erfc(4.2/sqrt(2)) (1/37465) to fail a bucket
+ 4.0), % probability erfc(4.0/sqrt(2)) (1/15787) to fail a bucket
%%%
ct:timetrap({seconds, Seconds + 120}),
%% Buckets is chosen to get a range where the the probability to land
@@ -505,11 +511,11 @@ stats_standard_normal(Fun, S) ->
P0 = math:erf(1 / W),
Rounds = TargetHits * ceil(1.0 / P0),
Histogram = array:new({default, 0}),
- StopTime = erlang:monotonic_time(second) + Seconds,
ct:pal(
"Running standard normal test against ~w std devs for ~w seconds...",
[StdDevs, Seconds]),
- {PositiveHistogram, NegativeHistogram, Outlier, TotalRounds} =
+ StopTime = erlang:monotonic_time(second) + Seconds,
+ {PositiveHistogram, NegativeHistogram, Outlier, TotalRounds, NewS} =
stats_standard_normal(
InvDelta, Buckets, Histogram, Histogram, 0.0,
Fun, S, Rounds, StopTime, Rounds, 0),
@@ -522,16 +528,33 @@ stats_standard_normal(Fun, S) ->
"Total rounds: ~w, tolerance: 1/~.2f..1/~.2f, "
"outlier: ~.2f, probability 1/~.2f.",
[TotalRounds, Precision, TopPrecision, Outlier, InvOP]),
- {TotalRounds, [], []} =
- {TotalRounds,
+ case
+ {bucket_error, TotalRounds,
check_histogram(
W, TotalRounds, StdDevs, PositiveHistogram, Buckets),
check_histogram(
- W, TotalRounds, StdDevs, NegativeHistogram, Buckets)},
- %% If the probability for getting this Outlier is lower than 1/50,
- %% then this is fishy!
- true = (1/50 =< OutlierProbability),
- {comment, {tp, TopPrecision, op, InvOP}}.
+ W, TotalRounds, StdDevs, NegativeHistogram, Buckets)}
+ of
+ {_, _, [], []} when InvOP < 100 ->
+ {comment, {tp, TopPrecision, op, InvOP}};
+ {_, _, [], []} ->
+ %% If the probability for getting this Outlier is lower than
+ %% 1/100, then this is fishy!
+ stats_standard_normal(
+ Fun, NewS, Retries, {outlier_fishy, InvOP});
+ BucketErrors ->
+ stats_standard_normal(
+ Fun, NewS, Retries, BucketErrors)
+ end.
+%%
+stats_standard_normal(Fun, S, Retries, Failure) ->
+ case Retries - 1 of
+ 0 ->
+ ct:fail(Failure);
+ NewRetries ->
+ ct:pal("Retry due to TC glitch: ~p", [Failure]),
+ stats_standard_normal(Fun, S, NewRetries)
+ end.
%%
stats_standard_normal(
InvDelta, Buckets, PositiveHistogram, NegativeHistogram, Outlier,
@@ -544,7 +567,7 @@ stats_standard_normal(
Fun, S, Rounds, StopTime, Rounds, TotalRounds + Rounds);
_ ->
{PositiveHistogram, NegativeHistogram,
- Outlier, TotalRounds + Rounds}
+ Outlier, TotalRounds + Rounds, S}
end;
stats_standard_normal(
InvDelta, Buckets, PositiveHistogram, NegativeHistogram, Outlier,
@@ -571,9 +594,6 @@ increment_bucket(Bucket, Array) ->
array:set(Bucket, array:get(Bucket, Array) + 1, Array).
check_histogram(W, Rounds, StdDevs, Histogram, Buckets) ->
- %%PrevBucket = 512,
- %%Bucket = PrevBucket - 1,
- %%P = 0.5 * math:erfc(PrevBucket / W),
TargetP = 0.5 * math:erfc(Buckets / W),
P = 0.0,
N = 0,
@@ -592,7 +612,7 @@ check_histogram(
P = 0.5 * math:erfc(Bucket / W),
BucketP = P - PrevP,
if
- TargetP =< BucketP ->
+ BucketP < TargetP ->
check_histogram(
W, Rounds, StdDevs, Histogram, TargetP,
Bucket - 1, PrevBucket, PrevP, N);
@@ -604,7 +624,7 @@ check_histogram(
UpperLimit = ceil(Exp + Threshold),
if
N < LowerLimit; UpperLimit < N ->
- [#{bucket => {Bucket, PrevBucket}, n => N, exp => Exp,
+ [#{bucket => {Bucket, PrevBucket}, n => N,
lower => LowerLimit, upper => UpperLimit} |
check_histogram(
W, Rounds, StdDevs, Histogram, TargetP,
diff --git a/lib/stdlib/test/re_SUITE.erl b/lib/stdlib/test/re_SUITE.erl
index 71f86e32e5..7b82647416 100644
--- a/lib/stdlib/test/re_SUITE.erl
+++ b/lib/stdlib/test/re_SUITE.erl
@@ -894,10 +894,13 @@ match_limit(Config) when is_list(Config) ->
%% Test that we get sub-binaries if subject is a binary and we capture
%% binaries.
sub_binaries(Config) when is_list(Config) ->
- Bin = list_to_binary(lists:seq(1,255)),
- {match,[B,C]}=re:run(Bin,"(a)",[{capture,all,binary}]),
- 255 = binary:referenced_byte_size(B),
- 255 = binary:referenced_byte_size(C),
- {match,[D]}=re:run(Bin,"(a)",[{capture,[1],binary}]),
- 255 = binary:referenced_byte_size(D),
+ %% The GC can auto-convert tiny sub-binaries to heap binaries, so we
+ %% extract large sequences to make the test more stable.
+ Bin = << <<I>> || I <- lists:seq(1, 4096) >>,
+ {match,[B,C]}=re:run(Bin,"a(.+)$",[{capture,all,binary}]),
+ true = byte_size(B) =/= byte_size(C),
+ 4096 = binary:referenced_byte_size(B),
+ 4096 = binary:referenced_byte_size(C),
+ {match,[D]}=re:run(Bin,"a(.+)$",[{capture,[1],binary}]),
+ 4096 = binary:referenced_byte_size(D),
ok.
diff --git a/lib/stdlib/test/string_SUITE.erl b/lib/stdlib/test/string_SUITE.erl
index c4a469c251..fdff2d24b8 100644
--- a/lib/stdlib/test/string_SUITE.erl
+++ b/lib/stdlib/test/string_SUITE.erl
@@ -486,6 +486,10 @@ to_float(_) ->
prefix(_) ->
?TEST("", ["a"], nomatch),
?TEST("a", [""], "a"),
+ ?TEST("a", [[[]]], "a"),
+ ?TEST("a", [<<>>], "a"),
+ ?TEST("a", [[<<>>]], "a"),
+ ?TEST("a", [[[<<>>]]], "a"),
?TEST("b", ["a"], nomatch),
?TEST("a", ["a"], ""),
?TEST("å", ["a"], nomatch),
diff --git a/lib/stdlib/test/uri_string_SUITE.erl b/lib/stdlib/test/uri_string_SUITE.erl
index fef356355c..92f8bb3292 100644
--- a/lib/stdlib/test/uri_string_SUITE.erl
+++ b/lib/stdlib/test/uri_string_SUITE.erl
@@ -22,7 +22,7 @@
-include_lib("common_test/include/ct.hrl").
-export([all/0, suite/0,groups/0,
- normalize/1,
+ normalize/1, normalize_map/1, normalize_return_map/1, normalize_negative/1,
parse_binary_fragment/1, parse_binary_host/1, parse_binary_host_ipv4/1,
parse_binary_host_ipv6/1,
parse_binary_path/1, parse_binary_pct_encoded_fragment/1, parse_binary_pct_encoded_query/1,
@@ -68,6 +68,9 @@ suite() ->
all() ->
[
normalize,
+ normalize_map,
+ normalize_return_map,
+ normalize_negative,
parse_binary_scheme,
parse_binary_userinfo,
parse_binary_pct_encoded_userinfo,
@@ -912,6 +915,56 @@ normalize(_Config) ->
<<"tftp://localhost">> =
uri_string:normalize(<<"tftp://localhost:69">>).
+normalize_map(_Config) ->
+ "/a/g" = uri_string:normalize(#{path => "/a/b/c/./../../g"}),
+ <<"mid/6">> = uri_string:normalize(#{path => <<"mid/content=5/../6">>}),
+ "http://localhost-%C3%B6rebro/a/g" =
+ uri_string:normalize(#{scheme => "http",port => 80,path => "/a/b/c/./../../g",
+ host => "localhost-örebro"}),
+ <<"http://localhost-%C3%B6rebro/a/g">> =
+ uri_string:normalize(#{scheme => <<"http">>,port => 80,
+ path => <<"/a/b/c/./../../g">>,
+ host => <<"localhost-örebro"/utf8>>}),
+ <<"https://localhost/">> =
+ uri_string:normalize(#{scheme => <<"https">>,port => 443,path => <<>>,
+ host => <<"localhost">>}),
+ <<"https://localhost:445/">> =
+ uri_string:normalize(#{scheme => <<"https">>,port => 445,path => <<>>,
+ host => <<"localhost">>}),
+ <<"ftp://localhost">> =
+ uri_string:normalize(#{scheme => <<"ftp">>,port => 21,path => <<>>,
+ host => <<"localhost">>}),
+ <<"ssh://localhost">> =
+ uri_string:normalize(#{scheme => <<"ssh">>,port => 22,path => <<>>,
+ host => <<"localhost">>}),
+ <<"sftp://localhost">> =
+ uri_string:normalize(#{scheme => <<"sftp">>,port => 22,path => <<>>,
+ host => <<"localhost">>}),
+ <<"tftp://localhost">> =
+ uri_string:normalize(#{scheme => <<"tftp">>,port => 69,path => <<>>,
+ host => <<"localhost">>}).
+
+normalize_return_map(_Config) ->
+ #{scheme := "http",path := "/a/g",host := "localhost-örebro"} =
+ uri_string:normalize("http://localhos%74-%c3%b6rebro:80/a/b/c/./../../g",
+ [return_map]),
+ #{scheme := <<"http">>,path := <<"/a/g">>, host := <<"localhost-örebro"/utf8>>} =
+ uri_string:normalize(<<"http://localhos%74-%c3%b6rebro:80/a/b/c/./../../g">>,
+ [return_map]),
+ #{scheme := <<"https">>,path := <<"/">>, host := <<"localhost">>} =
+ uri_string:normalize(#{scheme => <<"https">>,port => 443,path => <<>>,
+ host => <<"localhost">>}, [return_map]).
+
+normalize_negative(_Config) ->
+ {error,invalid_uri,":"} =
+ uri_string:normalize("http://local>host"),
+ {error,invalid_uri,":"} =
+ uri_string:normalize(<<"http://local>host">>),
+ {error,invalid_uri,":"} =
+ uri_string:normalize("http://[192.168.0.1]", [return_map]),
+ {error,invalid_uri,":"} =
+ uri_string:normalize(<<"http://[192.168.0.1]">>, [return_map]).
+
interop_query_utf8(_Config) ->
Q = uri_string:compose_query([{"foo bar","1"}, {"合", "2"}]),
Uri = uri_string:recompose(#{path => "/", query => Q}),
diff --git a/lib/tools/doc/src/lcnt.xml b/lib/tools/doc/src/lcnt.xml
index 5bdfc60448..0c24375b91 100644
--- a/lib/tools/doc/src/lcnt.xml
+++ b/lib/tools/doc/src/lcnt.xml
@@ -371,7 +371,7 @@
<v>Serial = integer()</v>
</type>
<desc>
- <p>Creates a process id with creation 0. Example:</p>
+ <p>Creates a process id with creation 0.</p>
</desc>
</func>
diff --git a/lib/tools/emacs/Makefile b/lib/tools/emacs/Makefile
index 35c93ba4ed..ea4d6cb723 100644
--- a/lib/tools/emacs/Makefile
+++ b/lib/tools/emacs/Makefile
@@ -54,8 +54,6 @@ EL_FILES = $(EMACS_FILES:%=%.el)
ELC_FILES = $(EMACS_FILES:%=%.elc)
-TEST_FILES = test.erl.indented test.erl.orig
-
# ----------------------------------------------------
# Targets
# ----------------------------------------------------
@@ -75,7 +73,7 @@ include $(ERL_TOP)/make/otp_release_targets.mk
release_spec: opt
$(INSTALL_DIR) "$(RELSYSDIR)/emacs"
- $(INSTALL_DATA) $(EL_FILES) $(README_FILES) $(TEST_FILES) \
+ $(INSTALL_DATA) $(EL_FILES) $(README_FILES) \
"$(RELSYSDIR)/emacs"
ifeq ($(DOCTYPE),pdf)
@@ -89,19 +87,3 @@ release_docs_spec: docs
$(INSTALL_DATA) $(MAN_FILES) "$(RELEASE_PATH)/man/man3"
endif
endif
-
-EMACS ?= emacs
-
-test_indentation:
- @rm -f test.erl
- @rm -f test_indent.el
- @echo '(load "erlang-start")' >> test_indent.el
- @echo '(find-file "test.erl.orig")' >> test_indent.el
- @echo "(require 'cl) ; required with Emacs < 23 for ignore-errors" >> test_indent.el
- @echo '(erlang-mode)' >> test_indent.el
- @echo '(toggle-debug-on-error)' >> test_indent.el
- @echo '(erlang-indent-current-buffer)' >> test_indent.el
- @echo '(write-file "test.erl")' >> test_indent.el
- $(EMACS) --batch -Q -L . -l test_indent.el
- diff -u test.erl.indented test.erl
- @echo "No differences between expected and actual indentation"
diff --git a/lib/tools/emacs/erlang-skels.el b/lib/tools/emacs/erlang-skels.el
index bdb3d9ad4a..534f50ab33 100644
--- a/lib/tools/emacs/erlang-skels.el
+++ b/lib/tools/emacs/erlang-skels.el
@@ -279,7 +279,8 @@ Please see the function `tempo-define-template'.")
'((erlang-skel-include erlang-skel-large-header)
"-behaviour(application)." n n
"%% Application callbacks" n
- "-export([start/2, stop/1])." n n
+ "-export([start/2, start_phase/3, stop/1, prep_stop/1," n>
+ "config_change/3])." n n
(erlang-skel-double-separator-start 3)
"%%% Application callbacks" n
(erlang-skel-double-separator-end 3) n
@@ -291,13 +292,14 @@ Please see the function `tempo-define-template'.")
"%% application. If the application is structured according to the OTP" n
"%% design principles as a supervision tree, this means starting the" n
"%% top supervisor of the tree." n
- "%%" n
- "%% @spec start(StartType, StartArgs) -> {ok, Pid} |" n
- "%% {ok, Pid, State} |" n
- "%% {error, Reason}" n
- "%% StartType = normal | {takeover, Node} | {failover, Node}" n
- "%% StartArgs = term()" n
(erlang-skel-separator-end 2)
+ "-spec start(StartType :: normal |" n>
+ "{takeover, Node :: node()} |" n>
+ "{failover, Node :: node()}," n>
+ "StartArgs :: term()) ->" n>
+ "{ok, Pid :: pid()} |" n>
+ "{ok, Pid :: pid(), State :: term()} |" n>
+ "{error, Reason :: term()}." n
"start(_StartType, _StartArgs) ->" n>
"case 'TopSupervisor':start_link() of" n>
"{ok, Pid} ->" n>
@@ -309,15 +311,52 @@ Please see the function `tempo-define-template'.")
(erlang-skel-separator-start 2)
"%% @private" n
"%% @doc" n
+ "%% top supervisor of the tree." n
+ "%% Starts an application with included applications, when" n
+ "%% synchronization is needed between processes in the different" n
+ "%% applications during startup."
+ (erlang-skel-separator-end 2)
+ "-spec start_phase(Phase :: atom()," n>
+ "StartType :: normal |" n>
+ "{takeover, Node :: node()} |" n>
+ "{failover, Node :: node()}," n>
+ "PhaseArgs :: term()) -> ok | {error, Reason :: term()}." n
+ "start_phase(_Phase, _StartType, _PhaseArgs) ->" n>
+ "ok."n
+ n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
"%% This function is called whenever an application has stopped. It" n
"%% is intended to be the opposite of Module:start/2 and should do" n
"%% any necessary cleaning up. The return value is ignored." n
- "%%" n
- "%% @spec stop(State) -> void()" n
(erlang-skel-separator-end 2)
+ "-spec stop(State :: term()) -> any()." n
"stop(_State) ->" n>
"ok." n
n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% This function is called when an application is about to be stopped," n
+ "%% before shutting down the processes of the application." n
+ (erlang-skel-separator-end 2)
+ "-spec prep_stop(State :: term()) -> NewState :: term()." n
+ "prep_stop(State) ->" n>
+ "State." n
+ n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% This function is called by an application after a code replacement," n
+ "%% if the configuration parameters have changed." n
+ (erlang-skel-separator-end 2)
+ "-spec config_change(Changed :: [{Par :: atom(), Val :: term()}]," n>
+ "New :: [{Par :: atom(), Val :: term()}]," n>
+ "Removed :: [Par :: atom()]) -> ok." n
+ "config_change(_Changed, _New, _Removed) ->" n>
+ "ok." n
+ n
(erlang-skel-double-separator-start 3)
"%%% Internal functions" n
(erlang-skel-double-separator-end 3)
@@ -343,9 +382,12 @@ Please see the function `tempo-define-template'.")
(erlang-skel-separator-start 2)
"%% @doc" n
"%% Starts the supervisor" n
- "%%" n
- "%% @spec start_link() -> {ok, Pid} | ignore | {error, Error}" n
(erlang-skel-separator-end 2)
+ "-spec start_link() -> {ok, Pid :: pid()} |" n>
+ "{error, {already_started, Pid :: pid()}} |" n>
+ "{error, {shutdown, term()}} |" n>
+ "{error, term()} |" n>
+ "ignore." n
"start_link() ->" n>
"supervisor:start_link({local, ?SERVER}, ?MODULE, [])." n
n
@@ -359,11 +401,11 @@ Please see the function `tempo-define-template'.")
"%% this function is called by the new process to find out about" n
"%% restart strategy, maximum restart intensity, and child" n
"%% specifications." n
- "%%" n
- "%% @spec init(Args) -> {ok, {SupFlags, [ChildSpec]}} |" n
- "%% ignore |" n
- "%% {error, Reason}" n
(erlang-skel-separator-end 2)
+ "-spec init(Args :: term()) ->" n>
+ "{ok, {SupFlags :: supervisor:sup_flags()," n>
+ "[ChildSpec :: supervisor:child_spec()]}} |" n>
+ "ignore." n
"init([]) ->" n
"" n>
"SupFlags = #{strategy => one_for_one," n>
@@ -406,9 +448,11 @@ Please see the function `tempo-define-template'.")
(erlang-skel-separator-start 2)
"%% @doc" n
"%% Starts the supervisor bridge" n
- "%%" n
- "%% @spec start_link() -> {ok, Pid} | ignore | {error, Error}" n
(erlang-skel-separator-end 2)
+ "-spec start_link() -> {ok, Pid :: pid()} |" n>
+ "{error, {already_started, Pid :: pid()}} |" n>
+ "{error, term()} |" n>
+ "ignore." n
"start_link() ->" n>
"supervisor_bridge:start_link({local, ?SERVER}, ?MODULE, [])." n
n
@@ -422,11 +466,10 @@ Please see the function `tempo-define-template'.")
"%% which calls Module:init/1 to start the subsystem. To ensure a" n
"%% synchronized start-up procedure, this function does not return" n
"%% until Module:init/1 has returned." n
- "%%" n
- "%% @spec init(Args) -> {ok, Pid, State} |" n
- "%% ignore |" n
- "%% {error, Reason}" n
(erlang-skel-separator-end 2)
+ "-spec init(Args :: term()) -> {ok, Pid :: pid(), State :: term()} |" n>
+ "{error, Error :: term()} |" n>
+ "ignore." n
"init([]) ->" n>
"case 'AModule':start_link() of" n>
"{ok, Pid} ->" n>
@@ -442,10 +485,9 @@ Please see the function `tempo-define-template'.")
"%% to terminate. It should be the opposite of Module:init/1 and stop" n
"%% the subsystem and do any necessary cleaning up.The return value is" n
"%% ignored." n
- "%%" n
- "%% @spec terminate(Reason, State) -> void()" n
(erlang-skel-separator-end 2)
- "terminate(Reason, State) ->" n>
+ "-spec terminate(Reason :: shutdown | term(), State :: term()) -> any()." n
+ "terminate(_Reason, _State) ->" n>
"'AModule':stop()," n>
"ok." n
n
@@ -464,9 +506,8 @@ Please see the function `tempo-define-template'.")
"-export([start_link/0])." n n
"%% gen_server callbacks" n
- "-export([init/1, handle_call/3, handle_cast/2, "
- "handle_info/2," n>
- "terminate/2, code_change/3])." n n
+ "-export([init/1, handle_call/3, handle_cast/2, handle_info/2," n>
+ "terminate/2, code_change/3, format_status/2])." n n
"-define(SERVER, ?MODULE)." n n
@@ -478,9 +519,11 @@ Please see the function `tempo-define-template'.")
(erlang-skel-separator-start 2)
"%% @doc" n
"%% Starts the server" n
- "%%" n
- "%% @spec start_link() -> {ok, Pid} | ignore | {error, Error}" n
(erlang-skel-separator-end 2)
+ "-spec start_link() -> {ok, Pid :: pid()} |" n>
+ "{error, Error :: {already_started, pid()}} |" n>
+ "{error, Error :: term()} |" n>
+ "ignore." n
"start_link() ->" n>
"gen_server:start_link({local, ?SERVER}, ?MODULE, [], [])." n
n
@@ -492,12 +535,12 @@ Please see the function `tempo-define-template'.")
"%% @private" n
"%% @doc" n
"%% Initializes the server" n
- "%%" n
- "%% @spec init(Args) -> {ok, State} |" n
- "%% {ok, State, Timeout} |" n
- "%% ignore |" n
- "%% {stop, Reason}" n
(erlang-skel-separator-end 2)
+ "-spec init(Args :: term()) -> {ok, State :: term()} |" n>
+ "{ok, State :: term(), Timeout :: timeout()} |" n>
+ "{ok, State :: term(), hibernate} |" n>
+ "{stop, Reason :: term()} |" n>
+ "ignore." n
"init([]) ->" n>
"process_flag(trap_exit, true)," n>
"{ok, #state{}}." n
@@ -506,15 +549,16 @@ Please see the function `tempo-define-template'.")
"%% @private" n
"%% @doc" n
"%% Handling call messages" n
- "%%" n
- "%% @spec handle_call(Request, From, State) ->" n
- "%% {reply, Reply, State} |" n
- "%% {reply, Reply, State, Timeout} |" n
- "%% {noreply, State} |" n
- "%% {noreply, State, Timeout} |" n
- "%% {stop, Reason, Reply, State} |" n
- "%% {stop, Reason, State}" n
(erlang-skel-separator-end 2)
+ "-spec handle_call(Request :: term(), From :: {pid(), term()}, State :: term()) ->" n>
+ "{reply, Reply :: term(), NewState :: term()} |" n>
+ "{reply, Reply :: term(), NewState :: term(), Timeout :: timeout()} |" n>
+ "{reply, Reply :: term(), NewState :: term(), hibernate} |" n>
+ "{noreply, NewState :: term()} |" n>
+ "{noreply, NewState :: term(), Timeout :: timeout()} |" n>
+ "{noreply, NewState :: term(), hibernate} |" n>
+ "{stop, Reason :: term(), Reply :: term(), NewState :: term()} |" n>
+ "{stop, Reason :: term(), NewState :: term()}." n
"handle_call(_Request, _From, State) ->" n>
"Reply = ok," n>
"{reply, Reply, State}." n
@@ -523,23 +567,25 @@ Please see the function `tempo-define-template'.")
"%% @private" n
"%% @doc" n
"%% Handling cast messages" n
- "%%" n
- "%% @spec handle_cast(Msg, State) -> {noreply, State} |" n
- "%% {noreply, State, Timeout} |" n
- "%% {stop, Reason, State}" n
(erlang-skel-separator-end 2)
- "handle_cast(_Msg, State) ->" n>
+ "-spec handle_cast(Request :: term(), State :: term()) ->" n>
+ "{noreply, NewState :: term()} |" n>
+ "{noreply, NewState :: term(), Timeout :: timeout()} |" n>
+ "{noreply, NewState :: term(), hibernate} |" n>
+ "{stop, Reason :: term(), NewState :: term()}." n
+ "handle_cast(_Request, State) ->" n>
"{noreply, State}." n
n
(erlang-skel-separator-start 2)
"%% @private" n
"%% @doc" n
"%% Handling all non call/cast messages" n
- "%%" n
- "%% @spec handle_info(Info, State) -> {noreply, State} |" n
- "%% {noreply, State, Timeout} |" n
- "%% {stop, Reason, State}" n
(erlang-skel-separator-end 2)
+ "-spec handle_info(Info :: timeout() | term(), State :: term()) ->" n>
+ "{noreply, NewState :: term()} |" n>
+ "{noreply, NewState :: term(), Timeout :: timeout()} |" n>
+ "{noreply, NewState :: term(), hibernate} |" n>
+ "{stop, Reason :: normal | term(), NewState :: term()}." n
"handle_info(_Info, State) ->" n>
"{noreply, State}." n
n
@@ -550,9 +596,9 @@ Please see the function `tempo-define-template'.")
"%% terminate. It should be the opposite of Module:init/1 and do any" n
"%% necessary cleaning up. When it returns, the gen_server terminates" n
"%% with Reason. The return value is ignored." n
- "%%" n
- "%% @spec terminate(Reason, State) -> void()" n
(erlang-skel-separator-end 2)
+ "-spec terminate(Reason :: normal | shutdown | {shutdown, term()} | term()," n>
+ "State :: term()) -> any()." n
"terminate(_Reason, _State) ->" n>
"ok." n
n
@@ -560,12 +606,26 @@ Please see the function `tempo-define-template'.")
"%% @private" n
"%% @doc" n
"%% Convert process state when code is changed" n
- "%%" n
- "%% @spec code_change(OldVsn, State, Extra) -> {ok, NewState}" n
(erlang-skel-separator-end 2)
+ "-spec code_change(OldVsn :: term() | {down, term()}," n>
+ "State :: term()," n>
+ "Extra :: term()) -> {ok, NewState :: term()} |" n>
+ "{error, Reason :: term()}." n
"code_change(_OldVsn, State, _Extra) ->" n>
"{ok, State}." n
n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% This function is called for changing the form and appearance" n
+ "%% of gen_server status when it is returned from sys:get_status/1,2" n
+ "%% or when it appears in termination error logs." n
+ (erlang-skel-separator-end 2)
+ "-spec format_status(Opt :: normal | terminate," n>
+ "Status :: list()) -> Status :: term()." n
+ "format_status(_Opt, Status) ->" n>
+ "Status." n
+ n
(erlang-skel-double-separator-start 3)
"%%% Internal functions" n
(erlang-skel-double-separator-end 3)
@@ -581,8 +641,8 @@ Please see the function `tempo-define-template'.")
"-export([start_link/0, add_handler/0])." n n
"%% gen_event callbacks" n
- "-export([init/1, handle_event/2, handle_call/2, " n>
- "handle_info/2, terminate/2, code_change/3])." n n
+ "-export([init/1, handle_event/2, handle_call/2, handle_info/2," n>
+ "terminate/2, code_change/3, format_status/2])." n n
"-define(SERVER, ?MODULE)." n n
@@ -594,18 +654,17 @@ Please see the function `tempo-define-template'.")
(erlang-skel-separator-start 2)
"%% @doc" n
"%% Creates an event manager" n
- "%%" n
- "%% @spec start_link() -> {ok, Pid} | {error, Error}" n
(erlang-skel-separator-end 2)
+ "-spec start_link() -> {ok, Pid :: pid()} |" n>
+ "{error, Error :: {already_started, pid()} | term()}." n
"start_link() ->" n>
"gen_event:start_link({local, ?SERVER})." n
n
(erlang-skel-separator-start 2)
"%% @doc" n
"%% Adds an event handler" n
- "%%" n
- "%% @spec add_handler() -> ok | {'EXIT', Reason} | term()" n
(erlang-skel-separator-end 2)
+ "-spec add_handler() -> ok | {'EXIT', Reason :: term()} | term()." n
"add_handler() ->" n>
"gen_event:add_handler(?SERVER, ?MODULE, [])." n
n
@@ -617,9 +676,11 @@ Please see the function `tempo-define-template'.")
"%% @doc" n
"%% Whenever a new event handler is added to an event manager," n
"%% this function is called to initialize the event handler." n
- "%%" n
- "%% @spec init(Args) -> {ok, State}" n
(erlang-skel-separator-end 2)
+ "-spec init(Args :: term() | {Args :: term(), Term :: term()}) ->" n>
+ "{ok, State :: term()} |" n>
+ "{ok, State :: term(), hibernate} |" n>
+ "{error, Reason :: term()}." n
"init([]) ->" n>
"{ok, #state{}}." n
n
@@ -629,12 +690,13 @@ Please see the function `tempo-define-template'.")
"%% Whenever an event manager receives an event sent using" n
"%% gen_event:notify/2 or gen_event:sync_notify/2, this function is" n
"%% called for each installed event handler to handle the event." n
- "%%" n
- "%% @spec handle_event(Event, State) ->" n
- "%% {ok, State} |" n
- "%% {swap_handler, Args1, State1, Mod2, Args2} |"n
- "%% remove_handler" n
(erlang-skel-separator-end 2)
+ "-spec handle_event(Event :: term(), State :: term()) ->" n>
+ "{ok, NewState :: term()} |" n>
+ "{ok, NewState :: term(), hibernate} |" n>
+ "remove_handler |" n>
+ "{swap_handler, Args1 :: term(), NewState :: term()," n>
+ "Handler2 :: atom() | {atom(), term()} , Args2 :: term()}." n>
"handle_event(_Event, State) ->" n>
"{ok, State}." n
n
@@ -644,12 +706,13 @@ Please see the function `tempo-define-template'.")
"%% Whenever an event manager receives a request sent using" n
"%% gen_event:call/3,4, this function is called for the specified" n
"%% event handler to handle the request." n
- "%%" n
- "%% @spec handle_call(Request, State) ->" n
- "%% {ok, Reply, State} |" n
- "%% {swap_handler, Reply, Args1, State1, Mod2, Args2} |" n
- "%% {remove_handler, Reply}" n
(erlang-skel-separator-end 2)
+ "-spec handle_call(Request :: term(), State :: term()) ->" n>
+ "{ok, Reply :: term(), NewState :: term()} |" n>
+ "{ok, Reply :: term(), NewState :: term(), hibernate} |" n>
+ "{remove_handler, Reply :: term()} |" n>
+ "{swap_handler, Reply :: term(), Args1 :: term(), NewState :: term()," n>
+ "Handler2 :: atom() | {atom(), term()}, Args2 :: term()}." n
"handle_call(_Request, State) ->" n>
"Reply = ok," n>
"{ok, Reply, State}." n
@@ -660,12 +723,13 @@ Please see the function `tempo-define-template'.")
"%% This function is called for each installed event handler when" n
"%% an event manager receives any other message than an event or a" n
"%% synchronous request (or a system message)." n
- "%%" n
- "%% @spec handle_info(Info, State) ->" n
- "%% {ok, State} |" n
- "%% {swap_handler, Args1, State1, Mod2, Args2} |" n
- "%% remove_handler" n
(erlang-skel-separator-end 2)
+ "-spec handle_info(Info :: term(), State :: term()) ->" n>
+ "{ok, NewState :: term()} |" n>
+ "{ok, NewState :: term(), hibernate} |" n>
+ "remove_handler |" n>
+ "{swap_handler, Args1 :: term(), NewState :: term()," n>
+ "Handler2 :: atom() | {atom(), term()}, Args2 :: term()}." n
"handle_info(_Info, State) ->" n>
"{ok, State}." n
n
@@ -675,22 +739,40 @@ Please see the function `tempo-define-template'.")
"%% Whenever an event handler is deleted from an event manager, this" n
"%% function is called. It should be the opposite of Module:init/1 and" n
"%% do any necessary cleaning up." n
- "%%" n
- "%% @spec terminate(Reason, State) -> void()" n
(erlang-skel-separator-end 2)
- "terminate(_Reason, _State) ->" n>
+ "-spec terminate(Arg :: {stop, Reason :: term()} |" n>
+ "stop |" n>
+ "remove_handler |" n>
+ "{error, {'EXIT', Reason :: term()}} |" n>
+ "{error, Term :: term()} |" n>
+ "term()," n>
+ "State :: term()) -> any()." n
+ "terminate(_Arg, _State) ->" n>
"ok." n
n
(erlang-skel-separator-start 2)
"%% @private" n
"%% @doc" n
"%% Convert process state when code is changed" n
- "%%" n
- "%% @spec code_change(OldVsn, State, Extra) -> {ok, NewState}" n
(erlang-skel-separator-end 2)
+ "-spec code_change(OldVsn :: term() | {down, term()}," n>
+ "State :: term()," n>
+ "Extra :: term()) -> {ok, NewState :: term()}." n
"code_change(_OldVsn, State, _Extra) ->" n>
"{ok, State}." n
n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% This function is called for changing the form and appearance" n
+ "%% of gen_event status when it is returned from sys:get_status/1,2" n
+ "%% or when it appears in termination error logs." n
+ (erlang-skel-separator-end 2)
+ "-spec format_status(Opt :: normal | terminate," n>
+ "Status :: list()) -> Status :: term()." n
+ "format_status(_Opt, Status) ->" n>
+ "Status." n
+ n
(erlang-skel-double-separator-start 3)
"%%% Internal functions" n
(erlang-skel-double-separator-end 3)
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index 6b93d63182..b3411c3ce7 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -4,7 +4,7 @@
;; Author: Anders Lindgren
;; Keywords: erlang, languages, processes
;; Date: 2011-12-11
-;; Version: 2.8.0
+;; Version: 2.8.1
;; Package-Requires: ((emacs "24.1"))
;; %CopyrightBegin%
@@ -84,7 +84,7 @@
"The Erlang programming language."
:group 'languages)
-(defconst erlang-version "2.8.0"
+(defconst erlang-version "2.8.1"
"The version number of Erlang mode.")
(defcustom erlang-root-dir nil
@@ -2742,7 +2742,7 @@ Return nil if inside string, t if in a comment."
(1+ (nth 2 stack-top)))
((= (char-syntax (following-char)) ?\))
(goto-char (nth 1 stack-top))
- (cond ((looking-at "[({]\\s *\\($\\|%\\)")
+ (cond ((erlang-record-or-function-args-p)
;; Line ends with parenthesis.
(let ((previous (erlang-indent-find-preceding-expr))
(stack-pos (nth 2 stack-top)))
@@ -2752,19 +2752,10 @@ Return nil if inside string, t if in a comment."
(nth 2 stack-top))))
((= (following-char) ?,)
;; a comma at the start of the line: line up with opening parenthesis.
- (nth 2 stack-top))
+ (min (nth 2 stack-top)
+ (erlang-indent-element stack-top indent-point token)))
(t
- (goto-char (nth 1 stack-top))
- (let ((base (cond ((looking-at "[({]\\s *\\($\\|%\\)")
- ;; Line ends with parenthesis.
- (erlang-indent-parenthesis (nth 2 stack-top)))
- (t
- ;; Indent to the same column as the first
- ;; argument.
- (goto-char (1+ (nth 1 stack-top)))
- (skip-chars-forward " \t")
- (current-column)))))
- (erlang-indent-standard indent-point token base 't)))))
+ (erlang-indent-element stack-top indent-point token))))
;;
((eq (car stack-top) '<<)
;; Element of binary (possible comprehension) expression,
@@ -2773,13 +2764,11 @@ Return nil if inside string, t if in a comment."
(+ 2 (nth 2 stack-top)))
((looking-at "\\(>>\\)[^_a-zA-Z0-9]")
(nth 2 stack-top))
+ ((= (following-char) ?,)
+ (min (+ (nth 2 stack-top) 1)
+ (- (erlang-indent-to-first-element stack-top 2) 1)))
(t
- (goto-char (nth 1 stack-top))
- ;; Indent to the same column as the first
- ;; argument.
- (goto-char (+ 2 (nth 1 stack-top)))
- (skip-chars-forward " \t")
- (current-column))))
+ (erlang-indent-to-first-element stack-top 2))))
((memq (car stack-top) '(icr fun spec))
;; The default indentation is the column of the option
@@ -2835,12 +2824,13 @@ Return nil if inside string, t if in a comment."
(let ((base (erlang-indent-find-base stack indent-point off skip)))
;; Special cases
(goto-char indent-point)
- (cond ((looking-at "\\(end\\|after\\)\\($\\|[^_a-zA-Z0-9]\\)")
+ (cond ((looking-at "\\(;\\|end\\|after\\)\\($\\|[^_a-zA-Z0-9]\\)")
(if (eq (car stack-top) '->)
(erlang-pop stack))
- (if stack
- (erlang-caddr (car stack))
- 0))
+ (cond ((and stack (looking-at ";"))
+ (+ (erlang-caddr (car stack)) (- erlang-indent-level 2)))
+ (stack (erlang-caddr (car stack)))
+ (t off)))
((looking-at "catch\\b\\($\\|[^_a-zA-Z0-9]\\)")
;; Are we in a try
(let ((start (if (eq (car stack-top) '->)
@@ -2914,6 +2904,22 @@ Return nil if inside string, t if in a comment."
(current-column))) start-alternativ))))))
)))
+(defun erlang-indent-to-first-element (stack-top extra)
+ ;; Indent to the same column as the first
+ ;; argument. extra should be 1 for lists tuples or 2 for binaries
+ (goto-char (+ (nth 1 stack-top) extra))
+ (skip-chars-forward " \t")
+ (current-column))
+
+(defun erlang-indent-element (stack-top indent-point token)
+ (goto-char (nth 1 stack-top))
+ (let ((base (cond ((erlang-record-or-function-args-p)
+ ;; Line ends with parenthesis.
+ (erlang-indent-parenthesis (nth 2 stack-top)))
+ (t
+ (erlang-indent-to-first-element stack-top 1)))))
+ (erlang-indent-standard indent-point token base 't)))
+
(defun erlang-indent-standard (indent-point token base inside-parenthesis)
"Standard indent when in blocks or tuple or arguments.
Look at last thing to see in what state we are, move relative to the base."
@@ -2939,6 +2945,9 @@ Return nil if inside string, t if in a comment."
;; Avoid treating comments a continued line.
((= (following-char) ?%)
base)
+ ((and (= (following-char) ?,) inside-parenthesis)
+ ;; a comma at the start of the line line up with parenthesis
+ (- base 1))
;; Continued line (e.g. line beginning
;; with an operator.)
(t
@@ -3028,11 +3037,21 @@ This assumes that the preceding expression is either simple
(t col)))
col))))
+(defun erlang-record-or-function-args-p ()
+ (and (looking-at "[({]\\s *\\($\\|%\\)")
+ (or (eq (following-char) ?\( )
+ (save-excursion
+ (ignore-errors (forward-sexp (- 1)))
+ (eq (preceding-char) ?#)))))
+
(defun erlang-indent-parenthesis (stack-position)
(let ((previous (erlang-indent-find-preceding-expr)))
- (if (> previous stack-position)
- (+ stack-position erlang-argument-indent)
- (+ previous erlang-argument-indent))))
+ (cond ((eq previous stack-position) ;; tuple or map not a record
+ (1+ stack-position))
+ ((> previous stack-position)
+ (+ stack-position erlang-argument-indent))
+ (t
+ (+ previous erlang-argument-indent)))))
(defun erlang-skip-blank (&optional lim)
"Skip over whitespace and comments until limit reached."
@@ -5166,7 +5185,6 @@ future, a new shell on an already running host will be started."
;; e.g. it does not assume that we are running an inferior
;; Erlang, there exists a lot of other possibilities.
-
(defvar erlang-shell-buffer-name "*erlang*"
"The name of the Erlang link shell buffer.")
@@ -5177,46 +5195,28 @@ Also see the description of `ielm-prompt-read-only'."
:type 'boolean
:package-version '(erlang . "2.8.0"))
-(defvar erlang-shell-mode-map nil
- "Keymap used by Erlang shells.")
-
-
-(defvar erlang-shell-mode-hook nil
- "User functions to run when an Erlang shell is started.
-
-This hook is used to change the behaviour of Erlang mode. It is
-normally used by the user to personalise the programming environment.
-When used in a site init file, it could be used to customise Erlang
-mode for all users on the system.
-
-The function added to this hook is run every time a new Erlang
-shell is started.
+(defvar erlang-shell-mode-map
+ (let ((map (make-sparse-keymap)))
+ (define-key map "\M-\t" 'erlang-complete-tag)
-See also `erlang-load-hook', a hook which is run once, when Erlang
-mode is loaded, and `erlang-mode-hook' which is run every time a new
-Erlang source file is loaded into Emacs.")
+ ;; Normally the other way around.
+ (define-key map "\C-a" 'comint-bol)
+ (define-key map "\C-c\C-a" 'beginning-of-line)
+ (define-key map "\C-d" nil) ; Was `comint-delchar-or-maybe-eof'
+ (define-key map "\M-\C-m" 'compile-goto-error)
+ map)
+ "Keymap used by Erlang shells.")
(defvar erlang-input-ring-file-name "~/.erlang_history"
"When non-nil, file name used to store Erlang shell history information.")
-
-(defun erlang-shell-mode ()
+(define-derived-mode erlang-shell-mode comint-mode "Erlang Shell"
"Major mode for interacting with an Erlang shell.
-We assume that we already are in Comint mode.
-
The following special commands are available:
\\{erlang-shell-mode-map}"
- (interactive)
- (setq major-mode 'erlang-shell-mode)
- (setq mode-name "Erlang Shell")
(erlang-mode-variables)
- (if erlang-shell-mode-map
- nil
- (setq erlang-shell-mode-map (copy-keymap comint-mode-map))
- (erlang-shell-mode-commands erlang-shell-mode-map))
- (use-local-map erlang-shell-mode-map)
;; Needed when compiling directly from the Erlang shell.
(setq compilation-last-buffer (current-buffer))
(setq comint-prompt-regexp "^[^>=]*> *")
@@ -5230,7 +5230,6 @@ The following special commands are available:
'inferior-erlang-strip-delete nil t)
(add-hook 'comint-output-filter-functions
'inferior-erlang-strip-ctrl-m nil t)
-
(setq comint-input-ring-file-name erlang-input-ring-file-name)
(comint-read-input-ring t)
(make-local-variable 'kill-buffer-hook)
@@ -5249,8 +5248,7 @@ The following special commands are available:
(define-key map [menu-bar compilation]
(cons "Errors" compilation-menu-map)))
map))))
- (erlang-tags-init)
- (run-hooks 'erlang-shell-mode-hook))
+ (erlang-tags-init))
(defun erlang-mouse-2-command (event)
@@ -5272,13 +5270,6 @@ Selects Comint or Compilation mode command as appropriate."
(call-interactively (lookup-key compilation-mode-map "\C-m"))
(call-interactively (lookup-key comint-mode-map "\C-m"))))
-(defun erlang-shell-mode-commands (map)
- (define-key map "\M-\t" 'erlang-complete-tag)
- (define-key map "\C-a" 'comint-bol) ; Normally the other way around.
- (define-key map "\C-c\C-a" 'beginning-of-line)
- (define-key map "\C-d" nil) ; Was `comint-delchar-or-maybe-eof'
- (define-key map "\M-\C-m" 'compile-goto-error))
-
;;;
;;; Inferior Erlang -- Run an Erlang shell as a subprocess.
;;;
diff --git a/lib/tools/emacs/test.erl.indented b/lib/tools/emacs/test.erl.indented
deleted file mode 100644
index 14a4eca7c3..0000000000
--- a/lib/tools/emacs/test.erl.indented
+++ /dev/null
@@ -1,784 +0,0 @@
-%% -*- Mode: erlang; indent-tabs-mode: nil -*-
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2009-2016. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%% http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-
-%%%-------------------------------------------------------------------
-%%% File : test.erl
-%%% Author : Dan Gudmundsson <[email protected]>
-%%% Description : Test emacs mode indention and font-locking
-%%% this file is intentionally not indented.
-%%% Copy the file and indent it and you should end up with test.erl.indented
-%%% Created : 6 Oct 2009 by Dan Gudmundsson <[email protected]>
-%%%-------------------------------------------------------------------
-
-%% Start off with syntax highlighting you have to verify this by looking here
-%% and see that the code looks alright
-
--module(test).
--compile(export_all).
-
-%% Used to cause an "Unbalanced parentheses" error.
-foo(M) ->
- M#{a :=<<"a">>
- ,b:=1}.
-foo() ->
- #{a =><<"a">>
- ,b=>1}.
-
-%% Module attributes should be highlighted
-
--export([t/1]).
--record(record1, {a,
- b,
- c
- }).
--record(record2, {
- a,
- b
- }).
-
--record(record3, {a = 8#42423 bor
- 8#4234,
- b = 8#5432
- bor 2#1010101
- c = 123 +
- 234,
- d}).
-
--record(record4, {
- a = 8#42423 bor
- 8#4234,
- b = 8#5432
- bor 2#1010101
- c = 123 +
- 234,
- d}).
-
--record(record5, { a = 1 :: integer()
- , b = foobar :: atom()
- }).
-
--define(MACRO_1, macro).
--define(MACRO_2(_), macro).
-
--spec t(integer()) -> any().
-
--type ann() :: Var :: integer().
--type ann2() :: Var ::
- 'return'
- | 'return_white_spaces'
- | 'return_comments'
- | 'text' | ann().
--type paren() ::
- (ann2()).
--type t1() :: atom().
--type t2() :: [t1()].
--type t3(Atom) :: integer(Atom).
--type t4() :: t3(foobar).
--type t5() :: {t1(), t3(foo)}.
--type t6() :: 1 | 2 | 3 |
- 'foo' | 'bar'.
--type t7() :: [].
--type t71() :: [_].
--type t8() :: {any(),none(),pid(),port(),
- reference(),float()}.
--type t9() :: [1|2|3|foo|bar] |
- list(a | b | c) | t71().
--type t10() :: {1|2|3|foo|t9()} | {}.
--type t11() :: 1..2.
--type t13() :: maybe_improper_list(integer(), t11()).
--type t14() :: [erl_scan:foo() |
- %% Should be highlighted
- term() |
- bool() |
- byte() |
- char() |
- non_neg_integer() | nonempty_list() |
- pos_integer() |
- neg_integer() |
- number() |
- list() |
- nonempty_improper_list() | nonempty_maybe_improper_list() |
- maybe_improper_list() | string() | iolist() | byte() |
- module() |
- mfa() |
- node() |
- timeout() |
- no_return() |
- %% Should not be highlighted
- nonempty_() | nonlist() |
- erl_scan:bar(34, 92) | t13() | m:f(integer() | <<_:_*16>>)].
-
-
--type t15() :: {binary(),<<>>,<<_:34>>,<<_:_*42>>,
- <<_:3,_:_*14>>,<<>>} | [<<>>|<<_:34>>|<<_:16>>|
- <<_:3,_:_*1472>>|<<_:19,_:_*14>>| <<_:34>>|
- <<_:34>>|<<_:34>>|<<_:34>>].
--type t16() :: fun().
--type t17() :: fun((...) -> paren()).
--type t18() :: fun(() -> t17() | t16()).
--type t19() :: fun((t18()) -> t16()) |
- fun((nonempty_maybe_improper_list('integer', any())|
- 1|2|3|a|b|<<_:3,_:_*14>>|integer()) ->
- nonempty_maybe_improper_list('integer', any())|
- 1|2|3|a|b|<<_:3,_:_*14>>|integer()).
--type t20() :: [t19(), ...].
--type t21() :: tuple().
--type t21(A) :: A.
--type t22() :: t21(integer()).
--type t23() :: #rec1{}.
--type t24() :: #rec2{a :: t23(), b :: [atom()]}.
--type t25() :: #rec3{f123 :: [t24() |
- 1|2|3|4|a|b|c|d|
- nonempty_maybe_improper_list(integer, any())]}.
--type t26() :: #rec4{ a :: integer()
- , b :: any()
- }.
--type t27() :: { integer()
- , atom()
- }.
--type t99() ::
- {t2(),t4(),t5(),t6(),t7(),t8(),t10(),t14(),
- t15(),t20(),t21(), t22(),t25()}.
--spec t1(FooBar :: t99()) -> t99();
- (t2()) -> t2();
- (t4()) -> t4() when is_subtype(t4(), t24);
- (t23()) -> t23() when is_subtype(t23(), atom()),
- is_subtype(t23(), t14());
- (t24()) -> t24() when is_subtype(t24(), atom()),
- is_subtype(t24(), t14()),
- is_subtype(t24(), t4()).
-
--spec over(I :: integer()) -> R1 :: foo:typen();
- (A :: atom()) -> R2 :: foo:atomen();
- (T :: tuple()) -> R3 :: bar:typen().
-
--spec mod:t2() -> any().
-
--spec handle_cast(Cast :: {'exchange', node(), [[name(),...]]}
- | {'del_member', name(), pid()},
- #state{}) -> {'noreply', #state{}}.
-
--spec handle_cast(Cast ::
- {'exchange', node(), [[name(),...]]}
- | {'del_member', name(), pid()},
- #state{}) -> {'noreply', #state{}}.
-
--spec all(fun((T) -> boolean()), List :: [T]) ->
- boolean() when is_subtype(T, term()). % (*)
-
--spec get_closest_pid(term()) ->
- Return :: pid()
- | {'error', {'no_process', term()}
- | {'no_such_group', term()}}.
-
--spec add( X :: integer()
- , Y :: integer()
- ) -> integer().
-
--opaque attributes_data() ::
- [{'column', column()} | {'line', info_line()} |
- {'text', string()}] | {line(),column()}.
--record(r,{
- f1 :: attributes_data(),
- f222 = foo:bar(34, #rec3{}, 234234234423,
- aassdsfsdfsdf, 2234242323) ::
- [t24() | 1|2|3|4|a|b|c|d|
- nonempty_maybe_improper_list(integer, any())],
- f333 :: [t24() | 1|2|3|4|a|b|c|d|
- nonempty_maybe_improper_list(integer, any())],
- f3 = x:y(),
- f4 = x:z() :: t99(),
- f17 :: 'undefined',
- f18 :: 1 | 2 | 'undefined',
- f19 = 3 :: integer()|undefined,
- f5 = 3 :: undefined|integer()}).
-
--record(state, {
- sequence_number = 1 :: integer()
- }).
-
-
-highlighting(X) % Function definitions should be highlighted
- when is_integer(X) -> % and so should `when' and `is_integer' be
- %% Highlighting
- %% Various characters (we keep an `atom' after to see that highlighting ends)
- $a,atom, % Characters should be marked
- "string",atom, % and strings
- 'asdasd',atom, % quote should be atoms??
- 'VaV',atom,
- 'aVa',atom,
- '\'atom',atom,
- 'atom\'',atom,
- 'at\'om',atom,
- '#1',atom,
-
- $", atom, % atom should be ok
- $', atom,
-
- "string$", atom, "string$", atom, % currently buggy I know...
- "string\$", atom, % workaround for bug above
-
- "char $in string", atom,
-
- 'atom$', atom, 'atom$', atom,
- 'atom\$', atom,
-
- 'char $in atom', atom,
-
- $[, ${, $\\, atom,
- ?MACRO_1,
- ?MACRO_2(foo),
-
- %% Numerical constants
- 16#DD, % AD Should not be highlighted
- 32#dd, % AD Should not be highlighted
- 32#ddAB, % AD Should not be highlighted
- 32#101, % AD Should not be highlighted
- 32#ABTR, % AD Should not be highlighted
-
- %% Variables
- Variables = lists:foo(),
- _Variables = lists:foo(), % AD
- AppSpec = Xyz/2,
- Module42 = Xyz(foo, bar),
- Module:foo(),
- _Module:foo(), % AD
- FooÅÅ = lists:reverse([tl,hd,tl,hd]), % AD Should highlight FooÅÅ
- _FooÅÅ = 42, % AD Should highlight _FooÅÅ
-
- %% Bifs
- erlang:registered(),
- registered(),
- hd(tl(tl(hd([a,b,c])))),
- erlang:anything(lists),
- %% Guards
- is_atom(foo), is_float(2.3), is_integer(32), is_number(4323.3),
- is_function(Fun), is_pid(self()),
- not_a_guard:is_list([]),
- %% Other Types
-
- atom, % not (currently) hightlighted
- 234234,
- 234.43,
-
- [list, are, not, higlighted],
- {nor, is, tuple},
- ok.
-
-%%%
-%%% Indentation
-%%%
-
-%%% Left
-
-%% Indented
-
- % Right
-
-
-indent_basics(X, Y, Z)
- when X > 42,
- Z < 13;
- Y =:= 4711 ->
- %% comments
- % right comments
- case lists:filter(fun(_, AlongName,
- B,
- C) ->
- true
- end,
- [a,v,b])
- of
- [] ->
- Y = 5 * 43,
- ok;
- [_|_] ->
- Y = 5 * 43,
- ok
- end,
- Y,
- %% List, tuples and binaries
- [a,
- b, c
- ],
- [ a,
- b, c
- ],
-
- [
- a,
- b
- ],
- {a,
- b,c
- },
- { a,
- b,c
- },
-
- {
- a,
- b
- },
-
- <<1:8,
- 2:8
- >>,
- <<
- 1:8,
- 2:8
- >>,
- << 1:8,
- 2:8
- >>,
-
- (a,
- b,
- c
- ),
-
- ( a,
- b,
- c
- ),
-
-
- (
- a,
- b,
- c
- ),
-
- call(2#42423 bor
- #4234,
- 2#5432,
- other_arg),
- ok;
-indent_basics(Xlongname,
- #struct{a=Foo,
- b=Bar},
- [X|
- Y]) ->
- testing_next_clause,
- ok;
-indent_basics( % AD added clause
- X, % not sure how this should look
- Y,
- Z)
- when
- X < 42, Z > 13;
- Y =:= 4711 ->
- foo;
-indent_basics(X, Y, Z) when % AD added clause
- X < 42, Z > 13; % testing when indentation
- Y =:= 4711 ->
- foo;
-indent_basics(X, Y, Z) % AD added clause
- when % testing when indentation
- X < 42, Z > 13; % unsure about this one
- Y =:= 4711 ->
- foo.
-
-
-
-indent_nested() ->
- [
- {foo, 2, "string"},
- {bar, 3, "another string"}
- ].
-
-
-indent_icr(Z) -> % icr = if case receive
- %% If
- if Z >= 0 ->
- X = 43 div 4,
- foo(X);
- Z =< 10 ->
- X = 43 div 4,
- foo(X);
- Z == 5 orelse
- Z == 7 ->
- X = 43 div 4,
- foo(X);
- true ->
- if_works
- end,
- %% Case
- case {Z, foo, bar} of
- {Z,_,_} ->
- X = 43 div 4,
- foo(X);
- {Z,_,_} when
- Z =:= 42 -> % AD line should be indented as a when
- X = 43 div 4,
- foo(X);
- {Z,_,_}
- when Z < 10 -> % AD when should be indented
- X = 43 div 4,
- foo(X);
- {Z,_,_}
- when % AD when should be indented
- Z < 10 % and the guards should follow when
- andalso % unsure about how though
- true ->
- X = 43 div 4,
- foo(X)
- end,
- %% begin
- begin
- sune,
- X = 74234 + foo(8456) +
- 345 div 43,
- ok
- end,
-
-
- %% receive
- receive
- {Z,_,_} ->
- X = 43 div 4,
- foo(X);
- Z ->
- X = 43 div 4,
- foo(X)
- end,
- receive
- {Z,_,_} ->
- X = 43 div 4,
- foo(X);
- Z % AD added clause
- when Z =:= 1 -> % This line should be indented by 2
- X = 43 div 4,
- foo(X);
- Z when % AD added clause
- Z =:= 2 -> % This line should be indented by 2
- X = 43 div 4,
- foo(X);
- Z ->
- X = 43 div 4,
- foo(X)
- after infinity ->
- foo(X),
- asd(X),
- 5*43
- end,
- receive
- after 10 ->
- foo(X),
- asd(X),
- 5*43
- end,
- ok.
-
-indent_fun() ->
- %% Changed fun to one indention level
- Var = spawn(fun(X)
- when X == 2;
- X > 10 ->
- hello,
- case Hello() of
- true when is_atom(X) ->
- foo;
- false ->
- bar
- end;
- (Foo) when is_atom(Foo),
- is_integer(X) ->
- X = 6* 45,
- Y = true andalso
- kalle
- end),
- %% check EEP37 named funs
- Fn1 = fun Fact(N) when N > 0 ->
- F = Fact(N-1),
- N * F;
- Fact(0) ->
- 1
- end,
- %% check anonymous funs too
- Fn2 = fun(0) ->
- 1;
- (N) ->
- N
- end,
- ok.
-
-indent_try_catch() ->
- try
- io:format(stdout, "Parsing file ~s, ",
- [St0#leex.xfile]),
- {ok,Line3,REAs,Actions,St3} =
- parse_rules(Xfile, Line2, Macs, St2)
- catch
- exit:{badarg,R} ->
- foo(R),
- io:format(stdout,
- "ERROR reason ~p~n",
- R);
- error:R % AD added clause
- when R =:= 42 -> % when should be indented
- foo(R);
- error:R % AD added clause
- when % when should be indented
- R =:= 42 -> % but unsure about this (maybe 2 more)
- foo(R);
- error:R when % AD added clause
- R =:= foo -> % line should be 2 indented (works)
- foo(R);
- error:R ->
- foo(R),
- io:format(stdout,
- "ERROR reason ~p~n",
- R)
- after
- foo('after'),
- file:close(Xfile)
- end;
-indent_try_catch() ->
- try
- foo(bar)
- of
- X when true andalso
- kalle ->
- io:format(stdout, "Parsing file ~s, ",
- [St0#leex.xfile]),
- {ok,Line3,REAs,Actions,St3} =
- parse_rules(Xfile, Line2, Macs, St2);
- X % AD added clause
- when false andalso % when should be 2 indented
- bengt ->
- gurka();
- X when % AD added clause
- false andalso % line should be 2 indented
- not bengt ->
- gurka();
- X ->
- io:format(stdout, "Parsing file ~s, ",
- [St0#leex.xfile]),
- {ok,Line3,REAs,Actions,St3} =
- parse_rules(Xfile, Line2, Macs, St2)
- catch
- exit:{badarg,R} ->
- foo(R),
- io:format(stdout,
- "ERROR reason ~p~n",
- R);
- error:R ->
- foo(R),
- io:format(stdout,
- "ERROR reason ~p~n",
- R)
- after
- foo('after'),
- file:close(Xfile),
- bar(with_long_arg,
- with_second_arg)
- end;
-indent_try_catch() ->
- try foo()
- after
- foo(),
- bar(with_long_arg,
- with_second_arg)
- end.
-
-indent_catch() ->
- D = B +
- float(43.1),
-
- B = catch oskar(X),
-
- A = catch (baz +
- bax),
- catch foo(),
-
- C = catch B +
- float(43.1),
-
- case catch foo(X) of
- A ->
- B
- end,
-
- case
- catch foo(X)
- of
- A ->
- B
- end,
-
- case
- foo(X)
- of
- A ->
- catch B,
- X
- end,
-
- try sune of
- _ -> foo
- catch _:_ -> baf
- end,
-
- try
- sune
- of
- _ ->
- X = 5,
- (catch foo(X)),
- X + 10
- catch _:_ -> baf
- end,
-
- try
- (catch sune)
- of
- _ ->
- catch foo() %% BUGBUG can't handle catch inside try without parentheses
- catch _:_ ->
- baf
- end,
-
- try
- (catch exit())
- catch
- _ ->
- catch baf()
- end,
- ok.
-
-indent_binary() ->
- X = lists:foldr(fun(M) ->
- <<Ma/binary, " ">>
- end, [], A),
- A = <<X/binary, 0:8>>,
- B.
-
-
-indent_comprehensions() ->
- %% I don't have a good idea how we want to handle this
- %% but they are here to show how they are indented today.
- Result1 = [X ||
- #record{a=X} <- lists:seq(1, 10),
- true = (X rem 2)
- ],
- Result2 = [X || <<X:32,_:32>> <= <<0:512>>,
- true = (X rem 2)
- ],
-
- Binary1 = << <<X:8>> ||
- #record{a=X} <- lists:seq(1, 10),
- true = (X rem 2)
- >>,
-
- Binary2 = << <<X:8>> || <<X:32,_:32>> <= <<0:512>>,
- true = (X rem 2)
- >>,
- ok.
-
-%% This causes an error in earlier erlang-mode versions.
-foo() ->
- [#foo{
- foo = foo}].
-
-%% Record indentation
-some_function_with_a_very_long_name() ->
- #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
- field1=a,
- field2=b},
- case dummy_function_with_a_very_very_long_name(x) of
- #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
- field1=a,
- field2=b} ->
- ok;
- Var = #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
- field1=a,
- field2=b} ->
- Var#'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
- field1=a,
- field2=b};
- #xyz{
- a=1,
- b=2} ->
- ok
- end.
-
-another_function_with_a_very_very_long_name() ->
- #rec{
- field1=1,
- field2=1}.
-
-some_function_name_xyz(xyzzy, #some_record{
- field1=Field1,
- field2=Field2}) ->
- SomeVariable = f(#'Some-long-record-name'{
- field_a = 1,
- 'inter-xyz-parameters' =
- #'Some-other-very-long-record-name'{
- field2 = Field1,
- field2 = Field2}}),
- {ok, SomeVariable}.
-
-commas_first() ->
- {abc, [ {some_var, 1}
- , {some_other_var, 2}
- , {erlang_ftw, 9}
- , {erlang_cookie, 'cookie'}
- , {cmds,
- [ {one, "sudo ls"}
- , {one, "sudo ls"}
- , {two, "sudo ls"}
- , {three, "sudo ls"}
- , {four, "sudo ls"}
- , {three, "sudo ls"}
- ] }
- , {ssh_username, "yow"}
- , {cluster,
- [ {aaaa, [ {"10.198.55.12" , "" }
- , {"10.198.55.13" , "" }
- ] }
- , {bbbb, [ {"10.198.55.151", "" }
- , {"10.198.55.123", "" }
- , {"10.198.55.34" , "" }
- , {"10.198.55.85" , "" }
- , {"10.198.55.67" , "" }
- ] }
- , {cccc, [ {"10.198.55.68" , "" }
- , {"10.198.55.69" , "" }
- ] }
- ] }
- ]
- }.
-
-
-%% this used to result in a scan-sexp error
-[{
- }].
-
-%% this used to result in 2x the correct indentation within the function
-%% body, due to the function name being mistaken for a keyword
-catcher(N) ->
- try generate_exception(N) of
- Val -> {N, normal, Val}
- catch
- throw:X -> {N, caught, thrown, X};
- exit:X -> {N, caught, exited, X};
- error:X -> {N, caught, error, X}
- end.
diff --git a/lib/tools/emacs/test.erl.orig b/lib/tools/emacs/test.erl.orig
deleted file mode 100644
index c0cf1749b6..0000000000
--- a/lib/tools/emacs/test.erl.orig
+++ /dev/null
@@ -1,784 +0,0 @@
-%% -*- Mode: erlang; indent-tabs-mode: nil -*-
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2009-2016. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%% http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-
-%%%-------------------------------------------------------------------
-%%% File : test.erl
-%%% Author : Dan Gudmundsson <[email protected]>
-%%% Description : Test emacs mode indention and font-locking
-%%% this file is intentionally not indented.
-%%% Copy the file and indent it and you should end up with test.erl.indented
-%%% Created : 6 Oct 2009 by Dan Gudmundsson <[email protected]>
-%%%-------------------------------------------------------------------
-
-%% Start off with syntax highlighting you have to verify this by looking here
-%% and see that the code looks alright
-
--module(test).
--compile(export_all).
-
-%% Used to cause an "Unbalanced parentheses" error.
-foo(M) ->
-M#{a :=<<"a">>
-,b:=1}.
-foo() ->
-#{a =><<"a">>
-,b=>1}.
-
-%% Module attributes should be highlighted
-
--export([t/1]).
--record(record1, {a,
- b,
- c
-}).
--record(record2, {
- a,
- b
- }).
-
--record(record3, {a = 8#42423 bor
- 8#4234,
- b = 8#5432
- bor 2#1010101
- c = 123 +
-234,
- d}).
-
--record(record4, {
- a = 8#42423 bor
- 8#4234,
- b = 8#5432
- bor 2#1010101
- c = 123 +
- 234,
- d}).
-
--record(record5, { a = 1 :: integer()
-, b = foobar :: atom()
-}).
-
--define(MACRO_1, macro).
--define(MACRO_2(_), macro).
-
--spec t(integer()) -> any().
-
--type ann() :: Var :: integer().
--type ann2() :: Var ::
- 'return'
- | 'return_white_spaces'
- | 'return_comments'
- | 'text' | ann().
--type paren() ::
- (ann2()).
--type t1() :: atom().
--type t2() :: [t1()].
--type t3(Atom) :: integer(Atom).
--type t4() :: t3(foobar).
--type t5() :: {t1(), t3(foo)}.
--type t6() :: 1 | 2 | 3 |
- 'foo' | 'bar'.
--type t7() :: [].
--type t71() :: [_].
--type t8() :: {any(),none(),pid(),port(),
- reference(),float()}.
--type t9() :: [1|2|3|foo|bar] |
- list(a | b | c) | t71().
--type t10() :: {1|2|3|foo|t9()} | {}.
--type t11() :: 1..2.
--type t13() :: maybe_improper_list(integer(), t11()).
--type t14() :: [erl_scan:foo() |
- %% Should be highlighted
- term() |
- bool() |
- byte() |
- char() |
- non_neg_integer() | nonempty_list() |
- pos_integer() |
- neg_integer() |
- number() |
- list() |
- nonempty_improper_list() | nonempty_maybe_improper_list() |
- maybe_improper_list() | string() | iolist() | byte() |
- module() |
- mfa() |
- node() |
- timeout() |
- no_return() |
- %% Should not be highlighted
- nonempty_() | nonlist() |
- erl_scan:bar(34, 92) | t13() | m:f(integer() | <<_:_*16>>)].
-
-
--type t15() :: {binary(),<<>>,<<_:34>>,<<_:_*42>>,
- <<_:3,_:_*14>>,<<>>} | [<<>>|<<_:34>>|<<_:16>>|
-<<_:3,_:_*1472>>|<<_:19,_:_*14>>| <<_:34>>|
-<<_:34>>|<<_:34>>|<<_:34>>].
--type t16() :: fun().
--type t17() :: fun((...) -> paren()).
--type t18() :: fun(() -> t17() | t16()).
--type t19() :: fun((t18()) -> t16()) |
- fun((nonempty_maybe_improper_list('integer', any())|
- 1|2|3|a|b|<<_:3,_:_*14>>|integer()) ->
-nonempty_maybe_improper_list('integer', any())|
-1|2|3|a|b|<<_:3,_:_*14>>|integer()).
--type t20() :: [t19(), ...].
--type t21() :: tuple().
--type t21(A) :: A.
--type t22() :: t21(integer()).
--type t23() :: #rec1{}.
--type t24() :: #rec2{a :: t23(), b :: [atom()]}.
--type t25() :: #rec3{f123 :: [t24() |
-1|2|3|4|a|b|c|d|
-nonempty_maybe_improper_list(integer, any())]}.
--type t26() :: #rec4{ a :: integer()
-, b :: any()
-}.
--type t27() :: { integer()
-, atom()
-}.
--type t99() ::
-{t2(),t4(),t5(),t6(),t7(),t8(),t10(),t14(),
-t15(),t20(),t21(), t22(),t25()}.
--spec t1(FooBar :: t99()) -> t99();
-(t2()) -> t2();
- (t4()) -> t4() when is_subtype(t4(), t24);
-(t23()) -> t23() when is_subtype(t23(), atom()),
- is_subtype(t23(), t14());
-(t24()) -> t24() when is_subtype(t24(), atom()),
- is_subtype(t24(), t14()),
- is_subtype(t24(), t4()).
-
--spec over(I :: integer()) -> R1 :: foo:typen();
- (A :: atom()) -> R2 :: foo:atomen();
- (T :: tuple()) -> R3 :: bar:typen().
-
--spec mod:t2() -> any().
-
--spec handle_cast(Cast :: {'exchange', node(), [[name(),...]]}
- | {'del_member', name(), pid()},
- #state{}) -> {'noreply', #state{}}.
-
--spec handle_cast(Cast ::
- {'exchange', node(), [[name(),...]]}
- | {'del_member', name(), pid()},
- #state{}) -> {'noreply', #state{}}.
-
--spec all(fun((T) -> boolean()), List :: [T]) ->
- boolean() when is_subtype(T, term()). % (*)
-
--spec get_closest_pid(term()) ->
- Return :: pid()
- | {'error', {'no_process', term()}
- | {'no_such_group', term()}}.
-
--spec add( X :: integer()
-, Y :: integer()
-) -> integer().
-
--opaque attributes_data() ::
-[{'column', column()} | {'line', info_line()} |
- {'text', string()}] | {line(),column()}.
--record(r,{
- f1 :: attributes_data(),
-f222 = foo:bar(34, #rec3{}, 234234234423,
- aassdsfsdfsdf, 2234242323) ::
-[t24() | 1|2|3|4|a|b|c|d|
- nonempty_maybe_improper_list(integer, any())],
-f333 :: [t24() | 1|2|3|4|a|b|c|d|
- nonempty_maybe_improper_list(integer, any())],
-f3 = x:y(),
-f4 = x:z() :: t99(),
-f17 :: 'undefined',
-f18 :: 1 | 2 | 'undefined',
-f19 = 3 :: integer()|undefined,
-f5 = 3 :: undefined|integer()}).
-
--record(state, {
- sequence_number = 1 :: integer()
- }).
-
-
-highlighting(X) % Function definitions should be highlighted
- when is_integer(X) -> % and so should `when' and `is_integer' be
- %% Highlighting
- %% Various characters (we keep an `atom' after to see that highlighting ends)
- $a,atom, % Characters should be marked
- "string",atom, % and strings
- 'asdasd',atom, % quote should be atoms??
- 'VaV',atom,
- 'aVa',atom,
- '\'atom',atom,
- 'atom\'',atom,
- 'at\'om',atom,
- '#1',atom,
-
- $", atom, % atom should be ok
- $', atom,
-
- "string$", atom, "string$", atom, % currently buggy I know...
- "string\$", atom, % workaround for bug above
-
- "char $in string", atom,
-
- 'atom$', atom, 'atom$', atom,
- 'atom\$', atom,
-
- 'char $in atom', atom,
-
- $[, ${, $\\, atom,
- ?MACRO_1,
- ?MACRO_2(foo),
-
- %% Numerical constants
- 16#DD, % AD Should not be highlighted
- 32#dd, % AD Should not be highlighted
- 32#ddAB, % AD Should not be highlighted
- 32#101, % AD Should not be highlighted
- 32#ABTR, % AD Should not be highlighted
-
- %% Variables
- Variables = lists:foo(),
- _Variables = lists:foo(), % AD
- AppSpec = Xyz/2,
- Module42 = Xyz(foo, bar),
- Module:foo(),
- _Module:foo(), % AD
- FooÅÅ = lists:reverse([tl,hd,tl,hd]), % AD Should highlight FooÅÅ
- _FooÅÅ = 42, % AD Should highlight _FooÅÅ
-
- %% Bifs
- erlang:registered(),
- registered(),
- hd(tl(tl(hd([a,b,c])))),
- erlang:anything(lists),
- %% Guards
- is_atom(foo), is_float(2.3), is_integer(32), is_number(4323.3),
- is_function(Fun), is_pid(self()),
- not_a_guard:is_list([]),
- %% Other Types
-
- atom, % not (currently) hightlighted
- 234234,
- 234.43,
-
- [list, are, not, higlighted],
- {nor, is, tuple},
- ok.
-
-%%%
-%%% Indentation
-%%%
-
-%%% Left
-
-%% Indented
-
-% Right
-
-
-indent_basics(X, Y, Z)
- when X > 42,
-Z < 13;
-Y =:= 4711 ->
- %% comments
- % right comments
- case lists:filter(fun(_, AlongName,
- B,
- C) ->
- true
- end,
- [a,v,b])
- of
- [] ->
- Y = 5 * 43,
- ok;
- [_|_] ->
- Y = 5 * 43,
- ok
- end,
- Y,
- %% List, tuples and binaries
- [a,
- b, c
- ],
- [ a,
- b, c
- ],
-
- [
- a,
- b
-],
- {a,
- b,c
- },
- { a,
- b,c
- },
-
- {
- a,
- b
- },
-
-<<1:8,
- 2:8
- >>,
- <<
- 1:8,
- 2:8
- >>,
- << 1:8,
- 2:8
- >>,
-
- (a,
- b,
- c
- ),
-
- ( a,
- b,
- c
- ),
-
-
- (
- a,
- b,
- c
- ),
-
- call(2#42423 bor
- #4234,
- 2#5432,
- other_arg),
- ok;
-indent_basics(Xlongname,
- #struct{a=Foo,
- b=Bar},
- [X|
- Y]) ->
- testing_next_clause,
- ok;
-indent_basics( % AD added clause
- X, % not sure how this should look
- Y,
- Z)
- when
- X < 42, Z > 13;
- Y =:= 4711 ->
- foo;
-indent_basics(X, Y, Z) when % AD added clause
- X < 42, Z > 13; % testing when indentation
- Y =:= 4711 ->
- foo;
-indent_basics(X, Y, Z) % AD added clause
- when % testing when indentation
- X < 42, Z > 13; % unsure about this one
- Y =:= 4711 ->
- foo.
-
-
-
-indent_nested() ->
- [
- {foo, 2, "string"},
- {bar, 3, "another string"}
- ].
-
-
-indent_icr(Z) -> % icr = if case receive
- %% If
- if Z >= 0 ->
- X = 43 div 4,
- foo(X);
- Z =< 10 ->
- X = 43 div 4,
- foo(X);
- Z == 5 orelse
- Z == 7 ->
- X = 43 div 4,
- foo(X);
- true ->
- if_works
- end,
- %% Case
- case {Z, foo, bar} of
- {Z,_,_} ->
- X = 43 div 4,
- foo(X);
- {Z,_,_} when
- Z =:= 42 -> % AD line should be indented as a when
- X = 43 div 4,
- foo(X);
- {Z,_,_}
- when Z < 10 -> % AD when should be indented
- X = 43 div 4,
- foo(X);
- {Z,_,_}
- when % AD when should be indented
- Z < 10 % and the guards should follow when
- andalso % unsure about how though
- true ->
- X = 43 div 4,
- foo(X)
- end,
- %% begin
- begin
- sune,
- X = 74234 + foo(8456) +
- 345 div 43,
- ok
- end,
-
-
- %% receive
- receive
- {Z,_,_} ->
- X = 43 div 4,
- foo(X);
- Z ->
- X = 43 div 4,
- foo(X)
- end,
- receive
- {Z,_,_} ->
- X = 43 div 4,
- foo(X);
- Z % AD added clause
- when Z =:= 1 -> % This line should be indented by 2
- X = 43 div 4,
- foo(X);
- Z when % AD added clause
- Z =:= 2 -> % This line should be indented by 2
- X = 43 div 4,
- foo(X);
- Z ->
- X = 43 div 4,
- foo(X)
- after infinity ->
- foo(X),
- asd(X),
- 5*43
- end,
- receive
- after 10 ->
- foo(X),
- asd(X),
- 5*43
- end,
- ok.
-
-indent_fun() ->
- %% Changed fun to one indention level
-Var = spawn(fun(X)
- when X == 2;
- X > 10 ->
- hello,
- case Hello() of
- true when is_atom(X) ->
- foo;
- false ->
- bar
- end;
- (Foo) when is_atom(Foo),
- is_integer(X) ->
- X = 6* 45,
- Y = true andalso
- kalle
- end),
-%% check EEP37 named funs
-Fn1 = fun Fact(N) when N > 0 ->
- F = Fact(N-1),
- N * F;
-Fact(0) ->
- 1
- end,
-%% check anonymous funs too
- Fn2 = fun(0) ->
-1;
- (N) ->
- N
- end,
- ok.
-
-indent_try_catch() ->
- try
- io:format(stdout, "Parsing file ~s, ",
- [St0#leex.xfile]),
- {ok,Line3,REAs,Actions,St3} =
- parse_rules(Xfile, Line2, Macs, St2)
- catch
- exit:{badarg,R} ->
- foo(R),
- io:format(stdout,
- "ERROR reason ~p~n",
- R);
- error:R % AD added clause
- when R =:= 42 -> % when should be indented
- foo(R);
- error:R % AD added clause
- when % when should be indented
- R =:= 42 -> % but unsure about this (maybe 2 more)
- foo(R);
- error:R when % AD added clause
- R =:= foo -> % line should be 2 indented (works)
- foo(R);
- error:R ->
- foo(R),
- io:format(stdout,
- "ERROR reason ~p~n",
- R)
- after
- foo('after'),
- file:close(Xfile)
- end;
-indent_try_catch() ->
- try
- foo(bar)
- of
- X when true andalso
- kalle ->
- io:format(stdout, "Parsing file ~s, ",
- [St0#leex.xfile]),
- {ok,Line3,REAs,Actions,St3} =
- parse_rules(Xfile, Line2, Macs, St2);
- X % AD added clause
- when false andalso % when should be 2 indented
- bengt ->
- gurka();
- X when % AD added clause
- false andalso % line should be 2 indented
- not bengt ->
- gurka();
- X ->
- io:format(stdout, "Parsing file ~s, ",
- [St0#leex.xfile]),
- {ok,Line3,REAs,Actions,St3} =
- parse_rules(Xfile, Line2, Macs, St2)
- catch
- exit:{badarg,R} ->
- foo(R),
- io:format(stdout,
- "ERROR reason ~p~n",
- R);
- error:R ->
- foo(R),
- io:format(stdout,
- "ERROR reason ~p~n",
- R)
- after
- foo('after'),
- file:close(Xfile),
- bar(with_long_arg,
- with_second_arg)
- end;
- indent_try_catch() ->
- try foo()
- after
- foo(),
- bar(with_long_arg,
- with_second_arg)
- end.
-
-indent_catch() ->
- D = B +
- float(43.1),
-
- B = catch oskar(X),
-
- A = catch (baz +
- bax),
- catch foo(),
-
- C = catch B +
- float(43.1),
-
- case catch foo(X) of
- A ->
- B
- end,
-
- case
- catch foo(X)
- of
- A ->
- B
- end,
-
- case
- foo(X)
- of
- A ->
- catch B,
- X
- end,
-
- try sune of
- _ -> foo
- catch _:_ -> baf
- end,
-
- try
-sune
- of
- _ ->
- X = 5,
- (catch foo(X)),
- X + 10
- catch _:_ -> baf
- end,
-
- try
- (catch sune)
- of
- _ ->
- catch foo() %% BUGBUG can't handle catch inside try without parentheses
- catch _:_ ->
- baf
- end,
-
- try
-(catch exit())
- catch
-_ ->
- catch baf()
- end,
- ok.
-
-indent_binary() ->
- X = lists:foldr(fun(M) ->
- <<Ma/binary, " ">>
- end, [], A),
- A = <<X/binary, 0:8>>,
- B.
-
-
-indent_comprehensions() ->
-%% I don't have a good idea how we want to handle this
-%% but they are here to show how they are indented today.
-Result1 = [X ||
- #record{a=X} <- lists:seq(1, 10),
- true = (X rem 2)
- ],
-Result2 = [X || <<X:32,_:32>> <= <<0:512>>,
- true = (X rem 2)
- ],
-
-Binary1 = << <<X:8>> ||
- #record{a=X} <- lists:seq(1, 10),
- true = (X rem 2)
- >>,
-
-Binary2 = << <<X:8>> || <<X:32,_:32>> <= <<0:512>>,
- true = (X rem 2)
- >>,
-ok.
-
-%% This causes an error in earlier erlang-mode versions.
-foo() ->
-[#foo{
-foo = foo}].
-
-%% Record indentation
-some_function_with_a_very_long_name() ->
- #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
- field1=a,
- field2=b},
- case dummy_function_with_a_very_very_long_name(x) of
- #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
- field1=a,
- field2=b} ->
- ok;
- Var = #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
- field1=a,
- field2=b} ->
- Var#'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
- field1=a,
- field2=b};
- #xyz{
- a=1,
- b=2} ->
- ok
- end.
-
-another_function_with_a_very_very_long_name() ->
- #rec{
- field1=1,
- field2=1}.
-
-some_function_name_xyz(xyzzy, #some_record{
- field1=Field1,
- field2=Field2}) ->
- SomeVariable = f(#'Some-long-record-name'{
- field_a = 1,
- 'inter-xyz-parameters' =
- #'Some-other-very-long-record-name'{
- field2 = Field1,
- field2 = Field2}}),
- {ok, SomeVariable}.
-
-commas_first() ->
- {abc, [ {some_var, 1}
- , {some_other_var, 2}
- , {erlang_ftw, 9}
- , {erlang_cookie, 'cookie'}
- , {cmds,
- [ {one, "sudo ls"}
- , {one, "sudo ls"}
- , {two, "sudo ls"}
- , {three, "sudo ls"}
- , {four, "sudo ls"}
- , {three, "sudo ls"}
- ] }
- , {ssh_username, "yow"}
- , {cluster,
- [ {aaaa, [ {"10.198.55.12" , "" }
- , {"10.198.55.13" , "" }
- ] }
- , {bbbb, [ {"10.198.55.151", "" }
- , {"10.198.55.123", "" }
- , {"10.198.55.34" , "" }
- , {"10.198.55.85" , "" }
- , {"10.198.55.67" , "" }
- ] }
- , {cccc, [ {"10.198.55.68" , "" }
- , {"10.198.55.69" , "" }
- ] }
- ] }
-]
-}.
-
-
-%% this used to result in a scan-sexp error
-[{
-}].
-
-%% this used to result in 2x the correct indentation within the function
-%% body, due to the function name being mistaken for a keyword
-catcher(N) ->
-try generate_exception(N) of
-Val -> {N, normal, Val}
-catch
-throw:X -> {N, caught, thrown, X};
-exit:X -> {N, caught, exited, X};
-error:X -> {N, caught, error, X}
-end.
diff --git a/lib/tools/src/lcnt.erl b/lib/tools/src/lcnt.erl
index 139b3d8a4a..d0152a4915 100644
--- a/lib/tools/src/lcnt.erl
+++ b/lib/tools/src/lcnt.erl
@@ -218,9 +218,11 @@ raw() -> call(raw).
set(Option, Value) -> call({set, Option, Value}).
set({Option, Value}) -> call({set, Option, Value}).
save(Filename) -> call({save, Filename}).
-load(Filename) -> ok = start_internal(), call({load, Filename}).
+load(Filename) -> call({load, Filename}).
-call(Msg) -> gen_server:call(?MODULE, Msg, infinity).
+call(Msg) ->
+ ok = start_internal(),
+ gen_server:call(?MODULE, Msg, infinity).
%% -------------------------------------------------------------------- %%
%%
@@ -237,7 +239,6 @@ apply(Fun) when is_function(Fun) ->
lcnt:apply(Fun, []).
apply(Fun, As) when is_function(Fun) ->
- ok = start_internal(),
Opt = lcnt:rt_opt({copy_save, true}),
lcnt:clear(),
Res = erlang:apply(Fun, As),
@@ -943,7 +944,7 @@ print_state_information(#state{locks = Locks} = State) ->
print(kv("#tries", s(Stats#stats.tries))),
print(kv("#colls", s(Stats#stats.colls))),
print(kv("wait time", s(Stats#stats.time) ++ " us" ++ " ( " ++ s(Stats#stats.time/1000000) ++ " s)")),
- print(kv("percent of duration", s(Stats#stats.time/State#state.duration*100) ++ " %")),
+ print(kv("percent of duration", s(percent(Stats#stats.time, State#state.duration)) ++ " %")),
ok.
diff --git a/lib/tools/test/emacs_SUITE.erl b/lib/tools/test/emacs_SUITE.erl
index 77a8813db5..f4e78da667 100644
--- a/lib/tools/test/emacs_SUITE.erl
+++ b/lib/tools/test/emacs_SUITE.erl
@@ -23,10 +23,10 @@
-export([all/0, init_per_testcase/2, end_per_testcase/2]).
--export([bif_highlight/1]).
+-export([bif_highlight/1, indent/1]).
-all() ->
- [bif_highlight].
+all() ->
+ [bif_highlight, indent].
init_per_testcase(_Case, Config) ->
ErlangEl = filename:join([code:lib_dir(tools),"emacs","erlang.el"]),
@@ -74,4 +74,69 @@ check_bif_highlight(Bin, Tag, Compare) ->
[] = Compare -- EmacsIntBifs,
[] = EmacsIntBifs -- Compare.
-
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+indent(Config) ->
+ case emacs_version_ok() of
+ false -> {skip, "Old or no emacs found"};
+ true ->
+ Def = filename:dirname(code:which(?MODULE)) ++ "/" ++ ?MODULE_STRING ++ "_data",
+ Dir = proplists:get_value(data_dir, Config, Def),
+ OrigFs = filelib:wildcard(Dir ++ "/*"),
+ io:format("Dir: ~s~nFs: ~p~n", [Dir, OrigFs]),
+ Fs = [{File, unindent(File)} || File <- OrigFs,
+ filename:extension(File) =:= ""],
+ Indent = fun emacs/1,
+ [Indent(File) || {_, File} <- Fs],
+ Res = [diff(Orig, File) || {Orig, File} <- Fs],
+ [file:delete(File) || {ok, File} <- Res], %% Cleanup
+ [] = [Fail || {fail, Fail} <- Res],
+ ok
+ end.
+
+unindent(Input) ->
+ Output = Input ++ ".erl",
+ {ok, Bin} = file:read_file(Input),
+ Lines0 = string:split(Bin, "\n", all),
+ Lines = [string:trim(Line, leading, [$\s,$\t]) || Line <- Lines0],
+ %% io:format("File: ~s lines: ~w~n", [Input, length(Lines0)]),
+ %% [io:format("~s~n", [L]) || L <- Lines],
+ ok = file:write_file(Output, lists:join("\n", Lines)),
+ Output.
+
+diff(Orig, File) ->
+ case os:cmd(["diff ", Orig, " ", File]) of
+ "" -> {ok, File};
+ Diff ->
+ io:format("Fail: ~s vs ~s~n~s~n~n",[Orig, File, Diff]),
+ {fail, File}
+ end.
+
+emacs_version_ok() ->
+ case os:cmd("emacs --version | head -1") of
+ "GNU Emacs " ++ Ver ->
+ case string:to_float(Ver) of
+ {Vsn, _} when Vsn >= 24.1 ->
+ true;
+ _ ->
+ io:format("Emacs version fail~n~s~n~n",[Ver]),
+ false
+ end;
+ Res ->
+ io:format("Emacs version fail~n~s~n~n",[Res]),
+ false
+ end.
+
+emacs(File) ->
+ EmacsErlDir = filename:join([code:lib_dir(tools), "emacs"]),
+ Cmd = ["emacs ",
+ "--batch --quick ",
+ "--directory ", EmacsErlDir, " ",
+ "--eval \"(require 'erlang-start)\" ",
+ File, " ",
+ "--eval '(indent-region (point-min) (point-max) nil)' ",
+ "--eval '(save-buffer 0)'"
+ ],
+ _Res = os:cmd(Cmd),
+ % io:format("cmd ~s:~n=> ~s~n", [Cmd, _Res]),
+ ok.
diff --git a/lib/tools/test/emacs_SUITE_data/comments b/lib/tools/test/emacs_SUITE_data/comments
new file mode 100644
index 0000000000..ff974ca295
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/comments
@@ -0,0 +1,25 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%%% 3 comment chars: always left indented
+%%% 2 comment chars: Context indented
+%%% 1 comment char: Rigth indented
+
+%%% left
+%% context dependent
+ % rigth
+
+func() ->
+%%% left
+ %% context dependent
+ % right indented
+ case get(foo) of
+ undefined ->
+ %% Testing indention
+ ok;
+ %% Catch all
+ Other ->
+ Other
+ end,
+ ok.
+
diff --git a/lib/tools/test/emacs_SUITE_data/comprehensions b/lib/tools/test/emacs_SUITE_data/comprehensions
new file mode 100644
index 0000000000..45279850a5
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/comprehensions
@@ -0,0 +1,47 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%%% indentation of comprehensions
+
+%%% Not everything in these test are set in stone
+%%% better indentation rules can be added but by having
+%%% these tests we can see what changes in new implementations
+%%% and notice when doing unintentional changes
+
+list() ->
+ %% I don't have a good idea how we want to handle this
+ %% but they are here to show how they are indented today.
+ Result1 = [X ||
+ #record{a=X} <- lists:seq(1, 10),
+ true = (X rem 2)
+ ],
+ Result2 = [X || <<X:32,_:32>> <= <<0:512>>,
+ true = (X rem 2)
+ ],
+ Res = [ func(X,
+ arg2)
+ ||
+ #record{a=X} <- lists:seq(1, 10),
+ true = (X rem 2)
+ ],
+ Result1.
+
+binary(B) ->
+ Binary1 = << <<X:8>> ||
+ #record{a=X} <- lists:seq(1, 10),
+ true = (X rem 2)
+ >>,
+
+ Binary2 = << <<X:8>> || <<X:32,_:32>> <= <<0:512>>,
+ true = (X rem 2)
+ >>,
+
+ Bin3 = <<
+ <<
+ X:8,
+ 34:8
+ >>
+ || <<X:32,_:32>> <= <<0:512>>,
+ true = (X rem 2)
+ >>,
+ ok.
diff --git a/lib/tools/test/emacs_SUITE_data/funcs b/lib/tools/test/emacs_SUITE_data/funcs
new file mode 100644
index 0000000000..877f982005
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/funcs
@@ -0,0 +1,174 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%%% Function (and funs) indentation
+
+%%% Not everything in these test are set in stone
+%%% better indentation rules can be added but by having
+%%% these tests we can see what changes in new implementations
+%%% and notice when doing unintentional changes
+
+-export([
+ func1/0,
+ func2/0,
+ a_function_with_a_very_very_long_name/0,
+ when1/2
+ ]).
+
+-compile([nowarn_unused_functions,
+ {inline, [
+ func2/2,
+ func3/2
+ ]
+ }
+ ]).
+
+func1() ->
+ basic.
+
+func2(A1,
+ A2) ->
+ ok.
+
+func3(
+ A1,
+ A2
+ ) ->
+ ok.
+
+%% Okeefe style
+func4(A1
+ ,A2
+ ,A3
+ ) ->
+ ok.
+
+func5(
+ A41
+ ,A42) ->
+ ok.
+
+a_function_with_a_very_very_long_name() ->
+ A00 = #record{
+ field1=1,
+ field2=1
+ },
+ A00.
+
+when1(W1, W2)
+ when is_number(W1),
+ is_number(W2) ->
+ ok.
+
+when2(W1,W2,W3) when
+ W1 > W2,
+ W2 > W3 ->
+ ok.
+
+when3(W1,W2,W3) when
+ W1 > W2,
+ W2 > W3
+ ->
+ ok.
+
+when4(W1,W2,W3)
+ when
+ W1 > W2,
+ W2 > W3 ->
+ ok.
+
+match1({[H|T],
+ Other},
+ M1A2) ->
+ ok.
+
+match2(
+ {
+ [H|T],
+ Other
+ },
+ M2A2
+ ) ->
+ ok.
+
+match3({
+ M3A1,
+ [
+ H |
+ T
+ ],
+ Other
+ },
+ M3A2
+ ) ->
+ ok.
+
+match4(<<
+ M4A:8,
+ M4B:16/unsigned-integer,
+ _/binary
+ >>,
+ M4C) ->
+ ok.
+
+match5(M5A,
+ #record{
+ b=M5B,
+ c=M5C
+ }
+ ) ->
+ ok.
+
+match6(M6A,
+ #{key6a := a6,
+ key6b := b6
+ }) ->
+ ok.
+
+funs(1)
+ when
+ X ->
+ %% Changed fun to one indention level
+ %% 'when' and several clause forces a depth of '4'
+ Var = spawn(fun(X, _)
+ when X == 2;
+ X > 10 ->
+ hello,
+ case Hello() of
+ true when is_atom(X) ->
+ foo;
+ false ->
+ bar
+ end;
+ (Foo) when is_atom(Foo),
+ is_integer(X) ->
+ X = 6 * 45,
+ Y = true andalso
+ kalle
+ end),
+ Var;
+funs(2) ->
+ %% check EEP37 named funs
+ Fn1 = fun
+ Factory(N) when
+ N > 0 ->
+ F = Fact(N-1),
+ N * F;
+ Factory(0) ->
+ 1
+ end,
+ Fn1;
+funs(3) ->
+ %% check anonymous funs too
+ Fn2 = fun(0) ->
+ 1;
+ (N) ->
+ N
+ end,
+ ok;
+funs(4) ->
+ X = lists:foldr(fun(M) ->
+ <<M/binary, " ">>
+ end, [], Z),
+ A = <<X/binary, 0:8>>,
+ A.
diff --git a/lib/tools/test/emacs_SUITE_data/highlight b/lib/tools/test/emacs_SUITE_data/highlight
new file mode 100644
index 0000000000..0719f6516a
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/highlight
@@ -0,0 +1,78 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%%% Open this file in your editor and manually check the colors of
+%%% different types and calls and builtin words
+
+%%% Not everything in these test are set in stone
+%%% better indentation rules can be added but by having
+%%% these tests we can see what changes in new implementations
+%%% and notice when doing unintentional changes
+
+
+highlighting(X) % Function definitions should be highlighted
+ when is_integer(X) -> % and so should `when' and `is_integer' be
+ %% Highlighting
+ %% Various characters (we keep an `atom' after to see that highlighting ends)
+ $a,atom, % Characters should be marked
+ "string",atom, % and strings
+ 'asdasd',atom, % quote should be atoms??
+ 'VaV',atom,
+ 'aVa',atom,
+ '\'atom',atom,
+ 'atom\'',atom,
+ 'at\'om',atom,
+ '#1',atom,
+
+ $", atom, % atom should be ok
+ $', atom,
+
+ "string$", atom, "string$", atom, % currently buggy I know...
+ "string\$", atom, % workaround for bug above
+
+ "char $in string", atom,
+
+ 'atom$', atom, 'atom$', atom,
+ 'atom\$', atom,
+
+ 'char $in atom', atom,
+
+ $[, ${, $\\, atom,
+ ?MACRO_1,
+ ?MACRO_2(foo),
+
+ %% Numerical constants
+ 16#DD, % Should not be highlighted
+ 32#dd, % Should not be highlighted
+ 32#ddAB, % Should not be highlighted
+ 32#101, % Should not be highlighted
+ 32#ABTR, % Should not be highlighted
+
+ %% Variables
+ Variables = lists:foo(),
+ _Variables = lists:foo(),
+ AppSpec = Xyz/2,
+ Module42 = Xyz(foo, bar),
+ Module:foo(),
+ _Module:foo(), %
+ FooÅÅ = lists:reverse([tl,hd,tl,hd]), % Should highlight FooÅÅ
+ _FooÅÅ = 42, % Should highlight _FooÅÅ
+
+ %% Bifs
+ erlang:registered(),
+ registered(),
+ hd(tl(tl(hd([a,b,c])))),
+ erlang:anything(lists),
+ %% Guards
+ is_atom(foo), is_float(2.3), is_integer(32), is_number(4323.3),
+ is_function(Fun), is_pid(self()),
+ not_a_guard:is_list([]),
+ %% Other Types
+
+ atom, % not (currently) hightlighted
+ 234234,
+ 234.43,
+
+ [list, are, not, higlighted],
+ {nor, is, tuple},
+ ok.
diff --git a/lib/tools/test/emacs_SUITE_data/icr b/lib/tools/test/emacs_SUITE_data/icr
new file mode 100644
index 0000000000..8445c1a74d
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/icr
@@ -0,0 +1,157 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%%% indentation of if case receive statements
+
+%%% Not everything in these test are set in stone
+%%% better indentation rules can be added but by having
+%%% these tests we can see what changes in new implementations
+%%% and notice when doing unintentional changes
+
+indent_if(1, Z) ->
+ %% If
+ if Z >= 0 ->
+ X = 43 div Z,
+ X;
+ Z =< 10 ->
+ X = 43 div Z,
+ X;
+ Z == 5 orelse
+ Z == 7 ->
+ X = 43 div Z,
+ X;
+ is_number(Z),
+ Z < 32 ->
+ Z;
+ is_number(Z);
+ Z < 32 ->
+ Z * 32;
+ true ->
+ if_works
+ end;
+indent_if(2, Z) ->
+ %% If
+ if
+ Z >= 0 ->
+ X = 43 div Z,
+ X
+ ; Z =< 10 ->
+ 43 div Z
+ ; Z == 5 orelse
+ Z == 7 ->
+ X = 43 div Z,
+ X
+ ; is_number(Z),
+ Z < 32 ->
+ Z
+ ; true ->
+ if_works
+ end.
+
+indent_case(1, Z) ->
+ %% Case
+ case {Z, foo, bar} of
+ {Z,_,_} ->
+ X = 43 div 4,
+ foo(X);
+ {Z,_,_} when
+ Z =:= 42 -> % line should be indented as a when
+ X = 43 div 4,
+ foo(X);
+ {Z,_,_}
+ when Z < 10 orelse
+ Z =:= foo -> % Binary op alignment here !!!
+ X = 43 div 4,
+ Bool = Z < 5 orelse % Binary op args align differently after when
+ Z =:= foo, % and elsewhere ???
+ foo(X);
+ {Z,_,_}
+ when % when should be indented
+ Z < 10 % and the guards should follow when
+ andalso % unsure about how though
+ true ->
+ X = 43 div 4,
+ foo(X)
+ end;
+indent_case(2, Z) ->
+ %% Case
+ case {Z, foo, bar} of
+ {Z,_,_} ->
+ X = 43 div 4,
+ foo(X)
+ ; {Z,_,_} when
+ Z =:= 42 -> % line should be indented as a when
+ X = 43 div 4,
+ foo(X)
+ ; {Z,_,_}
+ when Z < 10 -> % when should be indented
+ X = 43 div 4,
+ foo(X)
+ ; {Z,_,_}
+ when % when should be indented
+ Z < 10 % and the guards should follow when
+ andalso % unsure about how though
+ true ->
+ X = 43 div 4,
+ foo(X)
+ end.
+
+indent_begin(Z) ->
+ %% Begin
+ begin
+ sune,
+ Z = 74234 +
+ foo(8456) +
+ 345 div 43,
+ Foo = begin
+ ok,
+ foo(234),
+ begin
+ io:format("Down here\n")
+ end
+ end,
+ {Foo,
+ bar}
+ end.
+
+indent_receive(1) ->
+ %% receive
+ receive
+ {Z,_,_} ->
+ X = 43 div 4,
+ foo(X)
+ ; Z ->
+ X = 43 div 4,
+ foo(X)
+ end,
+ ok;
+indent_receive(2) ->
+ receive
+ {Z,_,_} ->
+ X = 43 div 4,
+ foo(X);
+ Z % added clause
+ when Z =:= 1 -> % This line should be indented by 2
+ X = 43 div 4,
+ foo(X);
+ Z when % added clause
+ Z =:= 2 -> % This line should be indented by 2
+ X = 43 div 4,
+ foo(X);
+ Z ->
+ X = 43 div 4,
+ foo(X)
+ after infinity ->
+ foo(X),
+ asd(X),
+ 5*43
+ end,
+ ok;
+indent_receive() ->
+ receive
+ after 10 ->
+ foo(X),
+ asd(X),
+ 5*43
+ end,
+ ok.
diff --git a/lib/tools/test/emacs_SUITE_data/macros b/lib/tools/test/emacs_SUITE_data/macros
new file mode 100644
index 0000000000..6c874e9187
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/macros
@@ -0,0 +1,31 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%%% Macros should be indented as code
+
+-define(M0, ok).
+
+-define(M1,
+ case X of
+ undefined -> error;
+ _ -> ok
+ end).
+
+-define(M2(M2A1,
+ M2A2),
+ func(M2A1,
+ M2A2)
+ ).
+
+-define(
+ M3,
+ undefined
+ ).
+
+-ifdef(DEBUG).
+-define(LOG,
+ logger:log(?MODULE,?LINE)
+ ).
+-else().
+-define(LOG, ok).
+-endif().
diff --git a/lib/tools/test/emacs_SUITE_data/records b/lib/tools/test/emacs_SUITE_data/records
new file mode 100644
index 0000000000..241582718c
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/records
@@ -0,0 +1,35 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%% Test that records are indented correctly
+
+-record(record0,
+ {
+ r0a,
+ r0b,
+ r0c
+ }).
+
+-record(record1, {r1a,
+ r1b,
+ r1c
+ }).
+
+-record(record2, {
+ r2a,
+ r2b
+ }).
+
+-record(record3, {r3a = 8#42423 bor
+ 8#4234,
+ r3b = 8#5432
+ bor 2#1010101,
+ r3c = 123 +
+ 234,
+ r3d}).
+
+-record(record5,
+ { r5a = 1 :: integer()
+ , r5b = foobar :: atom()
+ }).
+
diff --git a/lib/tools/test/emacs_SUITE_data/terms b/lib/tools/test/emacs_SUITE_data/terms
new file mode 100644
index 0000000000..352364a73c
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/terms
@@ -0,0 +1,174 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%%% indentation of terms contain builtin types
+
+%%% Not everything in these test are set in stone
+%%% better indentation rules can be added but by having
+%%% these tests we can see what changes in new implementations
+%%% and notice when doing unintentional changes
+
+
+list(1) ->
+ [a,
+ b,
+ c
+ ];
+list(2) ->
+ [ a,
+ b, c
+ ];
+list(3) ->
+ [
+ a,
+ b, c
+ ];
+list(4) ->
+ [ a
+ , b
+ , c
+ ].
+
+tuple(1) ->
+ {a,
+ b,c
+ };
+tuple(2) ->
+ { a,
+ b,c
+ };
+tuple(3) ->
+ {
+ a,
+ b,c
+ };
+tuple(4) ->
+ { a
+ , b
+ ,c
+ }.
+
+binary(1) ->
+ <<1:8,
+ 2:8
+ >>;
+binary(2) ->
+ <<
+ 1:8,
+ 2:8
+ >>;
+binary(3) ->
+ << 1:8,
+ 2:8
+ >>;
+binary(4) ->
+ <<
+ 1:8
+ ,2:8
+ >>;
+binary(5) ->
+ << 1:8
+ , 2:8
+ >>.
+
+record(1) ->
+ #record{a=1,
+ b=2
+ };
+record(2) ->
+ #record{ a=1,
+ b=2
+ };
+record(3) ->
+ #record{
+ a=1,
+ b=2
+ };
+record(4) ->
+ #record{
+ a=1
+ ,b=2
+ };
+record(Record) ->
+ Record#record{
+ a=1
+ ,b=2
+ }.
+
+map(1) ->
+ #{a=>1,
+ b=>2
+ };
+map(2) ->
+ #{ a=>1,
+ b=>2
+ };
+map(3) ->
+ #{
+ a=>1,
+ b=>2
+ };
+map(4) ->
+ #{
+ a => <<"a">>
+ ,b => 2
+ };
+map(MapVar) ->
+ MapVar = #{a :=<<"a">>
+ ,b:=1}.
+
+deep(Rec) ->
+ Rec#rec{ atom = 'atom',
+ map = #{ k1 => {v,
+ 1},
+ k2 => [
+ 1,
+ 2,
+ 3
+ ],
+ {key,
+ 3}
+ =>
+ <<
+ 123:8,
+ 255:8
+ >>
+ }
+ }.
+
+%% Record indentation
+some_function_with_a_very_long_name() ->
+ #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b},
+ case dummy_function_with_a_very_very_long_name(x) of
+ #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b} ->
+ ok;
+ Var = #'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b} ->
+ Var#'a-long-record-name-like-it-sometimes-is-with-asn.1-records'{
+ field1=a,
+ field2=b};
+ #xyz{
+ a=1,
+ b=2} ->
+ ok
+ end.
+
+some_function_name_xyz(xyzzy, #some_record{
+ field1=Field1,
+ field2=Field2}) ->
+ SomeVariable = f(#'Some-long-record-name'{
+ field_a = 1,
+ 'inter-xyz-parameters' =
+ #'Some-other-very-long-record-name'{
+ field2 = Field1,
+ field2 = Field2}}),
+ {ok, SomeVariable}.
+
+foo() ->
+ [#foo{
+ foo = foo}].
diff --git a/lib/tools/test/emacs_SUITE_data/try_catch b/lib/tools/test/emacs_SUITE_data/try_catch
new file mode 100644
index 0000000000..0005b2003a
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/try_catch
@@ -0,0 +1,166 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%%% Try and catch indentation is hard
+
+%%% Not everything in these test are set in stone
+%%% better indentation rules can be added but by having
+%%% these tests we can see what changes in new implementations
+%%% and notice when doing unintentional changes
+
+try_catch() ->
+ try
+ io:format(stdout, "Parsing file ~s, ",
+ [St0#leex.xfile]),
+ {ok,Line3,REAs,Actions,St3} =
+ parse_rules(Xfile, Line2, Macs, St2)
+ catch
+ exit:{badarg,R} ->
+ foo(R),
+ io:format(stdout,
+ "ERROR reason ~p~n",
+ R);
+ error:R
+ when R =:= 42 -> % when should be indented
+ foo(R);
+ error:R
+ when % when should be indented
+ R =:= 42 -> % but unsure about this (maybe 2 more)
+ foo(R);
+ error:R when
+ R =:= foo -> % line should be 2 indented (works)
+ foo(R);
+ error:R ->
+ foo(R),
+ io:format(stdout,
+ "ERROR reason ~p~n",
+ R)
+ after
+ foo('after'),
+ file:close(Xfile)
+ end;
+try_catch() ->
+ try
+ foo(bar)
+ of
+ X when true andalso
+ kalle ->
+ io:format(stdout, "Parsing file ~s, ",
+ [St0#leex.xfile]),
+ {ok,Line3,REAs,Actions,St3} =
+ parse_rules(Xfile, Line2, Macs, St2);
+ X
+ when false andalso % when should be 2 indented
+ bengt ->
+ gurka();
+ X when
+ false andalso % line should be 2 indented
+ not bengt ->
+ gurka();
+ X ->
+ io:format(stdout, "Parsing file ~s, ",
+ [St0#leex.xfile]),
+ {ok,Line3,REAs,Actions,St3} =
+ parse_rules(Xfile, Line2, Macs, St2)
+ catch
+ exit:{badarg,R} ->
+ foo(R),
+ io:format(stdout,
+ "ERROR reason ~p~n",
+ R);
+ error:R ->
+ foo(R),
+ io:format(stdout,
+ "ERROR reason ~p~n",
+ R)
+ after
+ foo('after'),
+ file:close(Xfile),
+ bar(with_long_arg,
+ with_second_arg)
+ end;
+try_catch() ->
+ try foo()
+ after
+ foo(),
+ bar(with_long_arg,
+ with_second_arg)
+ end.
+
+indent_catch() ->
+ D = B +
+ float(43.1),
+
+ B = catch oskar(X),
+
+ A = catch (baz +
+ bax),
+ catch foo(),
+
+ C = catch B +
+ float(43.1),
+
+ case catch foo(X) of
+ A ->
+ B
+ end,
+
+ case
+ catch foo(X)
+ of
+ A ->
+ B
+ end,
+
+ case
+ foo(X)
+ of
+ A ->
+ catch B,
+ X
+ end,
+
+ try sune of
+ _ -> foo
+ catch _:_ -> baf
+ end,
+
+ Variable = try
+ sune
+ of
+ _ ->
+ X = 5,
+ (catch foo(X)),
+ X + 10
+ catch _:_ -> baf
+ after cleanup()
+ end,
+
+ try
+ (catch sune)
+ of
+ _ ->
+ foo1(),
+ catch foo() %% BUGBUG can't handle catch inside try without parentheses
+ catch _:_ ->
+ baf
+ end,
+
+ try
+ (catch exit())
+ catch
+ _ ->
+ catch baf()
+ end,
+ ok.
+
+%% this used to result in 2x the correct indentation within the function
+%% body, due to the function name being mistaken for a keyword
+catcher(N) ->
+ try generate_exception(N) of
+ Val -> {N, normal, Val}
+ catch
+ throw:X -> {N, caught, thrown, X};
+ exit:X -> {N, caught, exited, X};
+ error:X -> {N, caught, error, X}
+ end.
diff --git a/lib/tools/test/emacs_SUITE_data/type_specs b/lib/tools/test/emacs_SUITE_data/type_specs
new file mode 100644
index 0000000000..e71841cc7a
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE_data/type_specs
@@ -0,0 +1,110 @@
+%% -*- Mode: erlang; indent-tabs-mode: nil -*-
+%% Copyright Ericsson AB 2017. All Rights Reserved.
+
+%% Tests how types and specs are indented (also that the editor can parse them)
+%% May need improvements
+
+
+-type ann() :: Var :: integer().
+-type ann2() ::
+ 'return'
+ | 'return_white_spaces'
+ | 'return_comments'
+ | 'text' | ann().
+-type paren() ::
+ (ann2()).
+
+-type t6() ::
+ 1 | 2 | 3 |
+ 'foo'
+ | 'bar'.
+
+-type t8() :: {any(),none(),pid(),port(),
+ reference(),float()}.
+
+-type t14() :: [erl_scan:foo() |
+ %% Should be highlighted
+ term() |
+ boolean() |
+ byte() |
+ char() |
+ non_neg_integer() | nonempty_list() |
+ pos_integer() |
+ neg_integer() |
+ number() |
+ list() |
+ nonempty_improper_list() | nonempty_maybe_improper_list() |
+ maybe_improper_list() | string() | iolist() | byte() |
+ module() |
+ mfa() |
+ node() |
+ timeout() |
+ no_return() |
+ %% Should not be highlighted
+ nonempty_() | nonlist() |
+ erl_scan:bar(34, 92) | t13() | m:f(integer() | <<_:_*16>>)].
+
+-type t15() :: {binary(),<<>>,<<_:34>>,<<_:_*42>>,
+ <<_:3,_:_*14>>,<<>>} | [<<>>|<<_:34>>|<<_:16>>|
+ <<_:3,_:_*1472>>|<<_:19,_:_*14>>| <<_:34>>|
+ <<_:34>>|<<_:34>>|<<_:34>>].
+
+-type t18() ::
+ fun(() -> t17() | t16()).
+-type t19() ::
+ fun((t18()) -> t16()) |
+ fun((nonempty_maybe_improper_list('integer', any())|
+ 1|2|3|a|b|<<_:3,_:_*14>>|integer())
+ ->
+ nonempty_maybe_improper_list('integer', any())| %% left to col 16?
+ 1|2|3|a|b|<<_:3,_:_*14>>|integer()). %% left to col 16?
+-type t20() :: [t19(), ...].
+-type t25() :: #rec3{f123 :: [t24() |
+ 1|2|3|4|a|b|c|d|
+ nonempty_maybe_improper_list(integer, any())]}.
+-type t26() :: #rec4{ a :: integer()
+ , b :: any()
+ }.
+
+%% Spec
+
+-spec t1(FooBar :: t99()) -> t99();
+ (t2()) -> t2();
+ (t4()) -> t4() when is_subtype(t4(), t24);
+ (t23()) -> t23() when is_subtype(t23(), atom()),
+ is_subtype(t23(), t14());
+ (t24()) -> t24() when is_subtype(t24(), atom()),
+ is_subtype(t24(), t14()),
+ is_subtype(t24(), t4()).
+
+-spec over(I :: integer()) -> R1 :: foo:typen();
+ (A :: atom()) -> R2 :: foo:atomen();
+ (T :: tuple()) -> R3 :: bar:typen().
+
+-spec mod:t2() -> any().
+
+-spec handle_cast(Cast :: {'exchange', node(), [[name(),...]]}
+ | {'del_member', name(), pid()},
+ #state{}) -> {'noreply', #state{}}.
+
+-spec handle_cast(Cast ::
+ {'exchange', node(), [[name(),...]]}
+ | {'del_member', name(), pid()},
+ #state{}) ->
+ {'noreply', #state{}}. %% left to col 10?
+
+-spec all(fun((T) -> boolean()), List :: [T]) ->
+ boolean() when is_subtype(T, term()). % (*)
+
+-spec get_closest_pid(term()) ->
+ Return :: pid() %% left to col 10?
+ | {'error', {'no_process', term()}} %% left to col 10?
+ | {'no_such_group', term()}. %% left to col 10?
+
+-spec add( X :: integer()
+ , Y :: integer()
+ ) -> integer().
+
+-opaque attributes_data() ::
+ [{'column', column()} | {'line', info_line()} |
+ {'text', string()}] | {line(),column()}.
diff --git a/lib/tools/test/lcnt_SUITE.erl b/lib/tools/test/lcnt_SUITE.erl
index 146c915087..a79572a742 100644
--- a/lib/tools/test/lcnt_SUITE.erl
+++ b/lib/tools/test/lcnt_SUITE.erl
@@ -30,6 +30,8 @@
t_conflicts/1,
t_locations/1,
t_swap_keys/1,
+ t_implicit_start/1,
+ t_crash_before_collect/1,
smoke_lcnt/1]).
init_per_testcase(_Case, Config) ->
@@ -44,8 +46,8 @@ suite() ->
{timetrap,{minutes,4}}].
all() ->
- [t_load, t_conflicts, t_locations, t_swap_keys,
- smoke_lcnt].
+ [t_load, t_conflicts, t_locations, t_swap_keys, t_implicit_start,
+ t_crash_before_collect, smoke_lcnt].
%%----------------------------------------------------------------------
%% Tests
@@ -149,6 +151,15 @@ t_swap_keys_file([File|Files]) ->
ok = lcnt:stop(),
t_swap_keys_file(Files).
+%% Prior to OTP-14913 this would crash with 'noproc' as the lcnt server hadn't
+%% been started yet.
+t_implicit_start(Config) when is_list(Config) ->
+ ok = lcnt:conflicts().
+
+t_crash_before_collect(Config) when is_list(Config) ->
+ {ok, _} = lcnt:start(),
+ ok = lcnt:information().
+
%% Simple smoke test of actual lock-counting, if running on
%% a run-time with lock-counting enabled.
smoke_lcnt(Config) ->
diff --git a/otp_versions.table b/otp_versions.table
index 2e1052264d..b976962c1e 100644
--- a/otp_versions.table
+++ b/otp_versions.table
@@ -1,3 +1,5 @@
+OTP-20.2.4 : ssh-4.6.5 # asn1-5.0.4 common_test-1.15.3 compiler-7.1.4 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2 debugger-4.2.4 dialyzer-3.2.3 diameter-2.1.3 edoc-0.9.2 eldap-1.2.3 erl_docgen-0.7.2 erl_interface-3.10.1 erts-9.2.1 et-1.6.1 eunit-2.3.5 hipe-3.17 ic-4.4.3 inets-6.4.5 jinterface-1.8.1 kernel-5.4.2 megaco-3.18.3 mnesia-4.15.3 observer-2.6 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 reltool-0.7.5 runtime_tools-1.12.4 sasl-3.1.1 snmp-5.2.9 ssl-8.2.3 stdlib-3.4.3 syntax_tools-2.1.4 tools-2.11.1 wx-1.8.3 xmerl-1.3.16 :
+OTP-20.2.3 : erts-9.2.1 kernel-5.4.2 runtime_tools-1.12.4 # asn1-5.0.4 common_test-1.15.3 compiler-7.1.4 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2 debugger-4.2.4 dialyzer-3.2.3 diameter-2.1.3 edoc-0.9.2 eldap-1.2.3 erl_docgen-0.7.2 erl_interface-3.10.1 et-1.6.1 eunit-2.3.5 hipe-3.17 ic-4.4.3 inets-6.4.5 jinterface-1.8.1 megaco-3.18.3 mnesia-4.15.3 observer-2.6 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 reltool-0.7.5 sasl-3.1.1 snmp-5.2.9 ssh-4.6.4 ssl-8.2.3 stdlib-3.4.3 syntax_tools-2.1.4 tools-2.11.1 wx-1.8.3 xmerl-1.3.16 :
OTP-20.2.2 : mnesia-4.15.3 # asn1-5.0.4 common_test-1.15.3 compiler-7.1.4 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2 debugger-4.2.4 dialyzer-3.2.3 diameter-2.1.3 edoc-0.9.2 eldap-1.2.3 erl_docgen-0.7.2 erl_interface-3.10.1 erts-9.2 et-1.6.1 eunit-2.3.5 hipe-3.17 ic-4.4.3 inets-6.4.5 jinterface-1.8.1 kernel-5.4.1 megaco-3.18.3 observer-2.6 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 reltool-0.7.5 runtime_tools-1.12.3 sasl-3.1.1 snmp-5.2.9 ssh-4.6.4 ssl-8.2.3 stdlib-3.4.3 syntax_tools-2.1.4 tools-2.11.1 wx-1.8.3 xmerl-1.3.16 :
OTP-20.2.1 : ssh-4.6.4 # asn1-5.0.4 common_test-1.15.3 compiler-7.1.4 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2 debugger-4.2.4 dialyzer-3.2.3 diameter-2.1.3 edoc-0.9.2 eldap-1.2.3 erl_docgen-0.7.2 erl_interface-3.10.1 erts-9.2 et-1.6.1 eunit-2.3.5 hipe-3.17 ic-4.4.3 inets-6.4.5 jinterface-1.8.1 kernel-5.4.1 megaco-3.18.3 mnesia-4.15.2 observer-2.6 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 reltool-0.7.5 runtime_tools-1.12.3 sasl-3.1.1 snmp-5.2.9 ssl-8.2.3 stdlib-3.4.3 syntax_tools-2.1.4 tools-2.11.1 wx-1.8.3 xmerl-1.3.16 :
OTP-20.2 : asn1-5.0.4 common_test-1.15.3 compiler-7.1.4 cosEvent-2.2.2 cosEventDomain-1.2.2 cosFileTransfer-1.2.2 cosNotification-1.2.3 cosProperty-1.2.3 cosTime-1.2.3 cosTransactions-1.3.3 crypto-4.2 debugger-4.2.4 dialyzer-3.2.3 diameter-2.1.3 edoc-0.9.2 eldap-1.2.3 erl_docgen-0.7.2 erl_interface-3.10.1 erts-9.2 eunit-2.3.5 hipe-3.17 ic-4.4.3 inets-6.4.5 jinterface-1.8.1 kernel-5.4.1 megaco-3.18.3 mnesia-4.15.2 observer-2.6 odbc-2.12.1 orber-3.8.4 os_mon-2.4.4 otp_mibs-1.1.2 parsetools-2.1.6 public_key-1.5.2 runtime_tools-1.12.3 sasl-3.1.1 snmp-5.2.9 ssh-4.6.3 ssl-8.2.3 stdlib-3.4.3 syntax_tools-2.1.4 tools-2.11.1 wx-1.8.3 xmerl-1.3.16 # et-1.6.1 reltool-0.7.5 :
@@ -16,6 +18,7 @@ OTP-20.0.3 : asn1-5.0.2 compiler-7.1.1 erts-9.0.3 ssh-4.5.1 # common_test-1.15.1
OTP-20.0.2 : asn1-5.0.1 erts-9.0.2 kernel-5.3.1 # common_test-1.15.1 compiler-7.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.2 cosTime-1.2.2 cosTransactions-1.3.2 crypto-4.0 debugger-4.2.2 dialyzer-3.2 diameter-2.0 edoc-0.9 eldap-1.2.2 erl_docgen-0.7 erl_interface-3.10 et-1.6 eunit-2.3.3 hipe-3.16 ic-4.4.2 inets-6.4 jinterface-1.8 megaco-3.18.2 mnesia-4.15 observer-2.4 odbc-2.12 orber-3.8.3 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.5 public_key-1.4.1 reltool-0.7.4 runtime_tools-1.12.1 sasl-3.0.4 snmp-5.2.6 ssh-4.5 ssl-8.2 stdlib-3.4.1 syntax_tools-2.1.2 tools-2.10.1 wx-1.8.1 xmerl-1.3.15 :
OTP-20.0.1 : common_test-1.15.1 erts-9.0.1 runtime_tools-1.12.1 stdlib-3.4.1 tools-2.10.1 # asn1-5.0 compiler-7.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.2 cosTime-1.2.2 cosTransactions-1.3.2 crypto-4.0 debugger-4.2.2 dialyzer-3.2 diameter-2.0 edoc-0.9 eldap-1.2.2 erl_docgen-0.7 erl_interface-3.10 et-1.6 eunit-2.3.3 hipe-3.16 ic-4.4.2 inets-6.4 jinterface-1.8 kernel-5.3 megaco-3.18.2 mnesia-4.15 observer-2.4 odbc-2.12 orber-3.8.3 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.5 public_key-1.4.1 reltool-0.7.4 sasl-3.0.4 snmp-5.2.6 ssh-4.5 ssl-8.2 syntax_tools-2.1.2 wx-1.8.1 xmerl-1.3.15 :
OTP-20.0 : asn1-5.0 common_test-1.15 compiler-7.1 cosProperty-1.2.2 crypto-4.0 debugger-4.2.2 dialyzer-3.2 diameter-2.0 edoc-0.9 erl_docgen-0.7 erl_interface-3.10 erts-9.0 eunit-2.3.3 hipe-3.16 inets-6.4 jinterface-1.8 kernel-5.3 megaco-3.18.2 mnesia-4.15 observer-2.4 orber-3.8.3 parsetools-2.1.5 public_key-1.4.1 reltool-0.7.4 runtime_tools-1.12 sasl-3.0.4 snmp-5.2.6 ssh-4.5 ssl-8.2 stdlib-3.4 syntax_tools-2.1.2 tools-2.10 wx-1.8.1 xmerl-1.3.15 # cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosTime-1.2.2 cosTransactions-1.3.2 eldap-1.2.2 et-1.6 ic-4.4.2 odbc-2.12 os_mon-2.4.2 otp_mibs-1.1.1 :
+OTP-19.3.6.6 : ssh-4.4.2.2 ssl-8.1.3.1.1 # asn1-4.0.4 common_test-1.14 compiler-7.0.4.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7.4 debugger-4.2.1 dialyzer-3.1.1 diameter-1.12.2 edoc-0.8.1 eldap-1.2.2 erl_docgen-0.6.1 erl_interface-3.9.3 erts-8.3.5.4 et-1.6 eunit-2.3.2 gs-1.6.2 hipe-3.15.4 ic-4.4.2 inets-6.3.9 jinterface-1.7.1 kernel-5.2 megaco-3.18.1 mnesia-4.14.3.1 observer-2.3.1 odbc-2.12 orber-3.8.2 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.4 percept-0.9 public_key-1.4 reltool-0.7.3 runtime_tools-1.11.1 sasl-3.0.3 snmp-5.2.5 stdlib-3.3 syntax_tools-2.1.1 tools-2.9.1 typer-0.9.12 wx-1.8 xmerl-1.3.14 :
OTP-19.3.6.5 : erts-8.3.5.4 mnesia-4.14.3.1 ssh-4.4.2.1 # asn1-4.0.4 common_test-1.14 compiler-7.0.4.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7.4 debugger-4.2.1 dialyzer-3.1.1 diameter-1.12.2 edoc-0.8.1 eldap-1.2.2 erl_docgen-0.6.1 erl_interface-3.9.3 et-1.6 eunit-2.3.2 gs-1.6.2 hipe-3.15.4 ic-4.4.2 inets-6.3.9 jinterface-1.7.1 kernel-5.2 megaco-3.18.1 observer-2.3.1 odbc-2.12 orber-3.8.2 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.4 percept-0.9 public_key-1.4 reltool-0.7.3 runtime_tools-1.11.1 sasl-3.0.3 snmp-5.2.5 ssl-8.1.3.1 stdlib-3.3 syntax_tools-2.1.1 tools-2.9.1 typer-0.9.12 wx-1.8 xmerl-1.3.14 :
OTP-19.3.6.4 : ssl-8.1.3.1 # asn1-4.0.4 common_test-1.14 compiler-7.0.4.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7.4 debugger-4.2.1 dialyzer-3.1.1 diameter-1.12.2 edoc-0.8.1 eldap-1.2.2 erl_docgen-0.6.1 erl_interface-3.9.3 erts-8.3.5.3 et-1.6 eunit-2.3.2 gs-1.6.2 hipe-3.15.4 ic-4.4.2 inets-6.3.9 jinterface-1.7.1 kernel-5.2 megaco-3.18.1 mnesia-4.14.3 observer-2.3.1 odbc-2.12 orber-3.8.2 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.4 percept-0.9 public_key-1.4 reltool-0.7.3 runtime_tools-1.11.1 sasl-3.0.3 snmp-5.2.5 ssh-4.4.2 stdlib-3.3 syntax_tools-2.1.1 tools-2.9.1 typer-0.9.12 wx-1.8 xmerl-1.3.14 :
OTP-19.3.6.3 : compiler-7.0.4.1 erts-8.3.5.3 # asn1-4.0.4 common_test-1.14 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7.4 debugger-4.2.1 dialyzer-3.1.1 diameter-1.12.2 edoc-0.8.1 eldap-1.2.2 erl_docgen-0.6.1 erl_interface-3.9.3 et-1.6 eunit-2.3.2 gs-1.6.2 hipe-3.15.4 ic-4.4.2 inets-6.3.9 jinterface-1.7.1 kernel-5.2 megaco-3.18.1 mnesia-4.14.3 observer-2.3.1 odbc-2.12 orber-3.8.2 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.4 percept-0.9 public_key-1.4 reltool-0.7.3 runtime_tools-1.11.1 sasl-3.0.3 snmp-5.2.5 ssh-4.4.2 ssl-8.1.3 stdlib-3.3 syntax_tools-2.1.1 tools-2.9.1 typer-0.9.12 wx-1.8 xmerl-1.3.14 :
@@ -49,6 +52,7 @@ OTP-19.0.3 : inets-6.3.2 kernel-5.0.1 ssl-8.0.1 # asn1-4.0.3 common_test-1.12.2
OTP-19.0.2 : compiler-7.0.1 erts-8.0.2 stdlib-3.0.1 # asn1-4.0.3 common_test-1.12.2 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7 debugger-4.2 dialyzer-3.0.1 diameter-1.12 edoc-0.7.19 eldap-1.2.2 erl_docgen-0.5 erl_interface-3.9 et-1.6 eunit-2.3 gs-1.6.1 hipe-3.15.1 ic-4.4.1 inets-6.3.1 jinterface-1.7 kernel-5.0 megaco-3.18.1 mnesia-4.14 observer-2.2.1 odbc-2.11.2 orber-3.8.2 os_mon-2.4.1 otp_mibs-1.1.1 parsetools-2.1.2 percept-0.9 public_key-1.2 reltool-0.7.1 runtime_tools-1.10 sasl-3.0 snmp-5.2.3 ssh-4.3.1 ssl-8.0 syntax_tools-2.0 tools-2.8.5 typer-0.9.11 wx-1.7 xmerl-1.3.11 :
OTP-19.0.1 : dialyzer-3.0.1 erts-8.0.1 inets-6.3.1 observer-2.2.1 ssh-4.3.1 tools-2.8.5 # asn1-4.0.3 common_test-1.12.2 compiler-7.0 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7 debugger-4.2 diameter-1.12 edoc-0.7.19 eldap-1.2.2 erl_docgen-0.5 erl_interface-3.9 et-1.6 eunit-2.3 gs-1.6.1 hipe-3.15.1 ic-4.4.1 jinterface-1.7 kernel-5.0 megaco-3.18.1 mnesia-4.14 odbc-2.11.2 orber-3.8.2 os_mon-2.4.1 otp_mibs-1.1.1 parsetools-2.1.2 percept-0.9 public_key-1.2 reltool-0.7.1 runtime_tools-1.10 sasl-3.0 snmp-5.2.3 ssl-8.0 stdlib-3.0 syntax_tools-2.0 typer-0.9.11 wx-1.7 xmerl-1.3.11 :
OTP-19.0 : asn1-4.0.3 common_test-1.12.2 compiler-7.0 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.1 cosTime-1.2.2 cosTransactions-1.3.2 crypto-3.7 debugger-4.2 dialyzer-3.0 diameter-1.12 edoc-0.7.19 eldap-1.2.2 erl_docgen-0.5 erl_interface-3.9 erts-8.0 et-1.6 eunit-2.3 gs-1.6.1 hipe-3.15.1 ic-4.4.1 inets-6.3 jinterface-1.7 kernel-5.0 megaco-3.18.1 mnesia-4.14 observer-2.2 odbc-2.11.2 orber-3.8.2 os_mon-2.4.1 otp_mibs-1.1.1 parsetools-2.1.2 percept-0.9 public_key-1.2 reltool-0.7.1 runtime_tools-1.10 sasl-3.0 snmp-5.2.3 ssh-4.3 ssl-8.0 stdlib-3.0 syntax_tools-2.0 tools-2.8.4 typer-0.9.11 wx-1.7 xmerl-1.3.11 # :
+OTP-18.3.4.8 : ssh-4.2.2.5 # asn1-4.0.2 common_test-1.12.1.1 compiler-6.0.3.1 cosEvent-2.2 cosEventDomain-1.2 cosFileTransfer-1.2 cosNotification-1.2.1 cosProperty-1.2 cosTime-1.2.1 cosTransactions-1.3.1 crypto-3.6.3.1 debugger-4.1.2 dialyzer-2.9 diameter-1.11.2 edoc-0.7.18 eldap-1.2.1.1 erl_docgen-0.4.2 erl_interface-3.8.2 erts-7.3.1.4 et-1.5.1 eunit-2.2.13 gs-1.6 hipe-3.15 ic-4.4 inets-6.2.4.1 jinterface-1.6.1 kernel-4.2 megaco-3.18 mnesia-4.13.4 observer-2.1.2 odbc-2.11.1 orber-3.8.1 os_mon-2.4 ose-1.1 otp_mibs-1.1 parsetools-2.1.1 percept-0.8.11 public_key-1.1.1 reltool-0.7 runtime_tools-1.9.3 sasl-2.7 snmp-5.2.2 ssl-7.3.3.2 stdlib-2.8 syntax_tools-1.7 test_server-3.10 tools-2.8.3 typer-0.9.10 webtool-0.9.1 wx-1.6.1 xmerl-1.3.10 :
OTP-18.3.4.7 : ssl-7.3.3.2 # asn1-4.0.2 common_test-1.12.1.1 compiler-6.0.3.1 cosEvent-2.2 cosEventDomain-1.2 cosFileTransfer-1.2 cosNotification-1.2.1 cosProperty-1.2 cosTime-1.2.1 cosTransactions-1.3.1 crypto-3.6.3.1 debugger-4.1.2 dialyzer-2.9 diameter-1.11.2 edoc-0.7.18 eldap-1.2.1.1 erl_docgen-0.4.2 erl_interface-3.8.2 erts-7.3.1.4 et-1.5.1 eunit-2.2.13 gs-1.6 hipe-3.15 ic-4.4 inets-6.2.4.1 jinterface-1.6.1 kernel-4.2 megaco-3.18 mnesia-4.13.4 observer-2.1.2 odbc-2.11.1 orber-3.8.1 os_mon-2.4 ose-1.1 otp_mibs-1.1 parsetools-2.1.1 percept-0.8.11 public_key-1.1.1 reltool-0.7 runtime_tools-1.9.3 sasl-2.7 snmp-5.2.2 ssh-4.2.2.4 stdlib-2.8 syntax_tools-1.7 test_server-3.10 tools-2.8.3 typer-0.9.10 webtool-0.9.1 wx-1.6.1 xmerl-1.3.10 :
OTP-18.3.4.6 : compiler-6.0.3.1 eldap-1.2.1.1 erts-7.3.1.4 ssh-4.2.2.4 # asn1-4.0.2 common_test-1.12.1.1 cosEvent-2.2 cosEventDomain-1.2 cosFileTransfer-1.2 cosNotification-1.2.1 cosProperty-1.2 cosTime-1.2.1 cosTransactions-1.3.1 crypto-3.6.3.1 debugger-4.1.2 dialyzer-2.9 diameter-1.11.2 edoc-0.7.18 erl_docgen-0.4.2 erl_interface-3.8.2 et-1.5.1 eunit-2.2.13 gs-1.6 hipe-3.15 ic-4.4 inets-6.2.4.1 jinterface-1.6.1 kernel-4.2 megaco-3.18 mnesia-4.13.4 observer-2.1.2 odbc-2.11.1 orber-3.8.1 os_mon-2.4 ose-1.1 otp_mibs-1.1 parsetools-2.1.1 percept-0.8.11 public_key-1.1.1 reltool-0.7 runtime_tools-1.9.3 sasl-2.7 snmp-5.2.2 ssl-7.3.3.1 stdlib-2.8 syntax_tools-1.7 test_server-3.10 tools-2.8.3 typer-0.9.10 webtool-0.9.1 wx-1.6.1 xmerl-1.3.10 :
OTP-18.3.4.5 : crypto-3.6.3.1 erts-7.3.1.3 inets-6.2.4.1 ssh-4.2.2.3 # asn1-4.0.2 common_test-1.12.1.1 compiler-6.0.3 cosEvent-2.2 cosEventDomain-1.2 cosFileTransfer-1.2 cosNotification-1.2.1 cosProperty-1.2 cosTime-1.2.1 cosTransactions-1.3.1 debugger-4.1.2 dialyzer-2.9 diameter-1.11.2 edoc-0.7.18 eldap-1.2.1 erl_docgen-0.4.2 erl_interface-3.8.2 et-1.5.1 eunit-2.2.13 gs-1.6 hipe-3.15 ic-4.4 jinterface-1.6.1 kernel-4.2 megaco-3.18 mnesia-4.13.4 observer-2.1.2 odbc-2.11.1 orber-3.8.1 os_mon-2.4 ose-1.1 otp_mibs-1.1 parsetools-2.1.1 percept-0.8.11 public_key-1.1.1 reltool-0.7 runtime_tools-1.9.3 sasl-2.7 snmp-5.2.2 ssl-7.3.3.1 stdlib-2.8 syntax_tools-1.7 test_server-3.10 tools-2.8.3 typer-0.9.10 webtool-0.9.1 wx-1.6.1 xmerl-1.3.10 :
diff --git a/system/doc/design_principles/release_structure.xml b/system/doc/design_principles/release_structure.xml
index a0ab21c43f..8e62ba845f 100644
--- a/system/doc/design_principles/release_structure.xml
+++ b/system/doc/design_principles/release_structure.xml
@@ -208,8 +208,8 @@ releases/ch_rel-1.rel</pre>
is therefore now instead duplicated in the tar file so no manual
copying is necessary.</p>
<p>If a <c>relup</c> file and/or a system configuration file called
- <c>sys.config</c> is found, these files are also included in
- the release package. See
+ <c>sys.config</c>, or a <c>sys.config.src</c>, is found, these files
+ are also included in the release package. See
<seealso marker="release_handling#req">Release Handling</seealso>.</p>
<p>Options can be set to make the release package include source
code and the ERTS binary as well.</p>
@@ -240,7 +240,7 @@ $ROOT/lib/App1-AVsn1/ebin
<item><c>erts-EVsn/bin</c> - Erlang runtime system executables</item>
<item><c>releases/Vsn</c> - <c>.rel</c> file and boot script
<c>start.boot</c>; if present in the release package, <c>relup</c>
- and/or <c>sys.config</c></item>
+ and/or <c>sys.config</c> or <c>sys.config.src</c></item>
<item><c>bin</c> - Top-level Erlang runtime system executables</item>
</list>
<p>Applications are not required to be located under directory
diff --git a/system/doc/efficiency_guide/advanced.xml b/system/doc/efficiency_guide/advanced.xml
index 896eda5f1c..245e7d3674 100644
--- a/system/doc/efficiency_guide/advanced.xml
+++ b/system/doc/efficiency_guide/advanced.xml
@@ -151,7 +151,7 @@
<row>
<cell>Processes</cell>
<cell>The maximum number of simultaneously alive Erlang processes
- is by default 32,768. This limit can be configured at startup.
+ is by default 262,144. This limit can be configured at startup.
For more information, see the
<seealso marker="erts:erl#max_processes"><c>+P</c></seealso>
command-line flag in the
diff --git a/system/doc/system_principles/create_target.xmlsrc b/system/doc/system_principles/create_target.xmlsrc
index f9b27ffc35..dc6cbbe980 100644
--- a/system/doc/system_principles/create_target.xmlsrc
+++ b/system/doc/system_principles/create_target.xmlsrc
@@ -263,6 +263,14 @@ os> <input>/usr/local/erl-target/bin/erl -boot /usr/local/erl-target/releases/FI
current directory create not only the file <c>mysystem.rel</c>,
but also file <c>sys.config</c>, the latter file is tacitly
put in the appropriate directory.</p>
+ <p>However, it can also be convenient to replace variables in
+ within a <c>sys.config</c> on the target after unpacking but
+ before running the release. If you have a <c>sys.config.src</c>
+ it will be included and is not required to be a valid Erlang term
+ file like <c>sys.config</c>. Before running the release you must
+ have a valid <c>sys.config</c> in the same directory, so using
+ <c>sys.config.src</c> requires having some tool to populate what is
+ needed and write <c>sys.config</c> to disk before booting the release.</p>
</section>
<section>