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2016-01-19erts: Ignore unexpected messages to erts_code_purgerSverker Eriksson
2016-01-13erts: Optimize erlang:check_process_codeSverker Eriksson
by ignoring literals. erts_internal:check_process_code will be called again anyway (with option {copy_literals, true}) before the module is actually purged. No need to check literals twice.
2016-01-13erts: Refactor check_process_code/3Sverker Eriksson
Move impl from erlang to erts_internal. Cut and paste.
2016-01-13erts: Make copy_literals more fail safeSverker Eriksson
* Same process must do enable-disable. * System process will force it and never get 'aborted'
2016-01-13erts: Move copy_literals/2 from erlang to erts_internalSverker Eriksson
as it's not a public interface.
2016-01-13erts: Make erlang:purge_module/1 safeSverker Eriksson
Problem: erlang:purge_module/1 is not safe in the sense that very bad things may happen if the code to be purged is still referred to by live processes. Introduce erts_internal:purge_module which is the same as the old erlang:purge_module BIF (except it returns false if no such old module). Implement erlang:purge_module in Erlang and let it invoke erts_code_purger for safe purging where all clogging processes first are killed.
2016-01-13erts: Refactor code:purge/1 and code:soft_purge/1Sverker Eriksson
by moving code from code_server to erts_code_purger. This is more or less a copy-paste from code_server.erl to erts_code_purger.erl. All the inner mechanics of code:purge/1 and code:soft_purge/1 are unchanged.
2016-01-13erts: Introduce erts_code_purgerSverker Eriksson
as a system process with preloaded code.
2015-12-30Merge branch 'maint'Rickard Green
* maint: Light weight statistics of run queue lengths Conflicts: erts/preloaded/ebin/erlang.beam
2015-12-30Light weight statistics of run queue lengthsRickard Green
- statistics(total_run_queue_lengths) - statistics(run_queue_lengths) - statistics(total_active_tasks) - statistics(active_tasks) Conflicts: erts/emulator/beam/erl_process.c
2015-12-16Update preloaded modulesBjörn Gustavsson
2015-12-16Update preloaded modulesBjörn Gustavsson
2015-12-15Update preloaded modulesLukas Larsson
2015-12-14Update preloaded modulesHenrik Nord
2015-12-08Update preloaded modulesBjörn-Egil Dahlberg
2015-12-07erts: Change erts_internal:map_type/1 into term_type/1Sverker Eriksson
to support other terms, not just maps
2015-11-23Merge branch 'np/sharing-preserved-copy/OTP-12590'Björn-Egil Dahlberg
* np/sharing-preserved-copy/OTP-12590: (28 commits) Refactor have seq_trace token test Use sharing preserving copy error messages and exceptions Use sharing preserving copy in enif_make_copy Refactor sharing preserved copy flags Fix rebase of SHCOPY seq_tokens Fix erts_debug:copy_shared/1 prototype Update preloaded module erlang.beam Add erlang:copy_literals/2 spec Add copy_literals testcase Do not use GCC extensions in copy Use copy literal range check in message passing and purging Add BIF for setting internal copy literal range Copy literals in copy sharing Refactor copy sharing Add support for HAMT maps in preserved copy Fix Map preserved sharing copy implementation Fix Halfword removal Fix internal stacks Add support for maps in preserved copy Add --enable-sharing-preserving configure flag ...
2015-11-20Merge branch 'maint'Zandra
2015-11-17Update preloaded module erlang.beamBjörn-Egil Dahlberg
2015-11-12Merge branch 'rickard/ohmq/OTP-13047'Rickard Green
* rickard/ohmq/OTP-13047: Fragmented young heap generation and off_heap_message_queue option Refactor GC Introduce literal tag Conflicts: erts/doc/src/erlang.xml erts/emulator/beam/erl_gc.c
2015-11-12Fragmented young heap generation and off_heap_message_queue optionRickard Green
* The youngest generation of the heap can now consist of multiple blocks. Heap fragments and message fragments are added to the youngest generation when needed without triggering a GC. After a GC the youngest generation is contained in one single block. * The off_heap_message_queue process flag has been added. When enabled all message data in the queue is kept off heap. When a message is selected from the queue, the message fragment (or heap fragment) containing the actual message is attached to the youngest generation. Messages stored off heap is not part of GC.
2015-11-05Fix crash on init restartLuis Rascao
On load handler process not being launched on a restart, NIF's such as asn1rt_nif require it to be present for correct loading.
2015-10-27Merge branch 'maint'Ingela Anderton Andin
Conflicts: erts/preloaded/ebin/prim_inet.beam
2015-10-26erts: Add {line_delimiter, byte()} option to inet:setopts/2Serge Aleynikov
A new {line_delimiter, byte()} option allows line-oriented TCP-based protocols to use a custom line delimiting character. It is to be used in conjunction with {packet, line}. This option also works with erlang:decode_packet/3 when its first argument is 'line'.
2015-10-26erts: Add {line_delimiter, byte()} option to inet:setopts/2Serge Aleynikov
A new {line_delimiter, byte()} option allows line-oriented TCP-based protocols to use a custom line delimiting character. It is to be used in conjunction with {packet, line}. This option also works with erlang:decode_packet/3 when its first argument is 'line'.
2015-06-17Merge branch 'rickard/io-bytes/OTP-12842'Rickard Green
* rickard/io-bytes/OTP-12842: Save IO bytes in scheduler specific data
2015-06-17Merge branch 'nybek/fix_so_linger_zero__simple'Raimo Niskanen
* nybek/fix_so_linger_zero__simple: Update prim_inet.beam Fix socket option {linger, {true, 0}} to abort TCP connections Apply 'show_econnreset' socket option to send errors as well Add 'show_econnreset' TCP socket option
2015-06-17Save IO bytes in scheduler specific dataRickard Green
2015-06-15Update prim_inet.beamRaimo Niskanen
2015-06-10Delayed node table GCRickard Green
2015-06-09Disable accessor timer optionRickard Green
2015-05-12Update preloaded modulesRickard Green
2015-05-12Timer fixes, documentation, and test casesRickard Green
2015-05-08Optimized timer implementationRickard Green
2015-03-26Update preloaded modulesHenrik Nord
2015-03-26Merge branch 'rickard/time_api/OTP-11997'Rickard Green
* rickard/time_api/OTP-11997: Misc fixes Conflicts: erts/preloaded/ebin/erlang.beam erts/preloaded/ebin/erts_internal.beam
2015-03-26Misc fixesRickard Green
2015-03-24Merge branch 'rickard/time_api/OTP-11997'Rickard Green
* rickard/time_api/OTP-11997: Better OS system time implementation Documentation adjustments Fix zero timout timers erts_sys_hrtime() for lcnt Better support for poor os monotonic sources Conflicts: erts/preloaded/ebin/erlang.beam
2015-03-24Better OS system time implementationRickard Green
2015-03-20Merge branch 'rickard/time_api/OTP-11997'Rickard Green
* rickard/time_api/OTP-11997: (22 commits) Update primary bootstrap inets: Suppress deprecated warning on erlang:now/0 inets: Cleanup of multiple copies of functions Add inets_lib with common functions used by multiple modules inets: Update comments Suppress deprecated warning on erlang:now/0 Use new time API and be back-compatible in inets Remove unused functions and removed redundant test asn1 test SUITE: Eliminate use of now/0 Disable deprecated warning on erlang:now/0 in diameter_lib Use new time API and be back-compatible in ssh Replace all calls to now/0 in CT with new time API functions test_server: Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API Replace usage of erlang:now() with usage of new API otp_SUITE: Warn for calls to erlang:now/0 Replace usage of erlang:now() with usage of new API Multiple timer wheels Erlang based BIF timer implementation for scalability Implement ethread events with timeout ... Conflicts: bootstrap/bin/start.boot bootstrap/bin/start_clean.boot bootstrap/lib/compiler/ebin/beam_asm.beam bootstrap/lib/compiler/ebin/compile.beam bootstrap/lib/kernel/ebin/auth.beam bootstrap/lib/kernel/ebin/dist_util.beam bootstrap/lib/kernel/ebin/global.beam bootstrap/lib/kernel/ebin/hipe_unified_loader.beam bootstrap/lib/kernel/ebin/inet_db.beam bootstrap/lib/kernel/ebin/inet_dns.beam bootstrap/lib/kernel/ebin/inet_res.beam bootstrap/lib/kernel/ebin/os.beam bootstrap/lib/kernel/ebin/pg2.beam bootstrap/lib/stdlib/ebin/dets.beam bootstrap/lib/stdlib/ebin/dets_utils.beam bootstrap/lib/stdlib/ebin/erl_tar.beam bootstrap/lib/stdlib/ebin/escript.beam bootstrap/lib/stdlib/ebin/file_sorter.beam bootstrap/lib/stdlib/ebin/otp_internal.beam bootstrap/lib/stdlib/ebin/qlc.beam bootstrap/lib/stdlib/ebin/random.beam bootstrap/lib/stdlib/ebin/supervisor.beam bootstrap/lib/stdlib/ebin/timer.beam erts/aclocal.m4 erts/emulator/beam/bif.c erts/emulator/beam/erl_bif_info.c erts/emulator/beam/erl_db_hash.c erts/emulator/beam/erl_init.c erts/emulator/beam/erl_process.h erts/emulator/beam/erl_thr_progress.c erts/emulator/beam/utils.c erts/emulator/sys/unix/sys.c erts/preloaded/ebin/erlang.beam erts/preloaded/ebin/erts_internal.beam erts/preloaded/ebin/init.beam erts/preloaded/src/erts_internal.erl lib/common_test/test/ct_hooks_SUITE_data/cth/tests/empty_cth.erl lib/diameter/src/base/diameter_lib.erl lib/kernel/src/os.erl lib/ssh/test/ssh_basic_SUITE.erl system/doc/efficiency_guide/advanced.xml
2015-03-20Erlang based BIF timer implementation for scalabilityRickard Green
2015-03-20Introduce a new time APIRickard Green
The old time API is based on erlang:now/0. The major issue with erlang:now/0 is that it was intended to be used for so many unrelated things. This tied these unrelated operations together and unnecessarily caused performance, scalability as well as accuracy, and precision issues for operations that do not need to have such issues. The new API spreads different functionality over multiple functions in order to improve on this. The new API consists of a number of new BIFs: - erlang:convert_time_unit/3 - erlang:monotonic_time/0 - erlang:monotonic_time/1 - erlang:system_time/0 - erlang:system_time/1 - erlang:time_offset/0 - erlang:time_offset/1 - erlang:timestamp/0 - erlang:unique_integer/0 - erlang:unique_integer/1 - os:system_time/0 - os:system_time/1 and a number of extensions of existing BIFs: - erlang:monitor(time_offset, clock_service) - erlang:system_flag(time_offset, finalize) - erlang:system_info(os_monotonic_time_source) - erlang:system_info(time_offset) - erlang:system_info(time_warp_mode) - erlang:system_info(time_correction) - erlang:system_info(start_time) See the "Time and Time Correction in Erlang" chapter of the ERTS User's Guide for more information.
2015-03-19Merge branch 'egil/maps/hamt/OTP-12585'Björn-Egil Dahlberg
* egil/maps/hamt/OTP-12585: (113 commits) erts: Fix bug in ESTACK and WSTACK kernel: Add spec for erts_debug:map_info/1 mnesia: Update mnesia tests to reflect new ETS hash erts: Ensure maps uses _rel functions in halfword erts: Do not treat errors as fatal in erl_printf_term erts: Update preloaded erts_internal.beam erts: Add map decomposition wrappers erts: Ensure halfword has correct temp-heap for maps hipe: Handle separate hashmap tag correctly erts: Fix map bug in dec_term for 32-bit debug VM stdlib: Update qlc tests to reflect new ETS hash stdlib: Remove obsolete hashmap references in io_lib erts: Enhance maps ordering tests hipe: Fix maps sort order testcase erts: Remove unused variable in crashdump creation erts: Fix typo in copy_struct for halfword emulator erts: Restrict GCC intrinsics by compiler version erts: Fix windows bug in hashmap_info erts: Fix typo in make_hash2 for 32-bit arch Fix beam_load assert ... Conflicts: erts/emulator/beam/bif.tab
2015-03-19erts: Update preloaded erts_internal.beamBjörn-Egil Dahlberg
2015-03-17update preloadedZandra Hird
2015-03-09Merge branch 'seriyps/zlib-inflate-bound'Henrik Nord
* seriyps/zlib-inflate-bound: Add zlib limited output buffer size functionality Conflicts: erts/preloaded/ebin/zlib.beam OTP-12548
2015-02-12Add zlib limited output buffer size functionalityСергей Прохоров
This functionality may be useful for compressed streams with high compression ratio (in case of gzip it may be up to x1000), when small amount of compressed data will produce large amount of uncompressed output. This may lead to DoS attacks, because server easily goes out of memory. Example of such high compression ratio stream: ``` dd if=/dev/zero of=sparse.bin bs=1MB count=100 # 100mb of zeroes gzip sparse.bin # 95kb sparse.bin.gz $ erl > {ok, Compressed} = file:read_file("sparse.bin.gz"), > 97082 = size(Compressed), > Uncompressed = zlib:gunzip(Compressed), > 100000000 = iolist_size(Uncompressed). ```
2014-12-09Update preloaded modulesMarcus Arendt
2014-09-25Merge branch 'rickard/maint-17/eager-check-io/OTP-12117' into ↵Rickard Green
rickard/master/eager-check-io/OTP-12117 * rickard/maint-17/eager-check-io/OTP-12117: No eager check I/O on OSE Introduce support for eager check I/O scheduling Conflicts: erts/preloaded/ebin/erlang.beam
2014-09-25Merge branch 'rickard/eager-check-io/OTP-12117' into ↵Rickard Green
rickard/maint-17/eager-check-io/OTP-12117 * rickard/eager-check-io/OTP-12117: Introduce support for eager check I/O scheduling Conflicts: erts/emulator/beam/erl_bif_info.c erts/emulator/beam/erl_init.c erts/emulator/beam/erl_process.c erts/preloaded/ebin/erlang.beam
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