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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
2014-09-25Introduce support for eager check I/O schedulingRickard Green
2014-09-12Update preloaded modulesHenrik Nord
2014-09-11Update preloadedMarcus Arendt
2014-09-11Merge branch 'maint'Marcus Arendt
Conflicts: erts/preloaded/ebin/erl_prim_loader.beam
2014-09-11Update preloadedMarcus Arendt
2014-08-22Update preloaded erlang.beamBjörn-Egil Dahlberg
2014-08-21Merge branch 'maint'Björn-Egil Dahlberg
2014-08-21Merge branch 'egil/proc_lib-optimizations/OTP-12060' into maintBjörn-Egil Dahlberg
* egil/proc_lib-optimizations/OTP-12060: stdlib: Update dependencies to erts-6.2 erts: Update preloaded erlang.beam stdlib: Use erlang:fun_info_mfa/1 in proc_lib:init_p/3 erts: Test erlang:fun_info_mfa/1 erts: Introduce erlang:fun_info_mfa/1
2014-07-24Merge branch 'maint'Henrik Nord
Conflicts: erts/preloaded/ebin/prim_inet.beam
2014-07-24Merge branch 'maint-r16' into maintHenrik Nord
Conflicts: erts/doc/src/notes.xml erts/preloaded/ebin/prim_inet.beam erts/vsn.mk lib/kernel/doc/src/notes.xml lib/kernel/vsn.mk
2014-07-22kernel: When doing an fdopen we now also bind the fd to the specified addr/portLukas Larsson
2014-07-14erts: Update preloaded erlang.beamBjörn-Egil Dahlberg
Specs for erlang:fun_info_mfa/1
2014-07-11Merge branch 'maint'Erland Schönbeck
2014-07-10Merge branch 'nox/filelib-wildcard-broken-link' into maint-17Erlang/OTP
* nox/filelib-wildcard-broken-link: Update stdlib appup file Update runtime dependencies Update preloaded Add tests of filelib and symlinks Fix handling of broken symlinks in filelib Conflicts: erts/preloaded/ebin/erl_prim_loader.beam
2014-07-09Update preloadedSiri Hansen
2014-06-18Update preloaded modulesMagnus Lidén
2014-06-06Merge branch 'rickard/invalid_bitstr_bifs/OTP-11942' into maintRickard Green
* rickard/invalid_bitstr_bifs/OTP-11942: Remove invalid 'bitstr' exports in erlang.erl
2014-06-06Merge branch 'rickard/binary_to_term_error/OTP-11931' into maintRickard Green
* rickard/binary_to_term_error/OTP-11931: Replace erlang:binary_to_term() Erlang wrappers Conflicts: erts/preloaded/ebin/erts_internal.beam
2014-06-05Remove invalid 'bitstr' exports in erlang.erlRickard Green
The dummy BIF exports 'erlang:bitstr_to_list/1' and 'erlang:list_to_bitstr/1' seem to have appeared as a result of a copy-paste error and are now removed.
2014-06-05Replace erlang:binary_to_term() Erlang wrappersRickard Green
Replace the 'erlang:binary_to_term/1' and 'erlang:binary_to_term/2' Erlang wrappers taking care of failure after yield with management of this in the hidden yield BIF.
2014-05-12Merge branch 'egil/fix-erts_debug-size/OTP-11923' into maintBjörn-Egil Dahlberg
* egil/fix-erts_debug-size/OTP-11923: erts: Update preloaded erts_internal.beam erts: Add spec for erts_internal:map_to_tuple_keys/1 erts: Add testcase for erts_debug:size/1 Map terms kernel: Fix erts_debug:size/1 to handle Map sizes erts: Add erts_internal:map_to_tuple_keys/1
2014-05-09erts: Update preloaded erts_internal.beamBjörn-Egil Dahlberg
2014-05-08Merge branch 'bjorn/erts/fix-eval/OTP-11916' into maintBjörn Gustavsson
* bjorn/erts/fix-eval/OTP-11916: The encoding for '-eval Program' should be UTF-8
2014-04-11The encoding for '-eval Program' should be UTF-8Björn Gustavsson
If file:name_native_encoding() returns 'utf8', any arguments following the -run option are assumed to be encoded in UTF-8. -eval should treat is argument the same way.
2014-04-10Fixed type spec of erlang:system_info/1Rickard Green
2014-04-01Update preloaded modulesBjörn-Egil Dahlberg
2014-02-26Update preloaded and primary bootstrapRickard Green
2014-02-24Merge branch 'lukas/ose/master/OTP-11334'Lukas Larsson
* lukas/ose/master/OTP-11334: (71 commits) erts: Fix unix efile assert ose: Use -O2 when building ose: Expand OSE docs ose: Add dummy ttsl driver ose: Cleanup cleanup of mutex selection defines ose: Polish mmap configure checks ose: Add ose specific x-compile flags ose: Updating fd_driver and spawn_driver for OSE ose: Updating event and signal API for OSE ose: Cleanup of mutex selection defines win32: Compile erl_log.exe ose: Remove uneccesary define ose: Fix ssl configure test for osx erts: Fix sys_msg_dispatcher assert ose: Fix broken doc links ose: Thread priorities configurable from lmconf ose: Yielding the cpu is done "the OSE" way ose: Start using ppdata for tse key ose: Do not use spinlocks on OSE ose: Fix support for crypto ... Conflicts: lib/crypto/c_src/crypto.c
2014-02-24Added support for ENEA OSELukas Larsson
This port has support for both non-smp and smp. It contains a new way to do io checking in which erts_poll_wait receives the payload of the polled entity. This has implications for all linked-in drivers.
2014-01-29Merge branch 'egil/maps/OTP-11616'Björn-Egil Dahlberg
* egil/maps/OTP-11616: (112 commits) compiler: Add core compile test for maps compiler: Fix core parse for Maps compiler: Fixup #map_pair{} spec erts: Strengthen map_SUITE tests erts: Update maps_fold test to respect maps:fold/3 stdlib: Make maps:fold/3 order-independent erts: Fixup enif_make_map_put on windows erts: Update preloaded erts_internal.beam hipe: Fixup update cerl pretty printer erts: Add map construction to driver API dialyzer: Add maps tests dialyzer: Remove dead code dialyzer: Reflect map_pair core changes in dialyzer hipe: Update cerl pretty printer compiler: Update inliner tests compiler: Squash #c_map_pair_*{} to #c_map_pair{} compiler: Squash #k_map_pair_*{} to #k_map_pair{} preloaded: Fixup export cmp_term in erts_internal erts: Change 'size' argument of enif_get_map_size from int* to size_t* erts: Fix compile error for halfword emulator ...
2014-01-29erts: Update preloaded erts_internal.beamBjörn-Egil Dahlberg
2014-01-28Update preloaded erlang.beamBjörn-Egil Dahlberg
2014-01-28Merge branch 'lukas/erts/sendfile_no_async_pool/OTP-11639'Lukas Larsson
* lukas/erts/sendfile_no_async_pool/OTP-11639: erts/kernel: sendfile no longer uses async threads
2014-01-28initial support for dirty schedulers and dirty NIFsSteve Vinoski
Add initial support for dirty schedulers. There are two types of dirty schedulers: CPU schedulers and I/O schedulers. By default, there are as many dirty CPU schedulers as there are normal schedulers and as many dirty CPU schedulers online as normal schedulers online. There are 10 dirty I/O schedulers (similar to the choice of 10 as the default for async threads). By default, dirty schedulers are disabled and conditionally compiled out. To enable them, you must pass --enable-dirty-schedulers to the top-level configure script when building Erlang/OTP. Current dirty scheduler support requires the emulator to be built with SMP support. This restriction will be lifted in the future. You can specify the number of dirty schedulers with the command-line options +SDcpu (for dirty CPU schedulers) and +SDio (for dirty I/O schedulers). The +SDcpu option is similar to the +S option in that it takes two numbers separated by a colon: C1:C2, where C1 specifies the number of dirty schedulers available and C2 specifies the number of dirty schedulers online. The +SDPcpu option allows numbers of dirty CPU schedulers available and dirty CPU schedulers online to be specified as percentages, similar to the existing +SP option for normal schedulers. The number of dirty CPU schedulers created and dirty CPU schedulers online may not exceed the number of normal schedulers created and normal schedulers online, respectively. The +SDio option takes only a single number specifying the number of dirty I/O schedulers available and online. There is no support yet for programmatically changing at run time the number of dirty CPU schedulers online via erlang:system_flag/2. Also, changing the number of normal schedulers online via erlang:system_flag(schedulers_online, NewSchedulersOnline) should ensure that there are no more dirty CPU schedulers than normal schedulers, but this is not yet implemented. You can retrieve the number of dirty schedulers by passing dirty_cpu_schedulers, dirty_cpu_schedulers_online, or dirty_io_schedulers to erlang:system_info/1. Currently only NIFs are able to access dirty scheduler functionality. Neither drivers nor BIFs currently support dirty schedulers. This restriction will be addressed in the future. If dirty scheduler support is present in the runtime, the initial status line Erlang prints before presenting its interactive prompt will include the indicator "[ds:C1:C2:I]" where "ds" indicates "dirty schedulers", "C1" indicates the number of dirty CPU schedulers available, "C2" indicates the number of dirty CPU schedulers online, and "I" indicates the number of dirty I/O schedulers. Document The dirty NIF API in the erl_nif man page. The API closely follows Rickard Green's presentation slides from his talk "Future Extensions to the Native Interface", presented at the 2011 Erlang Factory held in the San Francisco Bay Area. Rickard's slides are available online at http://bit.ly/1m34UHB . Document the new erl command-line options, the additions to erlang:system_info/1, and also add the erlang:system_flag/2 dirty scheduler documentation even though it's not yet implemented. To determine whether the dirty NIF API is available, native code can check to see whether the C preprocessor macro ERL_NIF_DIRTY_SCHEDULER_SUPPORT is defined. To check if dirty schedulers are available at run time, native code can call the boolean enif_have_dirty_schedulers() function, and Erlang code can call erlang:system_info(dirty_cpu_schedulers), which raises badarg if no dirty scheduler support is available. Add a simple dirty NIF test to the emulator NIF suite.
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