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2015-05-08Merge branch 'rickard/timer-optimization/OTP-12650'Rickard Green
* rickard/timer-optimization/OTP-12650: Optimized timer implementation Reusable red-black tree implementation Conflicts: erts/emulator/beam/erl_bif_timer.c
2015-05-08Optimized timer implementationRickard Green
2015-05-07Remove 'imports' key from spec of get_module_info()Richard Carlsson
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
2015-03-19erts: Add map decomposition wrappersBjörn-Egil Dahlberg
* erts_internal:map_type/1 * erts_internal:map_hashmap_children/1
2015-03-19Merge branch 'essen/zlib-export-types'Zandra Hird
* essen/zlib-export-types: Export useful types from zlib module OTP-12584
2015-03-17update preloadedZandra Hird
2015-03-17Merge branch 'essen/zlib-windowbits'Zandra Hird
* essen/zlib-windowbits: Update zlib:zwindowbits/0 type to accept 8 and -8 OTP-12564
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
2015-03-03Update zlib:zwindowbits/0 type to accept 8 and -8Loïc Hoguin
Commit 7e8f5a776cbfa376e03369d058a90c8dd9f217fc (importing R11B-3) updated zlib, which had changed what values it accepts for window bits from 9-15 to 8-15. From deflate.c: - windowBits < 9 || windowBits > 15 || level < 0 || level > 9 || - strategy < 0 || strategy > Z_HUFFMAN_ONLY) { + windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || + strategy < 0 || strategy > Z_FIXED) { return Z_STREAM_ERROR; } + if (windowBits == 8) windowBits = 9; /* until 256-byte window bug fixed */ In inflate.c 8 was already an accepted value. This commit updates OTP to also accept the values 8 and -8.
2015-03-03Export useful types from zlib moduleLoïc Hoguin
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
2014-11-07Merge branch 'maint'Bruce Yinhe
2014-11-02Expose NIF versionPeter Lemenkov
This patch allows checking for NIF API version in a way similar to driver version. E.g. by calling erlang:system_info(nif_version). Signed-off-by: Peter Lemenkov <[email protected]>
2014-10-23Merge branch 'rickard/maint-17/eager-check-io/OTP-12117' into maintRickard Green
* rickard/maint-17/eager-check-io/OTP-12117: No eager check I/O on OSE Introduce support for eager check I/O scheduling
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
2014-09-22Merge branch 'maint'Björn-Egil Dahlberg
2014-09-16erts: Fix erts app-fileBjörn-Egil Dahlberg
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
2014-09-11Merge branch 'lrascao/fix_bug_windows_directory_symlinks' into maintMarcus Arendt
* lrascao/fix_bug_windows_directory_symlinks: fix indentation, add comment describing windows symlink creation assumption fix escript archive symlinked across drives OTP-12155 OTP-12154 OTP-12153
2014-08-22Update preloaded erlang.beamBjörn-Egil Dahlberg
2014-08-22erts: Add spec for erlang:get_keys/0Björn-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
2014-08-12fix indentation, add comment describing windows symlink creation assumptionLuis Rascão
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
2014-07-11erts: Introduce erlang:fun_info_mfa/1Björn-Egil Dahlberg
Introduced for proc_lib:init_p/3
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
2014-07-09Fix handling of broken symlinks in filelibAnthony Ramine
This fixes a bug introduced in f11aabdc9fec593c31e6c4f3fa25c1707e9c35df where filelib:eval_read_file_info/2 was made to use file:read_link_info/1 to never follow symlinks. This fixed wildcard/1 but broke every other function using eval_read_file_info/2. Reported-by: Louis-Philippe Gauthier Reported-by: Danil Zagoskin
2014-06-27fix escript archive symlinked across drivesLuis Rascão
real_path method used while prim loading archive files was not taking into account the fact that windows directory symlinks can be across different drives (eg. c:\tmp\test is a symlink to j:\tmp\test). when performing a path split the drive precedes the symlink, but that has be rewritten also since it's different. This issue never arises in Unix since obviously there are no drives
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