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2017-09-05Replace the zlib driver with a NIFJohn Högberg
All operations will now yield appropriately, allowing them to be used freely in concurrent applications. This commit also deprecates the functions listed below, although they won't raise deprecation warnings until OTP 21: zlib:adler32 zlib:crc32 zlib:inflateChunk zlib:getBufSize zlib:setBufSize The behavior of throwing an error when a dictionary is required for decompression has also been deprecated.
2017-09-05erts: Add erlang:iolist_to_iovecLukas Larsson
OTP-14520
2017-09-05erts: Add nif ioqLukas Larsson
2017-07-27Merge branch 'maint-20' into maintJohn Högberg
* maint-20: Updated OTP version Update release notes Update version numbers Fix doc for the 'quiet' option; it defaults to false asn1: Fix missing quotes of external encoding call Add a dedicated close function for TCP ports to prevent issues like ERL-430/448 Close TCP ports properly on send timeout erts: Add missing release note
2017-07-26Update release notesErlang/OTP
2017-07-26Update version numbersErlang/OTP
2017-07-26Merge branch 'sverker/big-bxor-bug/ERL-450/OTP-14514' into maint-20Erlang/OTP
* sverker/big-bxor-bug/ERL-450/OTP-14514: erts: Fix bug in bxor of a big negative number
2017-07-26Merge branch 'john/erts/fix-tcp-send-timeout/OTP-14509/ERL-448' into maint-20Erlang/OTP
* john/erts/fix-tcp-send-timeout/OTP-14509/ERL-448: Add a dedicated close function for TCP ports to prevent issues like ERL-430/448 Close TCP ports properly on send timeout
2017-07-25Merge branch 'sverker/enif_whereis-bug/OTP-14523' into maintSverker Eriksson
* sverker/enif_whereis-bug: erts: Fix bug in enif_whereis_pid/port
2017-07-25Merge branch 'john/erts/use-lock-flags-in-lc' into maintJohn Högberg
2017-07-13Merge branch 'sverker/big-bxor-bug/ERL-450/OTP-14514' into maintSverker Eriksson
* sverker/big-bxor-bug/ERL-450/OTP-14514: erts: Fix bug in bxor of a big negative number
2017-07-12erts: Fix bug in bxor of a big negative numberSverker Eriksson
Wrong result for (X bsl WS) bxor Y. where X is any negative integer Y is any integer that does not require more words than X WS is erlang:system_info(wordsize) or larger Fix: The subtraction of 1 (for 2-complement conversion) must be carried along all the way to the last words.
2017-07-11erts: Fix bug in enif_whereis_pid/portSverker Eriksson
that could cause heap corruption if whereis lookup conflicts with other register updater AND other thread sends on-heap message while main lock is released. Also improved enif_whereis from dirty nifs by passing c_p as NULL.
2017-07-11Fix building debug emulator on windowsJohn Högberg
CFLAGS weren't updated to include the sys/common directory for this build target.
2017-07-11Use erl_lock_flags in lock checkingJohn Högberg
2017-07-10Add a dedicated close function for TCP ports to prevent issues like ERL-430/448John Högberg
2017-07-10Close TCP ports properly on send timeoutJohn Högberg
2017-07-07Add a proper type for lock optionsJohn Högberg
2017-07-06Merge branch 'john/erts/runtime-lcnt' into maintJohn Högberg
* john/erts/runtime-lcnt: Document rt_mask and add warnings about copy_save Add an emulator test suite for lock counting Break erts_debug:lock_counters/1 into separate BIFs Allow toggling lock counting at runtime Move lock flags to a common header Enable register_SUITE for lcnt builds Enable lcnt smoke test on all builds that have lcnt enabled Make lock counter info independent of the locks being counted OTP-14412 OTP-13170 OTP-14413
2017-07-06Add an emulator test suite for lock countingJohn Högberg
OTP-14413
2017-07-06Break erts_debug:lock_counters/1 into separate BIFsJohn Högberg
2017-07-06Allow toggling lock counting at runtimeJohn Högberg
The implementation is still hidden behind ERTS_ENABLE_LOCK_COUNT, and all categories are still enabled by default, but the actual counting can be toggled at will. OTP-13170
2017-07-06Move lock flags to a common headerJohn Högberg
2017-07-06Enable register_SUITE for lcnt buildsJohn Högberg
It was disabled for performance reasons, and the new implementation handles it just fine (roughly half as fast as without lcnt).
2017-07-06Merge branch 'sverker/prealloc-race-bug/maint' into maintSverker Eriksson
* sverker/prealloc-race-bug/maint: erts: Increase pre-allocated blocks #ifdef DEBUG
2017-07-04macOS: Fix problems loading cryptoBjörn Gustavsson
On macOS, it was not possible to start crypto after running observer. (ERL_251) On the beta of macOS 10.13 (High Sierra), crypto does not work at all. (ERL-439) The problem is that the use of the -flat_namespace option when linking dynamic drivers such as the one for crypto. With that option, all function names must be unique among all linked libraries and frameworks, or the wrong function could be called. Resolve the problem by using the two-level namespace as recommended by Apple. We need to use the -bundle_loader option to point out beam.smp when building all drivers and NIF libraries. https://bugs.erlang.org/browse/ERL-251 https://bugs.erlang.org/browse/ERL-439
2017-07-04erts: Add missing release noteSverker Eriksson
2017-07-04Merge branch 'maint-20' into maintJohn Högberg
* maint-20: Updated OTP version Update release notes Update version numbers erts: Fix bug in quick alloc Fix old length usage in string stdlib: Fix bug in proc_lib Support arbitrary crash report in proc_lib.
2017-07-02escript.c: remove dead codeMikael Pettersson
2017-06-30erts: Increase pre-allocated blocks #ifdef DEBUGSverker Eriksson
Choose a "lagom" low value to provoke both fallback on erts_alloc AND thread racing in lockless deallocation queue.
2017-06-30Update release notesErlang/OTP
2017-06-30Update version numbersErlang/OTP
2017-06-30Merge branch 'sverker/prealloc-race-bug/OTP-14491' into maint-20Erlang/OTP
* sverker/prealloc-race-bug/OTP-14491: erts: Fix bug in quick alloc
2017-06-30Merge branch 'rickard/statistics/OTP-14484' into maint-20Erlang/OTP
* rickard/statistics/OTP-14484: Fix statistics(wall_clock) and statistics(runtime) implementation
2017-06-30Merge branch 'lukas/erts/fix_outputv_port_task_cleanup/ERL-428/OTP-14481' ↵Erlang/OTP
into maint-20 * lukas/erts/fix_outputv_port_task_cleanup/ERL-428/OTP-14481: fixup! erts: Cleanup dropped port tasks correctly erts: Add tests to detect port close race erts: Cleanup dropped port tasks correctly
2017-06-30Merge branch 'john/erts/fix-port-leak/OTP-13939/ERL-193' into maint-20Erlang/OTP
* john/erts/fix-port-leak/OTP-13939/ERL-193: Add a testcase for OTP-13939/ERL-193 Mark socket disconnected on tcp_send_or_shutdown_error # Conflicts: # lib/kernel/test/gen_tcp_misc_SUITE.erl
2017-06-30erts: Fix bug in quick allocSverker Eriksson
The effect of the race is that a pre-allocated memory block is inserted last without updating tail.data.last, which will cause all subsequent insertions to also fail to update tail.data.last. Hence all pre-allocation for this quick alloc instance is leaked for this thread and will fallback on erts_alloc.
2017-06-29Merge branch 'sverker/erts/apply-badarg/ERL-432/OTP-14490' into maintSverker Eriksson
* sverker/erts/apply-badarg/ERL-432/OTP-14490: erts: Make apply throw 'badarg' if Args is not a list
2017-06-28Merge branch 'bjorn/erts/fix-gen-dest' into maintBjörn Gustavsson
* bjorn/erts/fix-gen-dest: Eliminate potential unsafe use of general destination
2017-06-27erts: Make apply throw 'badarg' if Args is not a listSverker Eriksson
instead of a strange 'undef' exception.
2017-06-27Merge branch 'maint-19' into maintJohn Högberg
* maint-19: Updated OTP version Update release notes Update version numbers Fix statistics(wall_clock) and statistics(runtime) implementation fixup! erts: Cleanup dropped port tasks correctly erts: Add tests to detect port close race Add a testcase for OTP-13939/ERL-193 erts: Cleanup dropped port tasks correctly Mark socket disconnected on tcp_send_or_shutdown_error
2017-06-26Update release notesErlang/OTP
2017-06-26Update version numbersErlang/OTP
2017-06-26Merge branch 'rickard/statistics/OTP-14484' into maint-19Erlang/OTP
* rickard/statistics/OTP-14484: Fix statistics(wall_clock) and statistics(runtime) implementation
2017-06-26Merge branch 'lukas/erts/fix_outputv_port_task_cleanup/ERL-428/OTP-14481' ↵Erlang/OTP
into maint-19 * lukas/erts/fix_outputv_port_task_cleanup/ERL-428/OTP-14481: fixup! erts: Cleanup dropped port tasks correctly erts: Add tests to detect port close race erts: Cleanup dropped port tasks correctly
2017-06-26Merge branch 'john/erts/fix-port-leak/OTP-13939/ERL-193' into maint-19Erlang/OTP
* john/erts/fix-port-leak/OTP-13939/ERL-193: Add a testcase for OTP-13939/ERL-193 Mark socket disconnected on tcp_send_or_shutdown_error # Conflicts: # lib/kernel/test/gen_tcp_misc_SUITE.erl
2017-06-26Eliminate potential unsafe use of general destinationBjörn Gustavsson
a3407eaa2104d6 eliminated the -gen_dest flag for macros in ops.tab. It turns out that the new implementation (taking the address of the X or X destination register) is unsafe if the destination is a Y register and there can be a GC. The problem is that the address to the Y register will change if there is a GC. Fortunately, the few instructions in OTP 20 that have a general destinations are safe. The put_list_ssd instruction never does a GC. The bit syntax instructions that may do a GC will always store the result to an X register. To be completely sure, rewrite the destination register from 'd' to 'x' for the bit syntax instructions. That means that a bit syntax instruction with a Y register destionation will abort the loading if it is encountered.
2017-06-22Fix statistics(wall_clock) and statistics(runtime) implementationRickard Green
2017-06-21Prepare releaseErlang/OTP
2017-06-20Update preloaded modulesHans Nilsson
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