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2017-10-18Implement dumping of maps in crash dumpsBjörn Gustavsson
Maps would be dumped as the atom 'undefined', which is not very informative.
2017-10-18Buffer writing of crash dumpsBjörn Gustavsson
Writing of crash dumps were done using unbuffered IO. This is slow since many small writes are done. Use a FILE* with an allocated buffer to obtain buffered IO. I wrote a small test program that created 50000 binaries of 200 bytes each and then created a crash dump. The crash dumping was an order of magnitude faster with buffered IO than without.
2017-10-12Revert "Merge branch 'rickard/null-char-filenames/ERL-370/OTP-14543' into maint"Rickard Green
This reverts commit 0717a2194e863f3a78595184ccc5637697f03353, reversing changes made to 71a40658a0cef8b3e25df3a8e48a72d0563a89bf.
2017-10-12Merge branch 'lukas/erts/tracing/recv_exit_signal_deadlock/OTP-14678' into maintLukas Larsson
* lukas/erts/tracing/recv_exit_signal_deadlock/OTP-14678: erts: Fix lock order when recv tracing trapped exit signal
2017-10-12Merge branch 'lukas/erts/fix_caller_trace_for_apply_bifs/OTP-14677' into maintLukas Larsson
* lukas/erts/fix_caller_trace_for_apply_bifs/OTP-14677: erts: Fix caller trace for apply bifs
2017-10-12erts: Fix lock order when recv tracing trapped exit signalLukas Larsson
2017-10-09erts: Fix caller trace for apply bifsLukas Larsson
Bifs that are called through the export entry using i_call_last could have their cp set to return_trace, just like any other call. So we have to unwind the trace stack to get the correct cp. Not doing this creates a lot of issues for fprof.
2017-10-02Merge branch 'sverker/bad-dist-msg-bug/ERIERL-80/OTP-14661' into maintSverker Eriksson
2017-10-02erts: Fix bug when detecting bad dist messageSverker Eriksson
We can't just leave it in queue with dist_ext=NULL. Two symptoms seen: 1. 'receive' trying to deref dist_ext as NULL. 2. GC think it's a term and put THE_NON_VALUE in root set.
2017-09-27Don't allow null in filenamesRickard Green
2017-09-22Correctly append sub-binaries in iolist_to_iovecJohn Högberg
The byte_offset of sub-binaries wasn't taken into account for ProcBins, subtly ruining the results. The test suite didn't catch it since it didn't check for sub-binaries in particular, and only checked for equality between variations -- not whether the output was equal to the input.
2017-09-13Merge branch 'sverker/19/on_load-on_load-bug/OTP-14612' into ↵Sverker Eriksson
sverker/on_load-on_load-bug/OTP-14612
2017-09-13erts: Fix 'on_load' tracing bug for modules with -on_loadSverker Eriksson
Symptom: VM crash when erlang:trace_pattern(on_load, ..) is set and module with -on_load is loaded. Problem: Tracing and -on_load clash in their use of Export.beam[1] Solution: Do not do call set_default_trace_pattern in finish_loading_1 for modules with -on_load. finish_after_on_load_2 will do that anyway.
2017-09-12Merge branch 'sverker/ets-fix-assert-fix' into maintSverker Eriksson
* sverker/ets-fix-assert-fix: erts: Fix faulty ASSERT of table fixation counter
2017-09-12Merge branch 'sverker/valgrind-fixes/OTP-14609' into maintSverker Eriksson
* sverker/valgrind-fixes/OTP-14609: erts: Suppress false memory leak for dlerror [ct] Cleanup and rename purify related functions as valgrind Revert "remove unused purify functions" erts: Fix memory leak when sending to terminating port erts: Fix harmless use of uninitialised value
2017-09-11Merge branch 'lukas/erts/fix_warnings' into maintLukas Larsson
* lukas/erts/fix_warnings: Fix some clang warnings Fix unused-functions warnings
2017-09-11Fix some clang warningsLukas Larsson
2017-09-11Fix unused-functions warningsLukas Larsson
2017-09-07Replace ad-hoc MIN/MAX macros with common onesJohn Högberg
Besides being noisy, they were already defined by a global Unix- specific header, causing the Windows build to fail if one forgot to define them.
2017-09-06Merge branch 'lukas/erts/nif_vector_q/OTP-14598' into maintJohn Högberg
OTP-14520
2017-09-05erts: Add erlang:iolist_to_iovecLukas Larsson
OTP-14520
2017-09-05Merge branch 'rickard/statistics-time-fixes/OTP-14597/ERL-465' into maintRickard Green
* rickard/statistics-time-fixes/OTP-14597/ERL-465: Bug fixes of statistics(wall_clock) and statistics(runtime) Conflicts: erts/emulator/beam/erl_time_sup.c
2017-09-05erts: Add nif ioqLukas Larsson
2017-09-05erts: Fix faulty ASSERT of table fixation counterSverker Eriksson
Cannot read fix->counter safely without table lock.
2017-09-04Bug fixes of statistics(wall_clock) and statistics(runtime)Rickard Green
2017-09-01Merge branch 'sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590' into maintSverker Eriksson
* sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590: erts: Fix crash in binary_to_atom/term for invalid utf8
2017-08-30Merge tag 'OTP-20.0' into sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590Sverker Eriksson
2017-08-30Merge tag 'OTP-19.0' into sverker/19/binary_to_atom-utf8-crash/ERL-474/OTP-14590Sverker Eriksson
2017-08-30erts: Fix crash in binary_to_atom/term for invalid utf8Sverker Eriksson
such as a sub-binary, of a correct utf8 string, that ends in the middle of a character.
2017-08-30erts: Fix memory leak when sending to terminating portSverker Eriksson
Error: Leak_DefinitelyLost erts_alloc:230 (-> 0x52E54D) [erl_alloc.h] port_task_alloc:154 (-> 0x52F3CA) [erl_port_task.c] erts_port_task_alloc_p2p_sig_data:212 (-> 0x52F5D3) [erl_port_task.c] erts_port_output:2147 (-> 0x4F6057) [io.c] erts_port_command:4126 (-> 0x4FA10E) [io.c] do_send:2200 (-> 0x4E4C64) [bif.c] erl_send:2494 (-> 0x4E5E09) [bif.c] process_main:1730 (-> 0x43ADA5) [beam_emu.c]
2017-08-28erts: Fix harmless use of uninitialised valueSverker Eriksson
Conditional jump or move depends on uninitialised value(s): erts_msgq_update_internal_pointers:487 (-> 0x5A7AF9) [erl_message.h] erts_msgq_replace_msg_ref:496 (-> 0x5A7B4C) [erl_message.h] move_msgq_to_heap:2487 (-> 0x5AED4F) [erl_gc.c] minor_collection:1380 (-> 0x5AB3F4) [erl_gc.c]
2017-08-25Merge branch 'rickard/btm-auto-cleanup-bug/OTP-14554' into maint-20Erlang/OTP
* rickard/btm-auto-cleanup-bug/OTP-14554: Fix BIF timer race between timeout and auto cleanup
2017-08-25Merge branch 'rickard/timer-sid-bug/OTP-14548' into maint-20Erlang/OTP
* rickard/timer-sid-bug/OTP-14548: Fix scheduler id field in timers # Conflicts: # erts/emulator/beam/erl_hl_timer.c
2017-08-24Merge branch 'rickard/btm-auto-cleanup-bug/OTP-14554' into maintRickard Green
* rickard/btm-auto-cleanup-bug/OTP-14554: Fix BIF timer race between timeout and auto cleanup
2017-08-24Merge branch 'rickard/timer-sid-bug/OTP-14548' into maintRickard Green
* rickard/timer-sid-bug/OTP-14548: Fix scheduler id field in timers Conflicts: erts/emulator/beam/erl_hl_timer.c
2017-08-24Merge branch 'maint-20' into maintRaimo Niskanen
* maint-20: Updated OTP version Prepare release Accept non-binary options as socket-options Bump version Fix broken handling of default values in extensions for PER compiler: Fix live regs update on allocate in validator Take fail labels into account when determining liveness in block ops Check for overflow when appending binaries, and error out with system_limit
2017-08-23Fix BIF timer race between timeout and auto cleanupRickard Green
2017-08-23Fix scheduler id field in timersRickard Green
2017-08-23Merge branch 'rickard/unicode-display_string/OTP-14545' into maintRickard Green
* rickard/unicode-display_string/OTP-14545: Unicode support for erlang:display_string/1
2017-08-23Unicode support for erlang:display_string/1Rickard Green
2017-08-23Merge branch 'sverker/halt-unicode-slogan/OTP-14553' into maintSverker Eriksson
* sverker/halt-unicode-slogan/OTP-14553: erts: Allow any unicode string as crash dump slogan erts: Generate crash_dump slogan string as UTF8 erts: Refactor erts_unicode_list_to_buf
2017-08-23erts: Allow any unicode string as crash dump sloganSverker Eriksson
i.e the first argument to erlang:halt
2017-08-23Merge branch 'john/erts/fix-binary-append-syslimit/OTP-14524' into maint-20Erlang/OTP
* john/erts/fix-binary-append-syslimit/OTP-14524: Check for overflow when appending binaries, and error out with system_limit # Conflicts: # erts/emulator/test/bs_construct_SUITE.erl
2017-08-16Merge branch 'lukas/erts/fix_dirty_trace_message_flush/OTP-14538' into maintLukas Larsson
* lukas/erts/fix_dirty_trace_message_flush/OTP-14538: erts: Must have main lock when flushing trace messages
2017-08-01Check for overflow when appending binaries, and error out with system_limitJohn Högberg
This fixes the following bug: A = <<0:((1 bsl 32)-8)>>, B = <<2, 3>>. B =:= <<A/binary,1,B/binary>>. %% Evaluated to true...
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
2017-07-25Merge 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
2017-07-25Merge branch 'sverker/big-bxor-bug/ERL-450/OTP-14514' into maint-19Erlang/OTP
* sverker/big-bxor-bug/ERL-450/OTP-14514: erts: Fix bug in bxor of a big negative number
2017-07-25Merge branch 'sverker/prealloc-race-bug/OTP-14491' into maint-19Erlang/OTP
* sverker/prealloc-race-bug/OTP-14491: erts: Fix bug in quick alloc
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