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2018-11-23Prepare releaseErlang/OTP
2018-11-23Merge branch 'john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237' ↵Erlang/OTP
into maint-21 * john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237: Allow disabling retpoline in interpreter loop Add a ./configure flag for spectre mitigation
2018-11-20Merge branch 'john/erts/spectre-configure-flag/OTP-15430/ERIERL-237' into ↵John Högberg
john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237 * john/erts/spectre-configure-flag/OTP-15430/ERIERL-237: Allow disabling retpoline in interpreter loop Add a ./configure flag for spectre mitigation
2018-11-20Allow disabling retpoline in interpreter loopJohn Högberg
We only do this when the user has explicitly told us it's okay to partially disable mitigation (spectre-mitigation=incomplete). The macro is inert if it isn't.
2018-11-20Add a ./configure flag for spectre mitigationJohn Högberg
Note that the ERTS_NO_RETPOLINE macro introduced by this commit is completely inert unless spectre-mitigation is set to 'incomplete.' This includes when mitigation has been manually enabled through CFLAGS, so it should be impossible for it to unintentionally disable mitigation.
2018-11-15Prepare releaseErlang/OTP
2018-11-13Fix broken assertion on monitor releaseJohn Högberg
We sometimes bump the refc without messing with the table, which means that we sometimes decrement it while in the table, causing the old assertion to fail. The property we want to check is that neither end of the monitor is present in the table when the monitor is deleted.
2018-11-13Avoid closing files in gc/monitor callbacksJohn Högberg
Closing files in these callbacks could block scheduler progress and cause major system instability. We now defer these operations to a dedicated process instead. This process may in turn block forever and prevent further orphaned files from being closed, but it will keep the emulator itself from misbehaving.
2018-10-12Prepare releaseErlang/OTP
2018-10-12Merge branch 'john/erts/fix-unc-paths-windows/OTP-15333/ERL-737' into maint-21Erlang/OTP
* john/erts/fix-unc-paths-windows/OTP-15333/ERL-737: erts: Fix UNC path handling on Windows erts: Fix a compiler warning
2018-10-12Merge branch 'raimo/BSD-sockopt-pktoptions/ERIERL-187/OTP-14297' into maint-21Erlang/OTP
* raimo/BSD-sockopt-pktoptions/ERIERL-187/OTP-14297: Fix bug for sockopt pktoptions on BSD
2018-10-11erts: Fix UNC path handling on WindowsJohn Högberg
This is unlikely to be the last of the path problems seen after OTP 21, and I'm starting to regret my decision to unconditionally use long paths. The idea to hit all long-path problems all the time was good in theory as it makes such bugs far more visible, but there just aren't enough people who test pre-release versions on Windows, making this the world's slowest game of whack-a-mole.
2018-10-11erts: Fix a compiler warningJohn Högberg
This would've been a bug if the value was used.
2018-10-01Fix bug for sockopt pktoptions on BSDRaimo Niskanen
The macros for the BSD style option names had accidentally wound up outside the option parsing loop, causing unclear behaviour and Valgrind errors.
2018-09-26erts: Fix memory leak on file read errorsJohn Högberg
2018-09-24Prepare releaseErlang/OTP
2018-09-21Update copyright yearHenrik Nord
2018-09-20Merge branch 'maint-19' into maintSverker Eriksson
* maint-19: Updated OTP version Update release notes Update version numbers erts: Fix memory leak when sending to terminating port
2018-09-19Update release notesErlang/OTP
2018-09-19Update version numbersErlang/OTP
2018-09-19erts: Fix memory leak when sending to terminating portSverker Eriksson
Cherry-picked from 7c5fcd3f2701cbb614930682ac52ff75b9c26e6c. 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]
2018-09-19Merge branch 'raimo/receive-TOS-TCLASS/ERIERL-187/OTP-15145' into maintRaimo Niskanen
* raimo/receive-TOS-TCLASS/ERIERL-187/OTP-15145: Elaborate the disclaimer for 'pktoptions' Improve platform filter Fix endianness bug for CMSG parsing
2018-09-19Fix endianness bug for CMSG parsingRaimo Niskanen
2018-09-18Merge branch 'sverker/erts/robustify-dist-entry-states/OTP-15297' into maintSverker Eriksson
* sverker/erts/robustify-dist-entry-states/OTP-15297: erts: Refactor port dist_entry & conn_id into PRTSD Remove ugly fail case macros Consolidate distribution entry state transitions erts: Fix bug in undocumented system_flag(scheduling_statistics)
2018-09-18Merge 'sverker/erts/fix-aborted-pending-connection-race/OTP-15296'Sverker Eriksson
2018-09-18erts: Refactor port dist_entry & conn_id into PRTSDSverker Eriksson
spelled out as "port specific data".
2018-09-18Remove ugly fail case macrosSverker Eriksson
2018-09-18Consolidate distribution entry state transitionsSverker Eriksson
* Make connection_id part of the distribution handle as {ConnId, DistEntry} in order for BIFs to verify correct connection. * Make distribution handle opaque to net_kernel. * Remove some unsafe lockless reads of DistEntry.flags * Change state ERTS_DE_STATE_EXITING to be more of an internal state that prevents erts from enqueue, encode or schedule new data to be sent. Otherwise it should behave like ERTS_DE_STATE_CONNECTED.
2018-09-17Merge branch 'raimo/receive-TOS-TCLASS/ERIERL-187/OTP-15145' into maintRaimo Niskanen
* raimo/receive-TOS-TCLASS/ERIERL-187/OTP-15145: Write testcases for recvtos and friends Fix term buffer overflow bug Fix documentation due to feedback Implement socket option recvtos and friends
2018-09-17Merge branch 'john/erts/improve-list-reverse-trapping/OTP-15199' into maintJohn Högberg
* john/erts/improve-list-reverse-trapping/OTP-15199: Improve trapping in lists:reverse/2 Fix unsafe use of lists:reverse/1
2018-09-17Merge branch 'rickard/conf-pgo/OTP-15282' into maintRickard Green
* rickard/conf-pgo/OTP-15282: Fix PGO configure test
2018-09-14Merge branch 'hasse/syntax_tools/fix_revert/OTP-15294' into maintHans Bolinder
* hasse/syntax_tools/fix_revert/OTP-15294: erts: Add comment about [] and nil() to The Abstract Format syntax_tools: Correct erl_syntax:revert/1
2018-09-14erts: Add comment about [] and nil() to The Abstract FormatHans Bolinder
2018-09-13Improve trapping in lists:reverse/2John Högberg
If the process had more free space than reductions it could run a lot longer than it was supposed to. It didn't honor the number of reductions going in either, nor did it bump reductions when returning its result or erroring out. This commit also removes this function from a work function in scheduler_SUITE as it's extremely sensitive to the number of reductions spent in the test, causing equal_and_high_with_part_time_max to fail on some machines.
2018-09-13Fix unsafe use of lists:reverse/1John Högberg
We said reverse/2 but used reverse/1 which is unsafe to use in preloaded modules. This didn't have any effect in practice as the affected functions weren't used before the code server was started, but it's still an error.
2018-09-12Merge branch 'maint-21' into maintRickard Green
* maint-21: Updated OTP version Update release notes Update version numbers erts: Fix "Prevent inconsistent node lists" fix Fix include-path regression caused by dd0a39c Restore default SIGTERM behaviour for port programs
2018-09-11erts: Fix bug in undocumented system_flag(scheduling_statistics)Sverker Eriksson
Uses port specific data out of bounds.
2018-09-11Update release notesErlang/OTP
2018-09-11Update version numbersErlang/OTP
2018-09-11Merge branch 'sverker/erts/fix-aborted-pending-connection-race/OTP-15296' ↵Erlang/OTP
into maint-21 * sverker/erts/fix-aborted-pending-connection-race/OTP-15296: erts: Fix "Prevent inconsistent node lists" fix
2018-09-11erts: Fix "Prevent inconsistent node lists" fixSverker Eriksson
done in a31216200bdee2c04b3fb3ae5e26607674715c8a that could cause a new pending connection to be incorrectly aborted.
2018-09-11Fix term buffer overflow bugRaimo Niskanen
2018-09-10Merge branch 'raimo/improve-doc-indexing/ERL-666' into maintRaimo Niskanen
* raimo/improve-doc-indexing/ERL-666: Correct doc markers Improve indexing of cref docs
2018-09-10Restore default SIGTERM behaviour for port programsRickard Green
erl_child_setup program ignores TERM signals as of ERTS version 10.0 (cff8dce0). This setting was unfortunately inherited by port programs. This commit restores handling of TERM signals in port programs to the default behavior. That is, terminate the process.
2018-09-07Correct doc markersRaimo Niskanen
2018-09-06Merge branch 'rickard/pcre-8.42/OTP-15217' into maintRickard Green
* rickard/pcre-8.42/OTP-15217: Update PCRE from version 8.41 to version 8.42
2018-09-06Fix PGO configure testRickard Green
2018-09-06Merge pull request #1861 from fornwall/fix-cross-compilingRickard Green
erts: Fix configure check when cross-compiling OTP-15282
2018-09-06Merge branch 'maint-21' into maintRickard Green
* maint-21: Updated OTP version Update release notes Update version numbers kernel: Fix missing abort_connection in net_kernel Prevent inconsistent node lists Fix an endless rescheduling loop when a process is executing process_info(self(), ...)
2018-09-06Merge pull request #1943 from max-au/handle_signals_before_dirty_gcRickard Green
Fix an endless rescheduling loop when a process is executing process_… OTP-15275
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