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2016-02-04Merge branch 'binarin/epmd-race' into maintZandra
* binarin/epmd-race: Prevent down nodes going undetected in epmd OTP-13301
2016-02-03Merge branch 'lukas/erts/enomem_no_abort/OTP-13292' into maintLukas Larsson
* lukas/erts/enomem_no_abort/OTP-13292: erts: When erts_alloc fails, the emulator no longer aborts
2016-02-02Merge branch 'rickard/monotonic-time-improvements/OTP-13222' into maintRickard Green
* rickard/monotonic-time-improvements/OTP-13222: Use nano second time unit in tracing
2016-02-02Use nano second time unit in tracingRickard Green
2016-02-02Merge branch 'margnus1/bs_unit_fix' into maintZandra
* margnus1/bs_unit_fix: hipe: Fix signed compares of unsigned sizes beam: Fix overflow bug in i_bs_add_jId hipe: Add tests for bad bit syntax float sizes Add a case testing the handling of guards involving binaries Add some more binary syntax construction tests hipe: Guard against enormous numbers in ranges hipe: Fix constructing huge binaries hipe: Fix binary constructions failing with badarith Add missing corner-case to bs_construct_SUITE hipe: Allow unsigned args in hipe_rtl_arith hipe: test unit size match in bs_put_binary_all hipe: test unit size match in bs_append Fix hipe_rtl_binary_construct:floorlog2/1 OTP-13272
2016-02-02Merge branch 'rickard/rq-len/OTP-13201' into maintRickard Green
* rickard/rq-len/OTP-13201: Fix testcase
2016-02-02Merge branch 'rickard/tcp-accept-tmo-bug/OTP-13254' into maintRickard Green
* rickard/tcp-accept-tmo-bug/OTP-13254: Fix inet driver multi timers using new time API
2016-02-02Merge branch 'rickard/monotonic-time-improvements/OTP-13222' into maintRickard Green
* rickard/monotonic-time-improvements/OTP-13222: Introduce time management in native APIs Introduce time warp safe replacement for safe_fixed option Introduce time warp safe trace timestamp formats
2016-01-27erts: When erts_alloc fails, the emulator no longer abortsLukas Larsson
2016-01-27Merge branch 'theom/freebsd-sendfile-patch-2/OTP-13271' into maintLukas Larsson
* theom/freebsd-sendfile-patch-2/OTP-13271: erts: Fix sendfile:ing of large files on FreeBSD
2016-01-27erts: Fix sendfile:ing of large files on FreeBSDJP
If the file was larger than the OS send buffer the call would fail before this patch.
2016-01-27Merge branch 'mikpe/erts/efile-write-compressed-error/OTP-13270' into maintLukas Larsson
* mikpe/erts/efile-write-compressed-error/OTP-13270: efile_drv: logic error in compressed file write
2016-01-22Merge branch 'siri/document-path-flag/OTP-13060' into maintSiri Hansen
* siri/document-path-flag/OTP-13060: Add documentation of '-path' flag to 'erl'
2016-01-22Merge branch 'rickard/test-fix' into maintRickard Green
* rickard/test-fix: Fix HL timer hard debug implementation Fix stack alignment problem in ethread test on arm Skip time_SUITE:timestamp on timewarp test
2016-01-22Fix testcaseRickard Green
2016-01-21Introduce time management in native APIsRickard Green
2016-01-21Fix inet driver multi timers using new time APIRickard Green
2016-01-20Introduce time warp safe replacement for safe_fixed optionRickard Green
The new time warp safe option is safe_fixed_monotonic_time which gives erlang:monotonic_time(). The safe_fixed option was also slightly changed. It now gives erlang:timestamp() instead of erlang:now(). This has however not been documented, so it is considered a compatible change. The above effects both ets, and dets. This commit also include the bugfix OTP-13239 for dets:info(Tab, safe_fixed). The timestamp in the result returned by dets:info(Tab, safe_fixed) was unintentionally broken as a result of the time API rewrites in OTP 18.0.
2016-01-20Introduce time warp safe trace timestamp formatsRickard Green
New timestamp options for trace, sequential trace, and system profile: - monotonic_timestamp - strict_monotonic_timestamp
2016-01-20Merge branch 'vinoski/check-awdp-esdp' into maintRickard Green
* vinoski/check-awdp-esdp: Fix dirty scheduler check in handle_aux_work
2016-01-19Merge branch 'sverk/armata-memset-bug' into maintSverker Eriksson
* sverk/armata-memset-bug: erts: Workaround memset bug in test case
2016-01-18Fix dirty scheduler check in handle_aux_workSteve Vinoski
2016-01-14Merge branch 'sverk/trace-doc-typo' into maintSverker Eriksson
* sverk/trace-doc-typo: erts: Correct faulty doc for erlang:trace/3
2016-01-14erts: Correct faulty doc for erlang:trace/3Sverker Eriksson
The entire MFA tuple is replaced with 0, not just Arity.
2016-01-14Add documentation of '-path' flag to 'erl'Siri Hansen
This flag replaces the path specified in the boot script. It has always existed, but was earlier only documented in SASL (script).
2016-01-14Merge branch 'vinoski/dirty-sched-no-aux-work/OTP-13236' into maintRickard Green
* vinoski/dirty-sched-no-aux-work/OTP-13236: Do not allow aux work on dirty schedulers
2016-01-11erts: Workaround memset bug in test caseSverker Eriksson
memset seen to fail with values larger than 255 on (armata) 32-bit ARM Debian with EGLIBC 2.13-38+rpi2+deb7u8 and gcc 4.6.3-14+rpi1.
2015-12-30Merge branch 'rickard/rq-len/OTP-13201' into maintRickard Green
* rickard/rq-len/OTP-13201: Light weight statistics of run queue lengths
2015-12-30Light weight statistics of run queue lengthsRickard Green
- statistics(total_run_queue_lengths) - statistics(run_queue_lengths) - statistics(total_active_tasks) - statistics(active_tasks) Conflicts: erts/emulator/beam/erl_process.c
2015-12-30Merge branch 'rickard/trace_call_time/OTP-13216' into maintRickard Green
* rickard/trace_call_time/OTP-13216: Use monotonic time for call_time trace
2015-12-30Fix HL timer hard debug implementationRickard Green
2015-12-30Fix stack alignment problem in ethread test on armRickard Green
2015-12-30Skip time_SUITE:timestamp on timewarp testRickard Green
2015-12-28Merge branch 'binarin/maint' into maintZandra
* binarin/maint: Don't wait for twice the delay_write timeout OTP-13220
2015-12-23Use monotonic time for call_time traceRickard Green
2015-12-21Do not allow aux work on dirty schedulersSteve Vinoski
The nature of aux work is such that dirty schedulers should not attempt to perform it. Modify the code to ensure that dirty schedulers avoid aux work. Also fix an incorrect assumption about the size of a Uint in the ErtsDirtySchedId type.
2015-12-20efile_drv: logic error in compressed file writeMikael Pettersson
Compiling OTP 18.2.1 with gcc-5.3 shows the following warning: drivers/common/efile_drv.c:1538:23: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] The code in question is: if (! (status = erts_gzwrite((ErtsGzFile)d->fd, iov[i].iov_base, iov[i].iov_len)) == iov[i].iov_len) { d->errInfo.posix_errno = d->errInfo.os_errno = errno; /* XXX Correct? */ break; } If we hoist the assignment out of the if for clarity, it becomes: status = erts_gzwrite(..., iov[i].iov_len); if (! status == iov[i].iov_len) { ...; break; } iov_len is > 0 here, and status will equal iov_len if erts_gzwrite succeeded, but will be less than iov_len if an error occurred. "! status" is 0 or 1, which can only equal iov_len if iov_len is 1 and erts_gzwrite detected an error and returned 0. The effect of this mistake is that any error when iov_len >= 2 will skip the conditional code and break statement. In particular, partial writes (0 < status && status < iov_len) will not be flagged as errors. All releases since OTP R8B-0 are affected. The variable "status" is really a boolean, which is to be set to zero on error. The fix is to set status to 1 if erts_gzwrite() returned iov_len and 0 otherwise, and to change the condition to "if (! status) ...". I'm also hoisting the assignment out of the condition since it obscures the code while providing not benefit (the condition in a while or for loop would be a different matter).
2015-12-17Update release notesErlang/OTP
2015-12-17Update version numbersErlang/OTP
2015-12-17Merge branch 'jj1bdx/jj1bdx-18.2-freebsd-hipe-fix-2' into maintErlang/OTP
* jj1bdx/jj1bdx-18.2-freebsd-hipe-fix-2: hipe_x86_signal.c: add FreeBSD sigaction code
2015-12-17Revert "Fix erroneous splitting of emulator path"Björn-Egil Dahlberg
This reverts commit 731890f3b4ac62eed1221aa7d9fd2bfa6bf51d8c.
2015-12-17hipe_x86_signal.c: add FreeBSD sigaction codeKenji Rikitake
* erts/emulator/hipe/hipe_x86_signal.c: add FreeBSD sigaction code, based on the Darwin (OS X) code
2015-12-15Prevent down nodes going undetected in epmdAlexey Lebedeff
In the following (rare) case down node will be always registered in epmd: - client connects to epmd and sends ALIVE2 request - epmd reads this request and starts to process it - during that time client socket closes in such way that subsequent write(2) in epmd will result in error - at this point we have node that was registered in database, but as the connection struct has no 'keep' flag set, the do_read() closes connection and removes it from select fdset - and so there is no way for this node to be cleaned up later. We've seen several epmd instances in such state on our production systems. And while I'm not sure what was the exact sequence of events that leads to failed write(2), issue could be easily reproduced using SO_LINGER option for socket.
2015-12-15Update release notesErlang/OTP
2015-12-15Update version numbersErlang/OTP
2015-12-14Don't wait for twice the delay_write timeoutAlexey Lebedeff
This happens only during processing ALIVE2 request. reply() already performs the same delay as in the deleted code.
2015-12-14Update preloaded modulesHenrik Nord
2015-12-11Merge branch 'sverk/setnode-rename-bug/OTP-13076' into maintSverker Eriksson
* sverk/setnode-rename-bug/OTP-13076: erts: Fix correct node name for DTRACE
2015-12-11erts: Fix correct node name for DTRACESverker Eriksson
broken by 949de78331b9c4ecb9.
2015-12-11Merge branch 'sverk/dist-ctrl-msg-overflow' into maintSverker Eriksson
* sverk/dist-ctrl-msg-overflow: erts: Fix faulty cleanup when receiving broken dist msg
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