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2016-01-27Merge branch 'maint'Lukas Larsson
* maint: efile_drv: logic error in compressed file write
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
2016-01-26Merge branch 'lukas/erts/gc_info/OTP-13265'Lukas Larsson
* lukas/erts/gc_info/OTP-13265: erts: Add garbage_collection_info to process_info/2 Conflicts: erts/emulator/beam/erl_bif_info.c
2016-01-22Merge branch 'maint'Rickard Green
* maint: Fix HL timer hard debug implementation Fix stack alignment problem in ethread test on arm Skip time_SUITE:timestamp on timewarp test
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
2016-01-20Merge branch 'maint'Rickard Green
* maint: Fix dirty scheduler check in handle_aux_work
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 'maint'Sverker Eriksson
2016-01-19Merge branch 'sverk/armata-memset-bug' into maintSverker Eriksson
* sverk/armata-memset-bug: erts: Workaround memset bug in test case
2016-01-19Merge branch 'sverk/safe-purging/OTP-13122'Sverker Eriksson
* sverk/safe-purging/OTP-13122: erts: Ignore unexpected messages to erts_code_purger erts: Optimize erlang:check_process_code erts: Refactor check_process_code/3 erts: Make copy_literals more fail safe erts: Move copy_literals/2 from erlang to erts_internal erts: Make erlang:purge_module/1 safe erts: Refactor code:purge/1 and code:soft_purge/1 erts: Introduce erts_code_purger
2016-01-18Fix dirty scheduler check in handle_aux_workSteve Vinoski
2016-01-14Merge branch 'maint'Rickard Green
* maint: Do not allow aux work on dirty schedulers
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
2016-01-13erts: Optimize erlang:check_process_codeSverker Eriksson
by ignoring literals. erts_internal:check_process_code will be called again anyway (with option {copy_literals, true}) before the module is actually purged. No need to check literals twice.
2016-01-13erts: Make copy_literals more fail safeSverker Eriksson
* Same process must do enable-disable. * System process will force it and never get 'aborted'
2016-01-13erts: Move copy_literals/2 from erlang to erts_internalSverker Eriksson
as it's not a public interface.
2016-01-13erts: Make erlang:purge_module/1 safeSverker Eriksson
Problem: erlang:purge_module/1 is not safe in the sense that very bad things may happen if the code to be purged is still referred to by live processes. Introduce erts_internal:purge_module which is the same as the old erlang:purge_module BIF (except it returns false if no such old module). Implement erlang:purge_module in Erlang and let it invoke erts_code_purger for safe purging where all clogging processes first are killed.
2016-01-13Merge branch 'sverk/fvisibility-hidden/OTP-13227'Sverker Eriksson
* sverk/fvisibility-hidden/OTP-13227: erts: Allow -fvisibility=hidden for NIFs and drivers erts: Cleanup erl_driver.h for windows erts: Refactor ERL_NIF_INIT macro
2016-01-13erts: Introduce erts_code_purgerSverker Eriksson
as a system process with preloaded code.
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.
2016-01-08erts: Allow -fvisibility=hidden for NIFs and driversSverker Eriksson
as is strongly recommended by gcc man page. We use __attribute__ ((visibility("default"))) to make sure the init functions are properly exported.
2016-01-08erts: Cleanup erl_driver.h for windowsSverker Eriksson
The comment is misleading and no need to "export" static windows drivers. DRIVER_INIT for dynamic windows drivers is defined in erl_win_dyn_driver.h
2016-01-08erts: Refactor ERL_NIF_INIT macroSverker Eriksson
2016-01-07Merge branch 'sverk/proc-dict-opt'Sverker Eriksson
OTP-13167 * sverk/proc-dict-opt: erts: Add new test case pdict_SUITE:mixed erts: Add 'fill_heap' to erts_debug:state_internal_state erts: Rename proc dict size to arraySize erts: Refactor proc dict with 'usedSlots' erts: Add sizeMask for faster proc dict indexing erts: Remove ProcDict.used erts: Add proc dict macros ERTS_PD_START/SIZE erts: Optimize away function "array_put" in proc dict erts: Optimize hashing in process dictionary
2016-01-07Merge branch 'sverk/float_SUITE-arith'Sverker Eriksson
* sverk/float_SUITE-arith: erts: Add new test cases to float_SUITE
2016-01-07Merge branch 'sverk/check_process_code-fix'Sverker Eriksson
* sverk/check_process_code-fix: erts: Fix bug in check_process_code for literals
2015-12-30Merge branch 'maint'Rickard Green
* maint: Light weight statistics of run queue lengths Conflicts: erts/preloaded/ebin/erlang.beam
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 'maint'Rickard Green
* maint: Use monotonic time for call_time trace
2015-12-30Merge branch 'rickard/ohmq-fixup/OTP-13047'Rickard Green
* rickard/ohmq-fixup/OTP-13047: Fix asynchronous BIF timer cancellation message reply
2015-12-30Fix HL timer hard debug implementationRickard Green
2015-12-30Skip time_SUITE:timestamp on timewarp testRickard Green
2015-12-29Fix asynchronous BIF timer cancellation message replyRickard Green
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).
2015-12-18Merge branch 'lv/fix-compilation-with-vm-probes/OTP-13209'Björn-Egil Dahlberg
* lv/fix-compilation-with-vm-probes/OTP-13209: Fix compilation with `--enable-vm-probes`
2015-12-18Merge branch 'maint'Henrik Nord
Conflicts: OTP_VERSION erts/vsn.mk
2015-12-18Merge branch 'rickard/ohmq-fixup/OTP-13047'Rickard Green
* rickard/ohmq-fixup/OTP-13047: Fix offset_mqueue
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
2015-12-16Fix offset_mqueueRickard Green
2015-12-15erts: Fix bug in check_process_code for literalsSverker Eriksson
2015-12-15Merge branch 'rickard/ohmq-fixup/OTP-13047'Rickard Green
* rickard/ohmq-fixup/OTP-13047: Fix check_process_code()
2015-12-15erts: Add 'fill_heap' to erts_debug:state_internal_stateSverker Eriksson
to make it easy to provoke GC inside/after a BIF or instruction.
2015-12-15erts: Rename proc dict size to arraySizeSverker Eriksson
for naming style consistency.
2015-12-15erts: Refactor proc dict with 'usedSlots'Sverker Eriksson
which is same as old homeSize + splitPosition.
2015-12-15Merge branch 'lukas/erts/forker'Lukas Larsson
* lukas/erts/forker: (28 commits) erts: Never abort in the forked child erts: Mend ASSERT makro for erl_child_setup erts: Allow enomem failures in port_SUITE erts: iter_port sleep longer on freebsd erts: Allow one dangling fd if there is a gethost port erts: Only use forker StackAck on freebsd erts: It is not possible to exit the forker driver erts: Add forker StartAck for port start flowcontrol erts: Fix large open_port arg segfault for win32 erts: Fix memory leak at async open port kernel: Remove cmd server for unix os:cmd erts: Add testcase for huge port environment erts: Move os_pid to port hash to child setup erts: Handle all EINTR and EAGAIN cases in child setup erts: Make child_setup work with large environments erts: Fix forker driver ifdefs for win32 erts: Fix uds socket handling for os x erts: Fix dereferencing of unaligned integer for sparc erts: Flatten too long io vectors in uds write erts: Add fd count test for spawn_driver ... Conflicts: erts/emulator/beam/erl_node_tables.c erts/preloaded/src/erts_internal.erl
2015-12-15erts: Never abort in the forked childLukas Larsson
We always want the error to propagate up to the application when a child cannot be created.
2015-12-15erts: Mend ASSERT makro for erl_child_setupSverker Eriksson
when called by hash.c for example. We use ASSERT from sys.h but erl_child_setup implements its own erl_assert_error() as it doesn't link with sys.o.
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