Age | Commit message (Collapse) | Author |
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* rickard/rq-state-bug/OTP-13298:
Fix bug causing run-queue mask to become inconsistent
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* sverk/nif-test-cuddle:
erts: Fix wobbling test failure in nif_SUITE
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* msantos/ms/typo-windows-build-script:
Fix typo in Windows build scripts
OTP-13337
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ResA may have been GC'd after its last use.
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* sverk/hipe-line-table-bug/OTP-13282:
erts: Fix bug concerning line information for hipe modules
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* sverk/proc-exiting-timer-race/OTP-13245:
erts: Fix race between receive timeout and exit signal
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* binarin/epmd-race:
Prevent down nodes going undetected in epmd
OTP-13301
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* lukas/erts/enomem_no_abort/OTP-13292:
erts: When erts_alloc fails, the emulator no longer aborts
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* rickard/monotonic-time-improvements/OTP-13222:
Use nano second time unit in tracing
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* 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
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* rickard/rq-len/OTP-13201:
Fix testcase
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* rickard/tcp-accept-tmo-bug/OTP-13254:
Fix inet driver multi timers using new time API
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* 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
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Line table was left uninitialized for hipe (stub) modules
causing process_info(OtherPid, current_location) to crash.
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* theom/freebsd-sendfile-patch-2/OTP-13271:
erts: Fix sendfile:ing of large files on FreeBSD
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If the file was larger than the OS send buffer the call
would fail before this patch.
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* mikpe/erts/efile-write-compressed-error/OTP-13270:
efile_drv: logic error in compressed file write
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* siri/document-path-flag/OTP-13060:
Add documentation of '-path' flag to 'erl'
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* 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
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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.
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New timestamp options for trace, sequential trace, and
system profile:
- monotonic_timestamp
- strict_monotonic_timestamp
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* vinoski/check-awdp-esdp:
Fix dirty scheduler check in handle_aux_work
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* sverk/armata-memset-bug:
erts: Workaround memset bug in test case
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Must re-read 'state' after seizing proc locks as other thread may
have set EXITING.
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* sverk/trace-doc-typo:
erts: Correct faulty doc for erlang:trace/3
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The entire MFA tuple is replaced with 0, not just Arity.
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This flag replaces the path specified in the boot script. It has
always existed, but was earlier only documented in SASL (script).
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* vinoski/dirty-sched-no-aux-work/OTP-13236:
Do not allow aux work on dirty schedulers
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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.
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* rickard/rq-len/OTP-13201:
Light weight statistics of run queue lengths
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- statistics(total_run_queue_lengths)
- statistics(run_queue_lengths)
- statistics(total_active_tasks)
- statistics(active_tasks)
Conflicts:
erts/emulator/beam/erl_process.c
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* rickard/trace_call_time/OTP-13216:
Use monotonic time for call_time trace
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* binarin/maint:
Don't wait for twice the delay_write timeout
OTP-13220
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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.
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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).
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