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for compile time argument checking
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and change from Uint to UWord values
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that could return segments that are too small after being super aligned.
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Must keep mutex to serialize (un)reserve ops.
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by putting red/black color bit in 'parent' pointer
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* Coalescing and trimming of free segments in supercarrier
* Management of super aligned and super unaligned areas in
supercarrier
* Management of reservation of physical memory
* erts_mseg usage of erts_mmap
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Introduce unconditional ERTS_ASSERT
and use that for both ASSERT and ASSERT_EXPR.
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Conflicts:
erts/vsn.mk
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* msassak/empty-pattern-badarg/OTP-11350:
stdlib: extended binary_module_SUITE to assure badarg for OTP-11350
Check all pattern arguments passed to binary:matches/2
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rickard/aligned-sys_alloc-carriers_maint/OTP-11318
Conflicts:
erts/emulator/beam/erl_alloc.c
erts/emulator/beam/erl_alloc_util.c
erts/emulator/beam/erl_alloc_util.h
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erts_sys_aligned_alloc() is currently implemented using posix_memalign if
it exist, or using _aligned_malloc on Windows.
If erts_sys_aligned_alloc() exist allocators will create sys_alloc
carriers similar to how this was done pre-R16.
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Add system_info(ets_limit) to provide a way to retrieve the runtime's
maximum number of ETS tables. Add tests and documentation for it too.
Also repair the alphabetical order of system_info/1 argument descriptions
in the documentation and in the erlang.erl clauses. Add new preloaded
erlang.erl due to that change. Also ensure all system_info/1 clauses are
represented in the erlang.xml source documentation -- a couple had been
inadvertently dropped in previous commits when other clauses were added.
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Including an empty binary as one of multiple patterns passed to
binary:matches/2 would crash BEAM with: "Cannot reallocate
1342177280 bytes of memory (of type "tmp")". This ensures each pattern
is valid before trying to match.
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config.h defines HAVE_SYSLOG_H whereas the sources are looking for
NO_SYSLOG to be undefined. As the logic of "if feature is available"
makes more sense than "if feature is not unavailable", I opted for the
config.h define.
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* vinoski/sv/fix-sched-stats-disable/OTP-11317:
fix system_flag(scheduling_statistics,disable)
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Clear the "enabled" flag for scheduling statistics when disable is
specified.
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When integer_to_binary/2 receives 0 or a negative number as an argument
with a base that is different from 10, it will return incorrect values
(<<>> in the case of 0) or it will crash (with negative numbers). This
commit fixes these problems and adds tests to cover these cases.
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* sverk/mac-select-assert-bug:
erts: Fix faulty assert in "unlimited select" for mac
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* raimo/fix-signedness-flaws-in-efile_drv:
Fix EV_* macros and functions signedness flaws
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* egil/erl_driver-thread-info/OTP-11303:
erts: Document erl_driver interface lock names
erts: Extend erl_driver interface with lock names
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* raimo/linux-network-namespace-sockopt/OTP-11157:
Document socket option 'netns'
Rudimentary test
Make netns option value a string
Implement netns for SCTP + bugfixes
Implement netns option for TCP and UDP
Implement emulator netns support for TCP and UDP
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* sv-sched-percentage-option:
Silence gcc warnings in non-smp build
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* lukas/erts/clean_port_msg_dispatcher/OTP-11290:
erts: Fix segfault when scheduling release_port later_op
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For applications where measurements show enhanced performance from the use
of a non-default number of emulator scheduler threads, having to accurately
set the right number of scheduler threads across multiple hosts each with
different numbers of logical processors is difficult because the erl +S
option requires absolute numbers of scheduler threads and scheduler threads
online to be specified.
To address this issue, add a +SP option to erl, similar to the existing +S
option but allowing the number of scheduler threads and scheduler threads
online to be set as percentages of logical processors configured and
logical processors available, respectively. For example, "+SP 50:25" sets
the number of scheduler threads to 50% of the logical processors
configured, and the number of scheduler threads online to 25% of the
logical processors available. The +SP option also interacts with any
settings specified with the +S option, such that the combination of options
"+S 4:4 +SP 50:50" (in either order) results in 2 scheduler threads and 2
scheduler threads online.
Add documentation for the +SP option.
Add tests for the +SP option to scheduler_SUITE.
Add tests and documentation for two existing features of the +S option: +S
0:0 resets the scheduler thread count and scheduler threads online count to
their defaults, and specifying negative numbers for +S results in those
values being subtracted from the default values for the host.
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begin_port_cleanup can be called from a non-scheduler thread, this
means that there is no esdp available and thus erts_schedule_thr_prgr_later_op
segfaults.
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The actual port id is used to create a key from the
pointer value which is the ErlDrvPort. To do this
a new driver api function driver_async_port_key is
added and the driver API minor version is updated.
The documentation is updated and the faulty description of
how to spread ports over async threads is updated to
use the new API.
Testcase also added.
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* lukas/erts/crash_dump_acul/OTP-11264:
erts: Fix print out of acul option in crash dump
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