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CFLAGS weren't updated to include the sys/common directory for this build
target.
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the same as atoms.
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* john/erts/runtime-lcnt:
Document rt_mask and add warnings about copy_save
Add an emulator test suite for lock counting
Break erts_debug:lock_counters/1 into separate BIFs
Allow toggling lock counting at runtime
Move lock flags to a common header
Enable register_SUITE for lcnt builds
Enable lcnt smoke test on all builds that have lcnt enabled
Make lock counter info independent of the locks being counted
OTP-14412
OTP-13170
OTP-14413
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OTP-14413
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The implementation is still hidden behind ERTS_ENABLE_LOCK_COUNT, and
all categories are still enabled by default, but the actual counting can be
toggled at will.
OTP-13170
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It was disabled for performance reasons, and the new implementation handles
it just fine (roughly half as fast as without lcnt).
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* sverker/prealloc-race-bug/maint:
erts: Increase pre-allocated blocks #ifdef DEBUG
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to get bytes written when truncated.
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On macOS, it was not possible to start crypto after running
observer. (ERL_251)
On the beta of macOS 10.13 (High Sierra), crypto does not work
at all. (ERL-439)
The problem is that the use of the -flat_namespace option when
linking dynamic drivers such as the one for crypto. With that
option, all function names must be unique among all linked
libraries and frameworks, or the wrong function could be called.
Resolve the problem by using the two-level namespace as recommended by
Apple. We need to use the -bundle_loader option to point out beam.smp
when building all drivers and NIF libraries.
https://bugs.erlang.org/browse/ERL-251
https://bugs.erlang.org/browse/ERL-439
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* maint-20:
Updated OTP version
Update release notes
Update version numbers
erts: Fix bug in quick alloc
Fix old length usage in string
stdlib: Fix bug in proc_lib
Support arbitrary crash report in proc_lib.
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Choose a "lagom" low value to provoke both
fallback on erts_alloc
AND thread racing in lockless deallocation queue.
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* sverker/prealloc-race-bug/OTP-14491:
erts: Fix bug in quick alloc
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* rickard/statistics/OTP-14484:
Fix statistics(wall_clock) and statistics(runtime) implementation
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into maint-20
* lukas/erts/fix_outputv_port_task_cleanup/ERL-428/OTP-14481:
fixup! erts: Cleanup dropped port tasks correctly
erts: Add tests to detect port close race
erts: Cleanup dropped port tasks correctly
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* john/erts/fix-port-leak/OTP-13939/ERL-193:
Add a testcase for OTP-13939/ERL-193
Mark socket disconnected on tcp_send_or_shutdown_error
# Conflicts:
# lib/kernel/test/gen_tcp_misc_SUITE.erl
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The effect of the race is that a pre-allocated memory block
is inserted last without updating tail.data.last, which will cause
all subsequent insertions to also fail to update tail.data.last.
Hence all pre-allocation for this quick alloc instance is leaked
for this thread and will fallback on erts_alloc.
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* sverker/erts/apply-badarg/ERL-432/OTP-14490:
erts: Make apply throw 'badarg' if Args is not a list
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* bjorn/erts/fix-gen-dest:
Eliminate potential unsafe use of general destination
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instead of a strange 'undef' exception.
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* maint-19:
Updated OTP version
Update release notes
Update version numbers
Fix statistics(wall_clock) and statistics(runtime) implementation
fixup! erts: Cleanup dropped port tasks correctly
erts: Add tests to detect port close race
Add a testcase for OTP-13939/ERL-193
erts: Cleanup dropped port tasks correctly
Mark socket disconnected on tcp_send_or_shutdown_error
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* rickard/statistics/OTP-14484:
Fix statistics(wall_clock) and statistics(runtime) implementation
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into maint-19
* lukas/erts/fix_outputv_port_task_cleanup/ERL-428/OTP-14481:
fixup! erts: Cleanup dropped port tasks correctly
erts: Add tests to detect port close race
erts: Cleanup dropped port tasks correctly
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* john/erts/fix-port-leak/OTP-13939/ERL-193:
Add a testcase for OTP-13939/ERL-193
Mark socket disconnected on tcp_send_or_shutdown_error
# Conflicts:
# lib/kernel/test/gen_tcp_misc_SUITE.erl
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a3407eaa2104d6 eliminated the -gen_dest flag for macros in ops.tab.
It turns out that the new implementation (taking the address of the
X or X destination register) is unsafe if the destination is a Y
register and there can be a GC. The problem is that the address to
the Y register will change if there is a GC.
Fortunately, the few instructions in OTP 20 that have a general
destinations are safe. The put_list_ssd instruction never does a GC.
The bit syntax instructions that may do a GC will always store the
result to an X register.
To be completely sure, rewrite the destination register from 'd' to
'x' for the bit syntax instructions. That means that a bit syntax
instruction with a Y register destionation will abort the loading
if it is encountered.
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If we don't have the main lock, multiple threads may come in and
do the flush at the same time which will lead to all kinds of
strang problems.
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OTP-14337
* rickard/t2b-latin1-atom:
Fix minor vsn 1 in term_to_binary/2 broken in this branch
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OTP-14337
* rickard/t2b-latin1-atom:
Update primary bootstrap
Update preloaded modules
Fix erl_interface tests
Introduce minor vsn 2 in term_to_binary/2
Revert "kernel: Try mend disk_log whitebox tests"
Revert "erts: Do not generate atoms on old latin1 external format"
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Before this fix, the extra data attached to a port task had to
be cleaned up by the calling function. This caused problems
because the outputv call, co-allocates the extra data with the
port task. So in rare circumstances the port task would be
free'd before the extra data was free'd which led to segfault
when looking at the port task.
This has been fixed by the generic PORT_TASK_ABORT behaviour
being used even for tasks dropped in the erts_schedule_proc2port_signal
API.
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