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* john/erts/improve-list-reverse-trapping/OTP-15199:
Improve trapping in lists:reverse/2
Fix unsafe use of lists:reverse/1
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* rickard/conf-pgo/OTP-15282:
Fix PGO configure test
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* hasse/syntax_tools/fix_revert/OTP-15294:
erts: Add comment about [] and nil() to The Abstract Format
syntax_tools: Correct erl_syntax:revert/1
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If the process had more free space than reductions it could run a
lot longer than it was supposed to. It didn't honor the number of
reductions going in either, nor did it bump reductions when
returning its result or erroring out.
This commit also removes this function from a work function in
scheduler_SUITE as it's extremely sensitive to the number of
reductions spent in the test, causing
equal_and_high_with_part_time_max to fail on some machines.
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We said reverse/2 but used reverse/1 which is unsafe to use in
preloaded modules. This didn't have any effect in practice as the
affected functions weren't used before the code server was started,
but it's still an error.
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* maint-21:
Updated OTP version
Update release notes
Update version numbers
erts: Fix "Prevent inconsistent node lists" fix
Fix include-path regression caused by dd0a39c
Restore default SIGTERM behaviour for port programs
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into maint-21
* sverker/erts/fix-aborted-pending-connection-race/OTP-15296:
erts: Fix "Prevent inconsistent node lists" fix
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done in a31216200bdee2c04b3fb3ae5e26607674715c8a
that could cause a new pending connection to be incorrectly aborted.
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* raimo/improve-doc-indexing/ERL-666:
Correct doc markers
Improve indexing of cref docs
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erl_child_setup program ignores TERM signals as of ERTS version
10.0 (cff8dce0). This setting was unfortunately inherited by
port programs. This commit restores handling of TERM signals
in port programs to the default behavior. That is, terminate the
process.
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* rickard/pcre-8.42/OTP-15217:
Update PCRE from version 8.41 to version 8.42
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erts: Fix configure check when cross-compiling
OTP-15282
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* maint-21:
Updated OTP version
Update release notes
Update version numbers
kernel: Fix missing abort_connection in net_kernel
Prevent inconsistent node lists
Fix an endless rescheduling loop when a process is executing process_info(self(), ...)
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Fix an endless rescheduling loop when a process is executing process_…
OTP-15275
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* rickard/dist-entry-gc-fix/OTP-15279:
Prevent inconsistent node lists
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If net_kernel "forgets" to abort a connection (as it currently might),
the garbage collection of a distribution entry could cause node lists
to enter an inconsistent state.
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* sverker/erts/ets-memstat-false-leak/ERL-720/OTP-15278:
erts: Refactor ets FixedDeletion allocations
erts: Fix ets memstat false leak of FixedDeletion
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process_info(self(), ...)
It is possible that a process has to yield before completing process_info BIF when it runs out of reductions. If this BIF is called by the process itself, it does not send a signal but executes in the context of a process. If it has to yield, it turns F_LOCAL_SIGS_ONLY flag on, which means new signals won't be fetched from the outer message queue.
When the same process needs to execute dirty system code (e.g. dirty GC) it has to be run on a dirty scheduler. However signals enqueued into outer queue cause it to be rescheduled on a normal scheduler. F_LOCAL_SIGS_ONLY prevent outer queue signals delivery, creating an endless rescheduling loop.
This commit disengages F_LOCAL_SIG_ONLY if process needs to execute dirty code in order to complete signal delivery and allow process to be moved to dirty run queue.
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Fix bug in compact representation of float_to_list/2
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causing erlang:memory to report too much ets memory.
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The operands for the raise/2 instruction are almost always in x(2) and
x(1). Therefore the loader translates the raise/2 instruction to an
i_raise/0 instruction which uses the values in x(2) and x(1). If the
operands happens to be in other registers, the loader inserts move/2
instruction to move them to x(2) and x(1).
The problem is that x(3) is used as a temporary register when
generating the move/2 instructions. That is unsafe if the
Value operand for raise/2 is x(3).
Thus:
raise x(0) x(3)
will be translated to:
move x(0) x(3)
move x(3) x(1)
move x(3) x(2)
i_raise
The Trace will be written to both x(2) and x(1).
The current compiler will never use x(3) for the Value operand,
so there is no need to patch previous releases. But a future compiler
version might allocate registers differently.
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process_info(self(), ...)
It is possible that a process has to yield before completing process_info BIF when it runs out of reductions. If this BIF is called by the process itself, it does not send a signal but executes in the context of a process. If it has to yield, it turns F_LOCAL_SIGS_ONLY flag on, which means new signals won't be fetched from the outer message queue.
When the same process needs to execute dirty system code (e.g. dirty GC) it has to be run on a dirty scheduler. However signals enqueued into outer queue cause it to be rescheduled on a normal scheduler. F_LOCAL_SIGS_ONLY prevent outer queue signals delivery, creating an endless rescheduling loop.
This commit disengages F_LOCAL_SIG_ONLY if process needs to execute dirty code in order to complete signal delivery and allow process to be moved to dirty run queue.
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* maint-21:
Updated OTP version
Update release notes
Update version numbers
Fix missing 'in' trace events during 'running' trace
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* rickard/running-trace-fix/ERL-713/OTP-15269:
Fix missing 'in' trace events during 'running' trace
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'in' trace events could be lost when a process had to be
rescheduled on another scheduler type (normal <-> dirty).
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* rickard/fix-suspend-monitor-down/OTP-15237/ERL-704:
Fix incoming suspend monitor down
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An incoming suspend monitor down wasn't handled correct when the
local monitor half had been removed with an emulator crash as result.
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into maint
erts: Delete fd from poll-set when closing fd_driver port
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* maint-21:
Updated OTP version
Update release notes
Update version numbers
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* maint-19:
Updated OTP version
Update release notes
Update version numbers
syntax_tools: Fix a bug regarding reverting map types.
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* rickard/full-cache-nif-env/OTP-15223/ERL-695:
Fix caching of NIF environment when executing dirty
# Conflicts:
# erts/emulator/beam/erl_nif.c
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* dotsimon/ref_ordering_bug/OTP-15225:
Fixed #Ref ordering bug
Test #Ref ordering in lists and ets
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* maint-20:
Updated OTP version
Update release notes
Update version numbers
crypto: Fix crash in compute_key(ecdh, ...) on badarg
Relax add_table_copy restriction
Fixed #Ref ordering bug
Test #Ref ordering in lists and ets
Do NOT disc_load from ram_copies when master_node is set
ssl: Make sure that a correct cipher suite is selected
ssl: Correct handling of empty server SNI extension
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