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In the scenario where a gen_tcp:recv/2 detected an
error, the next gen_tcp:send should get a closed
error and not a enotconn error as was the case before.
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* lukas/erts/pgo/OTP-14604:
erts: Only do PGO if gcc supports -fprofile-correction
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Correct erlang:is_builtin/3 for apply/2 and yield/0
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* maint:
erl_process_dump: Don't assume that literals can be found
Remove one superfluous closing parenthesis in oam_intro.xml
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Native code does not register its literals in the code header for the
loaded code. Therefore, a literal created by native code can not be
found by mark_literal(). Ignore literals that can't be found instead
of crashing (the crasdump_viewer will report such literals as
incomplete heap data, but will not crash).
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* lukas/erts/gc-docs:
erts: Add Garbage Collection internal docs
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erlang:is_builtin(erlang, M, F) returns false for apply/2 and
yield/0. The documentation for erlang:is_builtin/3 says that it
returns true for BIFs that are implemented in C. apply/2 and
yield/0 are implemented in C (as BEAM instructions), and
therefore the correct return value is true.
Also see a similar argument that was made for apply/3 in the past:
http://erlang.org/pipermail/erlang-bugs/2015-October/005101.html
https://bugs.erlang.org/browse/ERL-500
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gen_sctp:connect_init/4 could return error even though the connect are in progress.
I.e. connect on socket returned "in progress".
The error can come from packet_inet_output() which is checking the socket for errors.
The issue here is that from erlang you don't think the connect is still ongoing.
But you will receive a sctp_assoc_change message later on.
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This fixes statistics_SUITE:msacc when dirty schedulers are used
during the test.
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* maint:
Updated OTP version
Update release notes
Update version numbers
erts: Fix so that bind correct schedulers
Update version
Fix error handling when decoding an AVP with an alternate dictionary
Remove unused function arguments
Fix faulty recursion
vsn -> 2.1.2
Update appup for ERIERL-14684
Fix speling error 'sndbuf' -> 'recbuf'
Add zlib:set_controlling_process/2
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* maint-20:
Updated OTP version
Update release notes
Update version numbers
erts: Fix so that bind correct schedulers
Update version
Fix error handling when decoding an AVP with an alternate dictionary
Remove unused function arguments
Fix faulty recursion
vsn -> 2.1.2
Update appup for ERIERL-14684
Fix speling error 'sndbuf' -> 'recbuf'
Add zlib:set_controlling_process/2
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into maint-20
* lukas/erts/fix-cpu-bind-w-modifies-scheduler-avail/OTP-14694:
erts: Fix so that bind correct schedulers
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When the cpu ids and scheduler ids don't match,
the end schedulers could end up not being bound
when they should be.
example:
> taskset -c 1-3 erl +S 4 +sbts
> erlang:system_info(scheduler_bindings).
{1,2,3,unbound}
This fix makes it so that all cores are used to
bind schedulers.
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* bjorn/compiler/match-literals:
Optimize instructions for comparing a register with a literal
Optimize matching of literals for single-valued types
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We can avoid calling eq() from the is_eq_exact_literal/3
and is_ne_exact_literal/3 instructions if the source operand is
an immediate (since a literal is either a boxed or a list, never
an immediate).
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* maint:
Bump version of crash dumps to 0.4
Verify that binaries of different sizes are dumped correctly
Don't dump literal areas that are not referenced at all
Dump literals separately to avoid incomplete heap data
Implement dumping of maps in crash dumps
Buffer writing of crash dumps
Conflicts:
erts/emulator/beam/erl_alloc.types
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This can happen for instance if erl_child_setup segfaults
before it can do the execv.
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* bjorn/erts/cuddle-with-tests:
Eliminate use of deprecated functions in string
Eliminate warnings for ignoring the result of an expression
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When a literal was used from several processes, the literal would
be dumped in only one of the processes. The other processes
that referenced the literals would have incomplete heap data.
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Maps would be dumped as the atom 'undefined', which is
not very informative.
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Writing of crash dumps were done using unbuffered IO. This
is slow since many small writes are done.
Use a FILE* with an allocated buffer to obtain buffered IO.
I wrote a small test program that created 50000 binaries of 200 bytes
each and then created a crash dump. The crash dumping was an order of
magnitude faster with buffered IO than without.
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* sverker/on_load-nonblocking/OTP-14680:
erts: Remove scheduler blocking during finish_after_on_load_2
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* sverker/dist-send-noreply-opt/OTP-14689:
erts: Improve distribution send operations
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Remove try-catch which must be for some old bitstring limitation.
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Reduce number of arguments to binary_to_term_int
and use the context struct instead.
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This version does not work great as the subtrees
created are not proper hash maps. Also it is not
all that performant as the extra allocations to
keep the stack there is expensive.
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(Slightly) optimize catch and try/catch
OTP-14683
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Explicitly disable HiPE's range analysis
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* lukas/erts/use_SIGRTMIN_for_sys_suspend/OTP-14682:
erts: Use SIGRTMIN on linux for sys_suspend
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The Linux real-time signal is better used on Linux
for suspending schedulers during shutdown as it doesn't
collide with SIGUSR2 usage of other applications.
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* lukas/erts/poll-thread/OTP-14346:
erts: Make a copy of erl_poll.c to help debuggers
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* rickard/null-chars/ERL-370/OTP-14543:
Don't allow null chars in various strings
Conflicts:
erts/emulator/beam/erl_alloc.types
erts/preloaded/ebin/erlang.beam
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* maint:
Revert "Merge branch 'rickard/null-char-filenames/ERL-370/OTP-14543' into maint"
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This reverts commit 0717a2194e863f3a78595184ccc5637697f03353, reversing
changes made to 71a40658a0cef8b3e25df3a8e48a72d0563a89bf.
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for normal case.
We still block for default trace and hipe.
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Conflicts:
erts/emulator/beam/beam_bp.c
erts/emulator/beam/erl_process.c
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* lukas/erts/tracing/recv_exit_signal_deadlock/OTP-14678:
erts: Fix lock order when recv tracing trapped exit signal
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* lukas/erts/fix_caller_trace_for_apply_bifs/OTP-14677:
erts: Fix caller trace for apply bifs
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Various places that now reject null chars inside strings
- Primitive file operations reject it in filenames.
- Primitive environment variable operations reject it in
names and values.
- os:cmd() reject it in its input.
Also '=' characters are rejected by primitive environment
variable operations in environment variable names.
Documentation has been updated to document null characters
in these types of data as invalid. Currently these operations
accept null chars at the end of strings, but that will change
in the future.
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