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* dgud/observer/chunk-proc-info:
observer: Fix alpabetic ordering when sorting on Name
observer: Handle crash when node goes down
observer: listen on correct notebook change
observer: chunk process list info
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* dgud/wx/fix-msvc-2015:
wx: Fix builds on VS-2017
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Fix a few minor issues in the lcnt documentation
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Simplify building a lock-counting emulator
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We generally avoid abbreviations such as "e.g." and "i.e." in
the documentation. We write "Erlang", not "erlang" (except when
referring to the erlang module).
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* ingela/dtls/opts:
ssl: Adopt setopts and getopts for DTLS
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* lukas/erts/trace_recv_esdp_bug/OTP-14411:
erts: the esdp is not always available in matchspec
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Revise minor notation in httpc:request/[4,5]
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* ingela/remove-debug:
ssl: Remove debug printout
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enif_monitor_process() typo
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erts: Remove old unused functions
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The functions have been found using: https://github.com/caolanm/callcatcher
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erts: Make erts_schedule_proc2port_signal static
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Add the option -emu_type to start an emulator of a certain
type. For exampe, "-emu_type lcnt" will start beam.lcnt.smp.
Any string will be accepted after -emu_type. If there is no
corresponding emulator, there will be an error similar to:
erlexec: The emulator '.../bin/x86_64-unknown-linux-gnu/beam.foo.smp' does not exist.
On Windows, there is an undocumented option "-debug". Remove
that option, because -emu_type can be used instead.
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"./configure --enable-lock-counter" would modify the behavior
of the default emulator (usually SMP).
To make lock counting more accessible, change --enable-lock-counter
to build an additional emulator in the same way as:
(cd erts/emulator && make lcnt)
(The next commit will make it easier to start the built lock-counter
emulator.)
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* ingela/dtls/replay-protect/OTP-14077:
dtls: Implement replay protection
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See RFC 6347 section 3.3
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Warn for potentially unsafe use of get_stacktrace/0
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Add option hibernate_after to gen_server, gen_statem and gen_event.
Also added to the deprecated gen_fsm behaviour.
OTP14405
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Add unicode binary support to http_uri functions
OTP-14404
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* ingela/ssl/bench-certs:
ssl: Disable Server Name verification in bench tests for now
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Conflicts:
OTP_VERSION
lib/inets/vsn.mk
lib/ssl/vsn.mk
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erlang:get_stacktrace/0 returns the stacktrace for the latest
exception. The problem is that the stacktrace is kept until the next
exception occurs. If the last exception was a 'function_clause' or a
'badarg', the arguments for the call are also kept forever. The
arguments can be terms of any size (potentially huge).
In a future release, we would like to only allow
erlang:get_stacktrace/0 from within a 'try' expression. That would
make it possible to clear the stacktrace when the 'try' expression is
exited.
The 'catch' expression has no natural end where the stacktrace could
be cleared. The stacktrace could be cleared at the end of the function
that the 'catch' occurs in, but that would cause problems in the
following scenario (from real life, but simplified):
try
...
catch _:_ ->
io:format(...),
io:format("~p\n", [erlang:get_stacktrace()])
end.
%% In io.erl.
format(Fmt, Args) ->
Res = case ... of
SomePattern ->
catch...
...;
SomeOtherPattern ->
%% Output the formatted string here
...
end,
clear_stacktrace(), %% Inserted by compiler.
Res.
The call to io:format() would always clear the stacktrace before
it could be retrieved.
That problem could be solved by tightning the scope in which the
stacktrace is kept, but the rules for how long erlang:get_stacktrace/0
would work would become complicated.
Therefore, the solution we suggest for a future major release of
OTP is that erlang:get_stacktrace/0 will return [] if it is called
outside the 'catch' part of a 'try' expression.
To help users prepare, introduce a warning when it is likely that
erlang:get_stacktrace/0 will always return an empty list, for example
in this code:
catch error(foo),
Stk = erlang:get_stacktrace()
or in this code:
try Expr
catch _:_ -> ok end,
Stk = erlang:get_stacktrace()
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* hans/inets/ftp_recv_chunk_close/OTP-14391:
inets: add testcase to ftp_SUITE Try doing three consecutive chunked receive with some changed timing in the ending sequence
inets: Try fix ftp recv_chunk timing issue
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removed ct:pal call in ssl_connection
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* bjorn/compiler/cover:
compiler.cover: Remove deleted module sys_pre_expand
Cover the first clause of v3_core:bin_expand_string/4
compile_SUITE: Test the r16, r17, r18, r19 options
erl_bifs: Remove pure BIFs serving no useful purpose
erl_bifs: Remove erlang:hash/2 from list of pure functions
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Make calls to get_stacktrace/0 future-proof
OTP-14400
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