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RFC3339 mentions in paragraph 5.1 that if certain conditions are
fulfilled, then sorting date and time strings results in a
time-ordered sequence. One of the conditions is that the strings must
have the same number of fractional second digits. This commits makes
sure this is indeed the case.
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* maint-18:
Updated OTP version
Prepare release
Optimize operator '--' and yield on large inputs
Conflicts:
OTP_VERSION
erts/doc/src/notes.xml
erts/emulator/beam/erl_alloc.types
erts/emulator/beam/erl_bif_lists.c
erts/vsn.mk
lib/stdlib/doc/src/notes.xml
lib/stdlib/vsn.mk
make/otp_version_tickets
otp_versions.table
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* maint-20:
Updated OTP version
Prepare release
Optimize operator '--' and yield on large inputs
Conflicts:
OTP_VERSION
erts/doc/src/notes.xml
erts/emulator/beam/erl_alloc.types
erts/emulator/beam/erl_bif_lists.c
erts/vsn.mk
lib/ssl/doc/src/notes.xml
lib/ssl/vsn.mk
lib/stdlib/doc/src/notes.xml
lib/stdlib/vsn.mk
make/otp_version_tickets
otp_versions.table
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The removal set now uses a red-black tree instead of an array on
large inputs, decreasing runtime complexity from `n*n` to
`n*log(n)`. It will also exit early when there are no more items
left in the removal set, drastically improving performance and
memory use when the items to be removed are present near the head
of the list.
This got a lot more complicated than before as the overhead of
always using a red-black tree was unacceptable when either of the
inputs were small, but this compromise has okay-to-decent
performance regardless of input size.
Co-authored-by: Dmytro Lytovchenko <[email protected]>
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The removal set now uses a red-black tree instead of an array on
large inputs, decreasing runtime complexity from `n*n` to
`n*log(n)`. It will also exit early when there are no more items
left in the removal set, drastically improving performance and
memory use when the items to be removed are present near the head
of the list.
This got a lot more complicated than before as the overhead of
always using a red-black tree was unacceptable when either of the
inputs were small, but this compromise has okay-to-decent
performance regardless of input size.
Co-authored-by: Dmytro Lytovchenko <[email protected]>
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* john/erts/minusminus_trapping/OTP-15371:
Optimize operator '--' and yield on large inputs
Inline erts_cmp
Clarify a magical allocation size
Fix trapping in lists:reverse/2
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The removal set now uses a red-black tree instead of an array on
large inputs, decreasing runtime complexity from `n*n` to
`n*log(n)`. It will also exit early when there are no more items
left in the removal set, drastically improving performance and
memory use when the items to be removed are present near the head
of the list.
This got a lot more complicated than before as the overhead of
always using a red-black tree was unacceptable when either of the
inputs were small, but this compromise has okay-to-decent
performance regardless of input size.
Co-authored-by: Dmytro Lytovchenko <[email protected]>
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It returns `ok`, instead of `noreply`.
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The type `beam()` in the `beam_lib` module is confusing:
-type beam() :: module() | file:filename() | binary().
It says that the module name can be used to identify the BEAM module
to be accessed, but passing in the module name only works if the BEAM
file is located in the current working directory because the module
is not searched for in the code path.
The reason that it is allowed to pass in the module name as an atom is
for backward compatibility. A long time ago, atoms instead of strings
were used as filenames. For that reason, `filename` and `file` still
accept atoms as filenames (although the practice is frown
upon). `beam_lib` accepts an atom as the filename for the same reason.
To remove the confusion, remove `module()` from the type and the
mention of it in the documentation. Code that uses an atom as a
filename will still work, but Dialyzer will issue a warning.
https://bugs.erlang.org/browse/ERL-696
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Note that this does *not* affect -include()'d files or the -file()
directive.
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ERL-724: "During a 'gentle' shutdown, supervisors unlink from their
children before sending shutdown signals to them. This can lead to a
race condition in supervision trees, when the timeout for gentle
shutdown of a parent supervisor expires and it kills a child
supervisor that has just unlinked from a child of its own, leaving the
child supervisor's own child still running after its supervisor is
killed."
This commit adds a warning about this in the documentation.
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See also https://bugs.erlang.org/browse/ERL-667.
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See also https://bugs.erlang.org/browse/ERL-607.
A zero field width used to insert line breaks "everywhere", but with
this patch no line breaks are inserted.
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Missing space in gen_event doc
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* sverker/ets-count/OTP-14987:
erts,stdlib: Improve docs about obsolete ets_limit
erts: Reduce test log noise from ets_SUITE
erts: Increase scalability of ets name lookup
erts: Rename one of delete_trap to select_delete_trap
erts: Refactor usage of am_atom_put to ERTS_MAKE_AM
erts: Add system_info(ets_count)
erts: Fix narrow race between ets:new and ets:delete
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Missing space
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This reverts commit fd8e49b5bddceaae803670121b603b5eee8c5c08.
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* richcarl/eliminate_lib_module/PR-1786/OTP-15072:
Fix minor issues
Eliminate call to ct:get_progname() in ts_erl_config
Use \n escape instead of integer 10
Move error formatting to erl_error.erl and delete lib.erl
Move extended parse functions in lib.erl to erl_eval.erl
Move lib:eval_str/1 into mod_esi.erl
Remove lib:progname/0
Eliminate call to lib:progname/1 in slave.erl
Add ct:get_progname/0
Remove lib:error_message/2
Remove lib:flush_receive/0
Remove lib:send/2 and lib:sendw/2
Move lib:nonl/1 into yecc.erl
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I had missed the one in lower section.
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This reverts commit 202bb737e3deabfebee683266f4b7c42781eb521.
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* hasse/stdlib/rfc3339_datetime/OTP-14764:
stdlib: Add RFC 3339 functions to module calendar
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Allow installing multiple instances of sys debug function
This commit solves a bug which allowed installing {Fun,State} as sys debug function even if Fun was already installed. This happened in the case when the current State of the debug fun was undefined.
Also, the new format {Id,Fun,State} of debug functions can be installed, allowing multiple instances of the same fun.
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[stdlib/sys.erl] Fix sys module's debug statistics not including the out message count when using gen_server:call/2.
OTP-15047
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Functions for converting between RFC 3339 strings and system time
are added.
Options are lists, but we are considering using maps instead. If we
change, it will happen after Erlang/OTP 21.0-rc1 is released.
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* hasse/stdlib/calendar_systemtime/OTP-13413:
stdlib: Add system time functions to module calendar
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Inspiration from module lager_format.
Also some improvements of Unicode handling.
io_lib:format/3 and io_lib:fwrite/3 are new functions. The
representation of the options is a list, but we are considering using
a map instead. If we change, it will happen after Erlang/OTP 21.0-rc1
is released.
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