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* peterdmv/stdlib/fix_uri_string_normalize/ERL-636/OTP-15112:
stdlib: Fix release_tests target in Makefile
stdlib: Fix normalization function in uri_string
Change-Id: I656a583befd8950d4326d15e60145c617acd41c3
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'make release_tests' copies the property_test directory.
Change-Id: Ife75711aec1ef6e85ef091b1ba28a221be3d1110
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* jl/sharpen-maps-tests/OTP-14012:
stdlib: Fix error reason for maps:with/without
Check for the overlap between maps and iterators
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- Fix parsing of hostnames that start with a number.
- Update uri_string:parse/1 to be only responsible for parsing
input URIs into URI components. Implicit percent-encoding
normalization has been removed.
- Implement percent-encoding normalization.
- Update uri_string:normalize/{1,2} to include percent-encoding
normalization.
- Update test suites according to the new semantics.
- Add new property test: normalize
Change-Id: I6f37dcae2b3fcb4b29d286dbb0dfc563e8f211ae
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Module and Id are now always included as fields in Config, so these
are no longer returned as separate elements.
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And add field 'module' in handler config.
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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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* dgud/stdlib/string-case-bin-bug:
Fix *case bugs for binaries
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Bad optimizing code introduced in 5c51e87bee9d
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* sverker/ets-delete_all_objects-trap/OTP-15078:
erts: Rename untrapping db_free_*empty*_table
erts: Make ets:delete_all_objects yield on fixed table
erts: Optimize ets delete all in fixed table
erts: Refactor ets select iteration code
erts: Cleanup ets code
erts: Optimize ets hash object deallocactions
erts: Refactor pseudo deleted ets objects
erts: Make atomic ets:delete_all_objects yield
erts: Fix reduction bump for ets:delete/1
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Add ?OTP_RELEASE, -if and -elif to the preprocessor
OTP-15087
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OTP-14988
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Add tests which passes on Erlang release 20.0, but have changed since
then in later branches. The tests works in a "gap" between the old
test cases and the new test cases in order to make it stricter what to
return in this case.
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Libraries or applications that support more than one major
release of OTP may need to use conditional compilation of
Erlang source code. Here are few examples where it would be
necessary or desirable:
* To support a new data type or language feature only available
in the latest major release (real-world examples: maps and the
stacktrace syntax).
* To avoid warnings for deprecated functions.
* To avoid dialyzer warnings.
Previously, to do conditional compilation, one would have to
use a parse transform or some external tool such as 'autoconf'.
To simplify conditional compilation, introduce the -if and -elif
preprocessor directives, to allow code like this to be written:
-if(?OTP_RELEASE =:= 21).
%% Code that will only work in OTP 21.
-else.
%% Fallback code.
-endif.
What kind of expressions should be allowed after an -if?
We certainly don't want to allow anything with a side effect,
such as a '!' or a 'receive'. We also don't want it to be
possible to call erlang:system_info/1, as that could make the
code depedent on features of the run-time system that could
change very easily (such as the number of schedulers).
Requiring the expression to be a guard expression makes most
sense. It is to explain in the documentation and easy for users
to understand. For simplicity of implementation, only a single
guard expression will be supported; that is, the ',' and ';' syntax
for guards is not supported.
To allow some useful conditions to be written, there is a special
built-in function:
defined(Symbol) tests whether the preprocessor symbol is defined,
just like -ifdef. The reason for having this defined/1 is that
the defined test can be combined with other tests, for example:
'defined(SOME_NAME) andalso ?OTP_RELEASE > 21'.
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by using a cooperative strategy that will make
any process accessing the table execute delelete_all_objects_continue
until the table is empty.
This is not an optimal solution as concurrent threads will still
block on the table lock, but at least thread progress is made.
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Add a new pre-defined macro called OTP_RELEASE that will expand
to an integer being the OTP version. Thus, in OTP 19 the value will
be the integer 19.
The OTP_RELEASE macro is particularly useful in order to have
different source code depending on new language features or new
features in the type specification syntax. Those features are only
introduced in major versions of OTP.
To be truly useful, the -if preprocessor directive need to be
implemented. That is the purpose of the next commit.
Code that will need to work in both OTP 18 and OTP 19 can be
structured in the following way:
-ifdef(OTP_RELEASE).
%% Code that only works in OTP 19 and later.
-else.
%% Code that will work in OTP 18.
-endif.
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This replaces all uses of lib:progname/0 in tests.
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* siri/kernel/logger/OTP-13295:
Add documentation of the built-in logger handlers
Catch badarg in logger:get_format_depth/0
Add chars_limit option to logger_formatter
Don't kill logger process until all other processes are dead
Set call timeout for logger_server to infinity
Update primary bootstrap
Test cuddle for logger
Update cth_log_redirect to a logger handler
Start using logger internally in kernel and stdlib
Remove error_logger process and add logger process
Add logger
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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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Use the same depth for all (printed) elements of a map.
Since the order of keys can vary when printing a map--maps:iterator/1
and maps:next/1 are used--it is more consistent to print all
associations with the same depth.
If the associations printed are limited by the depth, the selection
of associations is arbitrary, as before.
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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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A bug fix: limited maps end with "...", not "...=>...".
A modification: wW separate pairs with " => ", not "=>".
When the output is limited on number of characters, the term is
balanced by wW the same way as is done with pP (see commit bc38638).
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The name of the io_lib_pretty:print/2 option 'max_chars' is changed to
'line_max_chars' (used by module shell only).
The new option for limiting the number of returned characters of
io_lib_pretty:print() is called 'chars_limit'.
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* hasse/stdlib/map_guards_shell/OTP-15035/ERL-613:
erts: Correct abstract format doc regarding map creation
stdlib: Correct the linter's check of map guard expressions
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The check is used by evaluating modules such as erl_eval.
An example: "if map_size(#{}) =:= 0 -> ok end.".
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* raimo/stdlib/gen_statem-dev/OTP-14015:
Fix after feedback
Improve pointer to User's Guide
Fix after feedback on 'When to use'
Add a 'When to use' section
Fix timeout parsing and doc feedback
Improve doc, change images to .svg
erl_docgen: Implement width in image tag
Update User's Guide and pointers to it
Improve error reasons from state enter call
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Currently, in sys:stat/2, the message out only count for system events with format
{out, Msg, To}. However, the gen_server:reply/5 will call sys:handle_debug/4
with format {out, Reply, To, State}. That will make the message out count fail
to pattern matching.
Also update sys_SUITE.erl and relevant docs.
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and not the name. For more sane named table semantics.
Applies to both select/1 continuation and trap context.
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Deprecate erlang:get_stacktrace/1
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Those warnings don't make sense any more since erlang:get_stacktrace/0
is now deprecated.
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for erts, stdlib, kernel and runtime_tools.
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[ERL-557] add is_empty/1 to sets and ordsets
OTP-14996, ERL-557, PR-1703
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* maint:
Updated OTP version
Update release notes
Update version numbers
ssh: Fix bad spec for double_algs() in ssh.hrl
Test event insert from init
Fix init to allow all actions
Conflicts:
OTP_VERSION
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statistics(runtime) does not seem to work on some virtual machines.
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Implementation of true asynchronous signaling between processes
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Communication between Erlang processes has conceptually always been
performed through asynchronous signaling. The runtime system
implementation has however previously preformed most operation
synchronously. In a system with only one true thread of execution, this
is not problematic (often the opposite). In a system with multiple threads
of execution (as current runtime system implementation with SMP support)
it becomes problematic. This since it often involves locking of structures
when updating them which in turn cause resource contention. Utilizing
true asynchronous communication often avoids these resource contention
issues.
The case that triggered this change was contention on the link lock due
to frequent updates of the monitor trees during communication with a
frequently used server. The signal order delivery guarantees of the
language makes it hard to change the implementation of only some signals
to use true asynchronous signaling. Therefore the implementations
of (almost) all signals have been changed.
Currently the following signals have been implemented as true
asynchronous signals:
- Message signals
- Exit signals
- Monitor signals
- Demonitor signals
- Monitor triggered signals (DOWN, CHANGE, etc)
- Link signals
- Unlink signals
- Group leader signals
All of the above already defined as asynchronous signals in the
language. The implementation of messages signals was quite
asynchronous to begin with, but had quite strict delivery constraints
due to the ordering guarantees of signals between a pair of processes.
The previously used message queue partitioned into two halves has been
replaced by a more general signal queue partitioned into three parts
that service all kinds of signals. More details regarding the signal
queue can be found in comments in the erl_proc_sig_queue.h file.
The monitor and link implementations have also been completely replaced
in order to fit the new asynchronous signaling implementation as good
as possible. More details regarding the new monitor and link
implementations can be found in the erl_monitor_link.h file.
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