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Currently, the external fun syntax "fun M:F/A" only supports
literals. That is, "fun lists:reverse/1" is allowed but not
"fun M:F/A".
In many real-life situations, some or all of M, F, A are
not known until run-time, and one is forced to either use
the undocumented erlang:make_fun/3 BIF or to use a
"tuple fun" (which is deprecated).
EEP-23 suggests that the parser (erl_parse) should immediately
transform "fun M:F/A" to "erlang:make_fun(M, F, A)". We have
not followed that approach in this implementation, because we
want the abstract code to mirror the source code as closely
as possible, and we also consider erlang:make_fun/3 to
be an implementation detail that we might want to remove in
the future.
Instead, we will change the abstract format for "fun M:F/A" (in a way
that is not backwards compatible), and while we are at it, we will
move the translation from "fun M:F/A" to "erlang:make_fun(M, F, A)"
from sys_pre_expand down to the v3_core pass. We will also update
the debugger and xref to use the new format.
We did consider making the abstract format backward compatible if
no variables were used in the fun, but decided against it. Keeping
it backward compatible would mean that there would be different
abstract formats for the no-variable and variable case, and tools
would have to handle both formats, probably forever.
Reference: http://www.erlang.org/eeps/eep-0023.html
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These dependency files was once used when building the documentation,
but are no longer needed.
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* rc/epp-include-path-fix:
Make epp search directory of current file first when including another file
OTP-9645
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* hl/fix-ms_transform-scope-warn:
ms_transform: Fix incorrect `variable shadowed' warnings
OTP-9646
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* cf/simple_one_for_one_shutdown:
Explain how dynamic child processes are stopped
Stack errors when dynamic children are stopped
Explicitly kill dynamic children in supervisors
Conflicts:
lib/stdlib/doc/src/supervisor.xml
OTP-9647
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* cf/supervisor_shutdown_infinity:
Add a warning to docs about workers' shutdown strategy
Allow an infinite timeout to shutdown worker processes
OTP-9648
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* bjorn/unicode-noncharacters/OTP-9624:
Allow noncharacter code points in unicode encoding and decoding
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* sverker/random-improved-algo:
Improve algorithm in module random.
Fix a bug in the implementation of the pseudo-random number generator
OTP-8713
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The expected behaviour of a C-style preprocessor (such as Erlang's epp) is
to allow a header file to include another header file in the same directory
even though that directory is not explicitly in the include path, and even
if the actual include path might reference another directory containing a
file with the same name. For example, if src/foo.erl explicitly includes
"../include/foo.hrl", then foo.hrl should be able to include "bar.hrl" in
that same directory even though "../include" might not be in the search
path, and even if another file named bar.hrl could be found using the search
path it should not override the one in the same directory as foo.hrl.
In Erlang, the most common situation is that a user of an installed
application includes a main public header file using include_lib
("appname/include/foo.hrl") and that file includes a secondary header file
"bar.hrl". However, if it does this using include_lib, it causes a
bootstrapping problem - in the build environment for the application itself,
the application is not necessarily found by name. On the other hand, if
foo.hrl uses a plain include, then bar.hrl might be found when the
application is built (if explicit paths are set in the makefils) but not
later on when a user includes the main header file of the installed
application via include_lib.
By making -include always look in the directory of the current file before
it uses the search path, this problem is remedied, and include directives
behave in a more intuitive way.
This completes a partial fix in R11 that only worked for include_lib().
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A Dets table with sufficiently large buckets could not always be repaired.
(Reported by Gordon Guthrie.)
The format of Dets files has been modified. When downgrading tables
created with the new system will be repaired. Otherwise the
modification should not be noticeable.
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The two noncharacter code points 16#FFFE and 16#FFFF were not
allowed to be encoded or decoded using the unicode module or
bit syntax. That causes an inconsistency, since the noncharacters
16#FDD0 to 16#FDEF could be encoded/decoded.
There is two ways to fix that inconsistency.
We have chosen to allow 16#FFFE and 16#FFFF to be encoded and
decoded, because the noncharacters could be useful internally
within an application and it will make encoding and decoding
slightly faster.
Reported-by: Alisdair Sullivan
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Now, in child specification, the shutdown value can also be set to infinity
for worker children. This restriction was removed because this is not always
possible to predict the shutdown time for a worker. This is highly
application-dependent.
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If a Dets table had been properly closed but the space management data
could not been read, it was not possible to repair the file.
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Replace the behaviour_info(callbacks) export in stdlib's behaviours with
-callback' attributes for all the callbacks.
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'behaviour_info(callbacks)' is a special function that is defined in a module
which describes a behaviour and returns a list of its callbacks.
This function is now automatically generated using the '-callback' specs. An
error is returned by lint if user defines both '-callback' attributes and the
behaviour_info/1 function. If no type info is needed for a callback use a
generic spec for it.
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Behaviours may define specs for their callbacks using the familiar spec syntax,
replacing the '-spec' keyword with '-callback'. Simple lint checks are performed
to ensure that no callbacks are defined twice and all types referred are
declared.
These attributes can be then used by tools to provide documentation to the
behaviour or find discrepancies in the callback definitions in the callback
module.
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* dev:
Update copyright years
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* bjorn/line-numbers/OTP-9468:
beam_lib_SUITE: Don't assume that "Abst" is the last chunk
test_server: Show line number for caller of test_server:fail()
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* dev:
distribution_SUITE:bulk_send_bigbig/1: Fail with more information
distribution_SUITE: Use unique slave node names
beam_lib: Handle rare race in the crypto key server functionality
busy_port_SUITE: Avoid crash in register/2
[wx] Re-generate code
[wx] Remove optional shadowing clauses
[wx] Remove warning
[wx] Fix trailing whitespace
[wx] Test colors in textctrl
[wx] Fix cleanup memory references
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* bjorn/stdlib/fix-beam_lib-race/OTP-9586:
beam_lib: Handle rare race in the crypto key server functionality
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In rare circumstances, there can be a race when the crypto key server
is started by beam_lib:crypto_key_fun/1 shortly after stopping it
using beam_lib:clear_crypto_key_fun/0. The race occurs because
the crypto key server first sends back the reply to the calling
process, then terminates. (The race is probably more likely to happen
on CPUs with hyper threading.)
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* dev:
Improve the generation of man pages
Correct XML files
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* dev:
Add documentation for cth_log_redirect and built-in hooks
Correct wrong match from lists:keyfind
Update cth_log_redirect to wait for all error_logger events before ending test
Force logging to framework log for parallel tests
Add ct_log:ct_log funcion
Add a hook for redirecting SASL and error_logger messages
Add -enable_builtin_hooks <bool> config option
Export write_events and add option to return a string
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* lukas/common_test/system_logs_to_ct_log/OTP-9543:
Add documentation for cth_log_redirect and built-in hooks
Correct wrong match from lists:keyfind
Update cth_log_redirect to wait for all error_logger events before ending test
Force logging to framework log for parallel tests
Add ct_log:ct_log funcion
Add a hook for redirecting SASL and error_logger messages
Add -enable_builtin_hooks <bool> config option
Export write_events and add option to return a string
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Conflicts:
erts/aclocal.m4
erts/include/internal/ethread_header_config.h.in
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* ta/docs-fixes:
Fix misspelling of intermediate
Fix typos in erts/preloaded/src
Fix more misspellings of compatibility
Fix misspelling of kept
Fix misspelling of compatibility in ssl_basic_SUITE
Fix misspelling of compatibility
Fix misspelling of accommodate
Fix misspelling of exceed
Fix misspelling of accidentally
Fix misspelling of erroneous in xmerl_xsd
Fix misspelling of erroneous
Fix misspelling of successful
Fix typos in instrument(3)
Fix typos in dbg(3)
dialyzer: fix a small typo in list_to_bitstring test
Fix typos in cover.erl
Fix typos (variable name) in erl_nif(3)
Fix typos in mod_esi(3)
Fix trivial typos in erlang(3)
OTP-9555
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* dev:
tar_SUITE: Work around limited pathname length on Windows
Merge the fourth bootstrap stage into the third bootstrap stage
Remove unused lib/orber/include/Makefile
Remove lib/orber/include/* from the primary bootstrap
otp_build update_primary: Don't commit generated source files
primary bootstrap: Remove source files
Conflicts:
Makefile.in
bootstrap/bin/start.script
bootstrap/bin/start_clean.script
bootstrap/lib/compiler/ebin/compiler.app
bootstrap/lib/compiler/egen/beam_opcodes.erl
bootstrap/lib/compiler/egen/core_parse.erl
bootstrap/lib/kernel/ebin/kernel.app
bootstrap/lib/kernel/ebin/kernel.appup
bootstrap/lib/orber/include/Makefile
bootstrap/lib/orber/include/corba.hrl
bootstrap/lib/orber/include/orber_pi.hrl
bootstrap/lib/stdlib/ebin/stdlib.app
bootstrap/lib/stdlib/ebin/stdlib.appup
bootstrap/lib/stdlib/egen/erl_parse.erl
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* bjorn/stdlib/fix-tar_SUITE:
tar_SUITE: Work around limited pathname length on Windows
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* dev:
Cleanup ETS bif's in hipe:erl_bif_types.erl (for dialyzer)
Conflicts:
erts/emulator/beam/erl_db.c
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* pan/erl-bif-types/OTP-9496:
Cleanup ETS bif's in hipe:erl_bif_types.erl (for dialyzer)
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Because a simple_one_for_one supervisor can have many workers, we stack
errors during its shutdown to report only one message for each encountered
error type. Instead of reporting the child's pid, we use the number of
concerned children.
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According to the supervisor's documentation:
"Important note on simple-one-for-one supervisors: The dynamically
created child processes of a simple-one-for-one supervisor are not
explicitly killed, regardless of shutdown strategy, but are expected
to terminate when the supervisor does (that is, when an exit signal
from the parent process is received)."
All is fine as long as we stop simple_one_for_one supervisor manually.
Dynamic children catch the exit signal from the supervisor and leave.
But, if this happens when we stop an application, after the top
supervisor has stopped, the application master kills all remaining
processes associated to this application. So, dynamic children that trap
exit signals can be killed during their cleanup (here we mean inside
terminate/2). This is unpredictable and highly time-dependent.
In this commit, supervisor module is patched to explicitly terminate
dynamic children accordingly to the shutdown strategy.
NOTE: Order in which dynamic children are stopped is not defined. In
fact, this is "almost" done at the same time.
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Ever since the test suites were converted to the common_test
convention, the tests for long names started to fail on Windows. The
reason is that those test cases depend on the current working
directory, and that the current working directory in common_test test
cases is usually set to a directory with a longer pathname than in
test_server test suites.
Since neither Erlang/OTP nor common_test provides a portable way
to create a temporary directory with a short name, we will have to
abuse priv_dir by going upwards from it. For further information,
see the comment in run_in_short_tempdir/2.
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* dev:
Add a high value to test data to catch type cast truncation errors
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* lukas/erts/ets_order_testcases/OTP-9459:
Add a high value to test data to catch type cast truncation errors
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"Line" is now the last chunk in a BEAM file, causing
beam_lib_SUITE:error/1 to fail. To avoid being bitten by this problem
again, don't simply change "Abst" to "Line", but use beam_lib:info/1
to find out the name of the last chunk.
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[httpc] Deprecated interface module <c>http</c> has been removed.
It has (long) been replaced by http client interface module httpc.
OTP-9359
[httpc|httpd] The old ssl implementation (based on OpenSSL),
has been deprecated. The config option that specified usage of
this version of the ssl app, *ossl*, has been removed.
OTP-9522
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