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Still does not run, just compiles.
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This reverts commit e21ff9b0b69219ab3853be7e80813156113152b7.
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* pg/fix-cover-leftover-down-msg:
[cover]fix leftover {'DOWN', ..} msg in callers queue
OTP-9694
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* bjorn/fun-improvements/OTP-9667:
sys_pre_expand: Remove incorrect comment
compiler: Eliminate use of deprecated erlang:hash/2
beam_asm: Fix broken NewIndex in fun entries
beam_asm: Strenghten the calculation of Uniq for funs
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Funs are identified by a triple, <Module,Uniq,Index>, where Module is
the module name, Uniq is a 27 bit hash value of some intermediate
representation of the code for the fun, and index is a small integer.
When a fun is loaded, the triple for the fun will be compared to
previously loaded funs. If all elements in the triple in the newly
loaded fun are the same, the newly loaded fun will replace the previous
fun. The idea is that if Uniq are the same, the code for the fun is also
the same.
The problem is that Uniq is only based on the intermediate representation
of the fun itself. If the fun calls local functions in the same module,
Uniq may remain the same even if the behavior of the fun has been changed.
See
http://erlang.org/pipermail/erlang-bugs/2007-June/000368.htlm
for an example.
As a long-term plan to fix this problem, the NewIndex and NewUniq
fields was added to each fun in the R8 release (where NewUniq is the
MD5 of the BEAM code for the module). Unfortunately, it turns
out that the compiler does not assign unique value to NewIndex (if it
isn't tested, it doesn't work), so we cannot use the
<Module,NewUniq,NewIndex> triple as identification.
It would be possible to use <Module,NewUniq,Index>, but that seems
ugly. Therefore, fix the problem by making Uniq more unique by
taking 27 bits from the MD5 for the BEAM code. That only requires
a change to the compiler.
Also update a test case for cover, which now fails because of the
stronger Uniq calculation. (The comment in test case about why the
Pid2 process survived is not correct.)
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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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Also extend the test suite so that the changed code will be
executed.
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* dev:
Update copyright years
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After stopping cover with cover:stop() there could still be a {'DOWN',...}
leftover message in the calling process's message queue.
This unexpected leftover could be eliminated if erlang:demonitor/2
with option flush would be used in certain points
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Force early creations of directories.
See 8d3a2dfa646ab2ceb41905c673adb15e57bf9cfd for more details.
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If visiting a .yrl or .xrl file in emacs with erlang-mode,
then the `erlang-compile' function (normally bound to C-c C-k),
now knows how to compile yecc and leex files, and then, if that
compilation succeeds, also compiles the resulting .erl files.
Also introduce a `erlang-compile-command-function-alist'
to make it possible to hook in other functions for computing
compilation commands/expressions, depending on file name.
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Thanks to Matthias Lang.
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* ss/fix-cover-fd-leak:
Add a check logic to prevent file descriptor leak
Fix file descriptor leak
OTP-9300
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Filipe David Manana
OTP-9114: [ftp] Added (type) spec for all exported functions.
OTP-9123: mod_esi:deliver/2 made to accept binary data.
Bernard Duggan
OTP-9124: [httpd] Prevent XSS in error pages.
Michael Santos
OTP-9131: [httpd] Wrong security property names used in documentation.
Garrett Smith
OTP-9157: [httpd] Improved error messages.
Ricardo Catalinas Jim�nez
OTP-9158: [httpd] Fix timeout message generated by mod_esi.
Bernard Duggan
OTP-9202: [httpd] Extended support for file descriptors.
Attila Rajmund Nohl
OTP-9230: The default ssl kind has now been changed to essl.
OTP-9246: [httpc] httpc manager crash because of a handler retry
race condition.
Merge branch 'bmk/inets/inet56_integration' into dev
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cover module handle files as raw in export and import.
Assert counts of ports are the same at the beginning
and at the end of the test case.
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File descriptors to import cover data are left opened.
When we export and import cover data many times,
leaked descriptors cause an error.
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The Erlang mode for Emacs inserts a newline after every "->", which
saves you one keystroke when writing a function, but that is
inappropriate when writing a type spec, as you'd normally keep the
spec on one line. This change inhibits the automatic insertion when
the current line starts with "-spec" or "-type".
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* ts/cover-with-export_all:
add user specified compiler options on form reloading
OTP-9204
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* sb/make-files-like-erlc:
Change make:files to behave more like erlc
OTP-9179
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* hw/call-chmod-without-f:
Call chmod without the "-f" flag
Conflicts:
erts/emulator/test/Makefile
lib/asn1/test/Makefile
lib/crypto/test/Makefile
lib/debugger/test/Makefile
lib/docbuilder/test/Makefile
lib/edoc/test/Makefile
lib/erl_interface/test/Makefile
lib/inviso/test/Makefile
lib/parsetools/test/Makefile
lib/percept/test/Makefile
lib/ssl/test/Makefile
lib/syntax_tools/test/Makefile
lib/test_server/test/Makefile
lib/tools/test/Makefile
OTP-9170
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bmk/inets/ftp/missing_spec_causes_dialyxer_problems/OTP-9114
Also fixed a bunch of "end-years" (was 2010 but should have been 2011,
which the commit hook not happy with).
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Emacs has a facility for setting options on a per-file basis based on
comments in the source file. By default, all options are considered
"unsafe", and the user is queried before the variable is set. This
patch declares the variables erlang-indent-level, erlang-indent-guard
and erlang-argument-indent to be safe, if the value specified in the
source file is valid.
Such declarations usually look like this:
%% -*- erlang-indent-level: 2 -*-
and appear on the first line of the file.
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* lukas/tools/cover_mem_footprint/OTP-9043:
Fix spelling on analyse
Add short sleep to prevent timing issues on slow machines
Update cover tests which depend on compiled files to be skipped if the compile testcase is skipped
Conflicts:
lib/tools/test/cover_SUITE.erl
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compile testcase is skipped
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* lukas/tools/cover_mem_footprint/OTP-9043:
Update testcases which need crypto to be skipped on platforms which does not have crypto
Update internal pmap to have a process limit Add write concurrancy to cover masters ?COVER_TABLE
Update documentation to reflect performance enhancement changes of cover
Add aync_analyse_to_file function to cover
Split the cover ets tables into two tables, one with the clause info and one with the bump info. This will make it faster to search the tables when analyzing and exporting data.
Add process debug tags
Update remote collect to handle multiple requests at once
Remove io printout warnings when exporting an imported module
Make the call to cover parallel so that the test_server takes advantage of the new cool parallel cover features.
Update cover to allow multiple analyse and analyze_to_file calls at the same time. For each call a seperate process will be spawned to handle the request.
Refactor cover to prepare it for making analysis parallel
Update remote loading to only load a certain number of modules at a time to prevent memory usage explosion
Conflicts:
lib/tools/test/cover_SUITE.erl
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