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This reverts commit 644a3ec2848da340490c4027df293a3136de60a4.
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This reverts commit 38ee7a20cfdc22ead35b4711a086babcf6b3069b.
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* egil/fix-compiler-warnings:
erts: Use re instead of regexp in testsuite
erts: Remove unused code in testsuites
orber: Use modern list guard in testsuite
orber: Ignore unused variable in orber_tb.erl
xmerl: Ignore unused variable in xmerl_uri.erl
syntax_tool: Add missing type information
hipe: Suppress warnings for unused variables
hipe: Add type information to cfg_info record
tools: Use literal formatting in erl_memory.c
asn1: Remove unused variable in asn1_erl_nif.c
ei: Remove unused variable in ei_format.c
erts: Add missing prototype to DRIVER_INIT
runtime_tools: Fix signedness in trace_ip_drv.c
to_erl: Remove compiler warnings
heart: Suppress compiler warnings
erts: Remove compiler warnings in inet_gethost.c
erts: Remove dead code in inet_gethost.c
erts: Remove dead code
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* egil/system_profile-profiler-fix/OTP-9849:
erts: Do not profile system profiler pid
test: system_profile profiler pid is not profiled
Remove line macros in system_profile_SUITE
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* bjorn/compiler/match-fail/OTP-9842:
Add the beam_except pass to optimize exceptions
Eliminate the match_fail primop in v3_kernel and later passes
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In order to save space, rewrite suitable calls to erlang:error/{1,2}
to special BEAM instructions.
This code is probably longer than the code taken out of v3_life and
v3_codegen in the previous commit, but it is much easier to
understand and maintain since the BEAM assembler format is better
understood than the v3_life format.
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In the v3_life pass, it is assumed that a 'match_fail' primop
only occur at the top-level and at the end of a function.
But this code:
do_split_cases(A) ->
case A of
x ->
Z = dummy1;
_ ->
Z = dummy2,
a=b
end,
Z.
will be optimized by sys_core_fold to the following code:
'split_cases'/1 =
fun (_cor0) ->
let <_cor7,Z> =
case _cor0 of
<'x'> when 'true' ->
< 'dummy1','dummy1' >
<_cor6> when 'true' ->
%% Here follows a 'match_fail' primop inside
%% multiple return values:
< primop 'match_fail'({'badmatch','b'}),'dummy2' >
end
in
Z
moving the 'match_fail' primop into a "values" construction.
In the future, we would like to get rid of the v3_life pass (it is
there for historical reasons), so in the mean-time we prefer to not
add more code to it by generalizing the handling of 'match_fail'.
Since the 'match_fail' primop can be simulated by erlang:error/{1,2},
the simplest solution is to translate 'match_fail' to a call to
erlang:error/{1,2} in v3_kernel and remove the handling of
'match_fail' in v3_life and v3_codegen.
It is tempting to get rid of 'match_fail' also in the Core Erlang
format, but there are two issues:
- Removing the support for 'match_fail' completely may break tools
that generate Core Erlang code. We should not do that in a minor
release.
- There is no easy way to generate a 'function_clause' exception
that will remain correct if it will be inlined into another
function. (Calling "erlang:error(function_clause, Args)" is
fine only if it is not inlined into another function.) A good
solution probably involves introducing new instructions, which
is better done in a major release.
Noticed-by: Håkan Matsson
Minimized-test-case-by: Erik Søe Sørensen
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* lukas/docfixes/OTP-9850:
Fix some broken links in documentation
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Type information was missing from cfg_info record.
* Add any() to 'params'
* Add list() to 'info'
The 'params' field should be constrained to a narrower type.
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* Removes -Wformat-security problems
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* The DRIVER_INIT macro will now produce an prototype for
the driver_init() function in addition to previous
behaviour.
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* Multiple functions had conflicting signedness in
their prototypes for some arguments.
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* Added a goto fail in worker loop if write() fails.
The 'fail' label used to be win32 only but is now
used across platforms.
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Conflicts:
erts/vsn.mk
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* rickard/no-smp-dev-poll-bug/OTP-9844:
Include wakeup pipe in /dev/poll poll-set also on non-SMP
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* rickard/lwsync/OTP-9843:
Fix lwsync instruction feature test
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A feature test for the lwsync instruction performed on PowerPC
hardware at runtime system startup got into an eternal loop if
the instruction was not supported. This bug was introduced in
erts-5.9/OTP-R15B.
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I/O events could potentially be delayed for ever when enabling
kernel-poll on a non-SMP runtime system executing on Solaris. When
also combined with async-threads the runtime system hung before
completing the boot phase. This bug was introduced in
erts-5.9/OTP-R15B.
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* raimo/opu-fixes:
inet_res_SUITE: Go back to old way to kill test name server
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* hb/erl_docgen/fix_links/OTP-9832:
Generate links in C libraries correctly
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* siri/sasl/check-config-in-tar/OTP-9539:
Check that sys.config and relup have valid content when added to tar
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* siri/sasl/require-kernel-start/OTP-9652:
Reject systools:make_script if kernel and stdlib are not permanent in .rel
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* siri/stdlib/delete-temp-childspec-on-ignore/OTP-9782:
Don't save child spec for temporary child if child's start func returns ignore
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systools:make_tar now does a minor check of the content of sys.config
and relup before adding them to the tar file. If the content is not
readable or in expected format, the function fails.
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It should not be possible to create a .boot file unless kernel and
stdlib are stated as permanent applications in the .rel file. Note
that 'permanent' is the default start type, so not specifying a start
type for kernel and stdlib is, as always, ok.
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Supervisor should never keep child specs for dead temporary children.
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* anders/diameter/testsuites/OTP-9829: (21 commits)
Install example dictionaries
Move example code to examples/code
Move example dictionaries to examples/dict
Set name/prefix at compilation, not in dictionaries
Add RFC 4004 (MIP) dictionary
Add RFC 4740 (SIP) dictionary
Add RFC 4072 (EAP) dictionary
Add RFC 4006 (CC) dictionary
Add RFC 4005 (NAS) dictionary
Add standards testcase to compiler suite
Remove {init,end}_per_group workaround
Use new syntax for specifying ct group properties
Increase timetrap in compiler suite
Minor capx suite tweaks
Minor makefile tweak
Remove trailing whitespace
Update skip condition in gen_sctp suite
Reintroduce gen_sctp suite
Remove delay from connect in transport suite
Add codec testcase for decode of unknown AVPs
...
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* anders/diameter/compilation_options/OTP-9826:
Allow module name mapping at dictionary compilation
Fix blunder that broke name/prefix compilation options
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* anders/diameter/missed_events/OTP-9824:
Update watchdog suite
Ensure capabilities exchange can't fail too early
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It is possible also in non-SMP case:
1. The process receives an exit signal and is set in status exiting
and inserted into the run queue.
2. The distribution port exits before the process has been selected
for execution and cannot remove the link half on the process since
it is in status exiting.
3. Process is selected for execution and when removing this link half
the distribution channel is gone!
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