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bpo-41675: Modernize siginterrupt calls - #22028
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vstinner
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Modules/signalmodule.c
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| else { | ||
| act.sa_flags |= SA_RESTART; | ||
| } | ||
| if (sigaction(signalnum, &act, NULL)<0) { |
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nitpick:
Suggested change
| if (sigaction(signalnum, &act, NULL)<0) { | |
| if (sigaction(signalnum, &act, NULL) < 0) { |
and also below: if (siginterrupt(signalnum, flag) < 0) {.
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Done
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Misc/NEWS.d/next/Core and Builtins/2020-08-31-14-53-17.bpo-41675.VSoqWU.rst
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| @@ -0,0 +1,3 @@ | |||
| The implementation of :func:`signal.siginterrupt` now uses | |||
| :c:func:`sigaction` instead of the deprecated :c:func:`siginterrupt`. Patch | |||
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You may mention that it's only used when sigaction() is available.
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Done
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LGTM.
The glibc deprecated siginterrupt() function has exactly the same code!
https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/posix/sigintr.c;h=dd8815a3bcfd1943b5a45933bfbe008fa3d6bee5;hb=HEAD
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shihai1991
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Sep 5, 2020
…lots1 * origin/master: (63 commits) bpo-41627: Distinguish 32 and 64-bit user site packages on Windows (pythonGH-22098) bpo-38585: Remove references to defusedexpat (pythonGH-22095) bpo-41721: Add xlc options (pythonGH-22096) bpo-40486: Specify what happens if directory content change diring iteration (pythonGH-22025) bpo-41638: Improve ProgrammingError message for absent parameter. (pythonGH-21999) bpo-41713: _signal doesn't use multi-phase init (pythonGH-22087) bpo-41700: Skip test if the locale is not supported (pythonGH-22081) [doc] Update documentation on logging optimization. (pythonGH-22075) Fix 'gather' rules in the python parser generator (pythonGH-22021) bpo-41697: Correctly handle KeywordOrStarred when parsing arguments in the parser (pythonGH-22077) [doc] Fix a typo in the graphlib docs (python#22030) bpo-1635741: Port _signal module to multi-phase init (PEP 489) (pythonGH-22049) bpo-39883: Use BSD0 license for code in docs (pythonGH-17635) bpo-39010: Improve test shutdown (python#22066) bpo-41696: Fix handling of debug mode in asyncio.run (python#22069) bpo-41690: Use a loop to collect args in the parser instead of recursion (pythonGH-22053) closes bpo-41689: Preserve text signature from tp_doc in C heap type creation. (pythonGH-22058) Fix invalid escape sequences in the peg_highlight Sphinx extension (pythonGH-22047) bpo-41675: Modernize siginterrupt calls (pythonGH-22028) bpo-41685: Don't pin setuptools version anymore in Doc/Makefile (pythonGH-22062) ...
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siginterrupt is deprecated:
./Modules/signalmodule.c:667:5: warning: ‘siginterrupt’ is deprecated: Use sigaction with SA_RESTART instead [-Wdeprecated-declarations]
667 | if (siginterrupt(signalnum, flag)<0) {
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Summary:
The OSS build fails at compilation with this error:
```
/home/aniketpanse/cinder/Modules/signalmodule.c: In function ‘signal_siginterrupt_impl’:
/home/aniketpanse/cinder/Modules/signalmodule.c:661:5: error: ‘siginterrupt’ is deprecated: Use sigaction with SA_RESTART instead [-Werror=deprecated-declarations]
661 | if (siginterrupt(signalnum, flag)<0) {
| ^~
In file included from /home/aniketpanse/cinder/Modules/signalmodule.c:26:
/usr/include/signal.h:311:12: note: declared here
311 | extern int siginterrupt (int __sig, int __interrupt) __THROW
| ^~~~~~~~~~~~
cc1: all warnings being treated as errors
make: *** [Makefile:2431: Modules/signalmodule.o] Error 1
make: *** Waiting for unfinished jobs....
```
Backport upstream fix from python/cpython#22028
Reviewed By: carljm
Differential Revision: D28297270
fbshipit-source-id: 6a0125b
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https://bugs.python.org/issue41675