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GeezerVison is showing github.com — bpo-41675: Modernize siginterrupt calls by pablogsal · Pull Request #22028 · python/cpython

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@pablogsal

@pablogsal pablogsal commented Aug 31, 2020 •
edited by bedevere-bot
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https://bugs.python.org/issue41675

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@pablogsal
bpo-41675: Modernize siginterrupt calls
bf86c06
@the-knights-who-say-ni the-knights-who-say-ni added the CLA signed label Aug 31, 2020
@bedevere-bot bedevere-bot added the awaiting core review label Aug 31, 2020
@pablogsal
pablogsal requested a review from vstinner September 1, 2020 20:42
vstinner
vstinner reviewed Sep 2, 2020
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Comment thread Modules/signalmodule.c Outdated
else {
act.sa_flags |= SA_RESTART;
}
if (sigaction(signalnum, &act, NULL)<0) {

@vstinner vstinner Sep 2, 2020

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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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@pablogsal pablogsal Sep 2, 2020

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Done

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Comment thread Misc/NEWS.d/next/Core and Builtins/2020-08-31-14-53-17.bpo-41675.VSoqWU.rst Outdated
@@ -0,0 +1,3 @@
The implementation of :func:`signal.siginterrupt` now uses
:c:func:`sigaction` instead of the deprecated :c:func:`siginterrupt`. Patch

@vstinner vstinner Sep 2, 2020

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You may mention that it's only used when sigaction() is available.

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@pablogsal pablogsal Sep 2, 2020

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Done

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@pablogsal
fixup! bpo-41675: Modernize siginterrupt calls
34ad2cd
@pablogsal
pablogsal requested a review from vstinner September 2, 2020 10:55
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vstinner approved these changes Sep 2, 2020
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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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@bedevere-bot bedevere-bot added awaiting merge and removed awaiting core review labels Sep 2, 2020
@pablogsal
pablogsal merged commit f9c5e3f into python:master Sep 2, 2020
@bedevere-bot bedevere-bot removed the awaiting merge label Sep 2, 2020
shihai1991 added a commit to shihai1991/cpython that referenced this pull request Sep 5, 2020
@shihai1991
Merge remote-tracking branch 'origin/master' into bpo_41073_add_types…
7537c86
…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)
  ...
xzy3 pushed a commit to xzy3/cpython that referenced this pull request Oct 18, 2020
@pablogsal @xzy3-cdc
bpo-41675: Modernize siginterrupt calls (pythonGH-22028)
e006090
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) {
facebook-github-bot pushed a commit to facebookincubator/MetaPython that referenced this pull request May 7, 2021
@czardoz @facebook-github-bot
Backport bpo-41675: Modernize siginterrupt calls
026757b
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
@pablogsal
pablogsal deleted the 41675 branch May 19, 2021 18:56
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@pablogsal @vstinner @the-knights-who-say-ni @bedevere-bot
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