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gh-137490: Fix signal.sigwaitinfo() on NetBSD (GH-137523)

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Handle ECANCELED in the same way as EINTR to work around the Posix
violation in the NetBSD's implementation.
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Serhiy Storchaka 2025-09-15 19:20:31 +03:00 • committed by GitHub
parent fa12c6bae4
commit 07d0b95b05
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2 changed files with 9 additions and 1 deletions
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2
Misc/NEWS.d/next/Library/2025-08-07-17-18-57.gh-issue-137490.s89ieZ.rst Normal file
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@ -0,0 +1,2 @@
Handle :data:`~errno.ECANCELED` in the same way as :data:`~errno.EINTR` in
:func:`signal.sigwaitinfo` on NetBSD.

8
Modules/signalmodule.c
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@ -1183,7 +1183,13 @@ signal_sigwaitinfo_impl(PyObject *module, sigset_t sigset)
err = sigwaitinfo(&sigset, &si); err = sigwaitinfo(&sigset, &si);
Py_END_ALLOW_THREADS Py_END_ALLOW_THREADS
} while (err == -1 } while (err == -1
&& errno == EINTR && !(async_err = PyErr_CheckSignals())); && (errno == EINTR
#if defined(__NetBSD__)
/* NetBSD's implementation violates POSIX by setting
* errno to ECANCELED instead of EINTR. */
|| errno == ECANCELED
#endif
) && !(async_err = PyErr_CheckSignals()));
if (err == -1) if (err == -1)
return (!async_err) ? PyErr_SetFromErrno(PyExc_OSError) : NULL; return (!async_err) ? PyErr_SetFromErrno(PyExc_OSError) : NULL;