[3.11] GH-93899: fix checks for eventfd flags (GH-95170). (#95342)

(cherry picked from commit 4dd099baff)

Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
This commit is contained in:
Kumar Aditya 2022-07-28 15:54:36 +05:30 committed by GitHub
parent 33efd7f7a3
commit 7813d976ae
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 15 additions and 10 deletions

View file

@ -0,0 +1 @@
Fix check for existence of :data:`os.EFD_CLOEXEC`, :data:`os.EFD_NONBLOCK` and :data:`os.EFD_SEMAPHORE` flags on older kernel versions where these flags are not present. Patch by Kumar Aditya.

View file

@ -7887,7 +7887,7 @@ exit:
#endif /* defined(HAVE_MEMFD_CREATE) */
#if defined(HAVE_EVENTFD)
#if (defined(HAVE_EVENTFD) && defined(EFD_CLOEXEC))
PyDoc_STRVAR(os_eventfd__doc__,
"eventfd($module, /, initval, flags=EFD_CLOEXEC)\n"
@ -7933,9 +7933,9 @@ exit:
return return_value;
}
#endif /* defined(HAVE_EVENTFD) */
#endif /* (defined(HAVE_EVENTFD) && defined(EFD_CLOEXEC)) */
#if defined(HAVE_EVENTFD)
#if (defined(HAVE_EVENTFD) && defined(EFD_CLOEXEC))
PyDoc_STRVAR(os_eventfd_read__doc__,
"eventfd_read($module, /, fd)\n"
@ -7971,9 +7971,9 @@ exit:
return return_value;
}
#endif /* defined(HAVE_EVENTFD) */
#endif /* (defined(HAVE_EVENTFD) && defined(EFD_CLOEXEC)) */
#if defined(HAVE_EVENTFD)
#if (defined(HAVE_EVENTFD) && defined(EFD_CLOEXEC))
PyDoc_STRVAR(os_eventfd_write__doc__,
"eventfd_write($module, /, fd, value)\n"
@ -8013,7 +8013,7 @@ exit:
return return_value;
}
#endif /* defined(HAVE_EVENTFD) */
#endif /* (defined(HAVE_EVENTFD) && defined(EFD_CLOEXEC)) */
#if (defined(TERMSIZE_USE_CONIO) || defined(TERMSIZE_USE_IOCTL))
@ -9370,4 +9370,4 @@ exit:
#ifndef OS_WAITSTATUS_TO_EXITCODE_METHODDEF
#define OS_WAITSTATUS_TO_EXITCODE_METHODDEF
#endif /* !defined(OS_WAITSTATUS_TO_EXITCODE_METHODDEF) */
/*[clinic end generated code: output=6150bcc25f5e4bc7 input=a9049054013a1b77]*/
/*[clinic end generated code: output=2a53748bcf001a3f input=a9049054013a1b77]*/

View file

@ -13134,7 +13134,7 @@ os_memfd_create_impl(PyObject *module, PyObject *name, unsigned int flags)
}
#endif
#ifdef HAVE_EVENTFD
#if defined(HAVE_EVENTFD) && defined(EFD_CLOEXEC)
/*[clinic input]
os.eventfd
@ -13205,7 +13205,7 @@ os_eventfd_write_impl(PyObject *module, int fd, unsigned long long value)
}
Py_RETURN_NONE;
}
#endif /* HAVE_EVENTFD */
#endif /* HAVE_EVENTFD && EFD_CLOEXEC */
/* Terminal size querying */
@ -15505,11 +15505,15 @@ all_ins(PyObject *m)
#endif
#endif /* HAVE_MEMFD_CREATE */
#ifdef HAVE_EVENTFD
#if defined(HAVE_EVENTFD) && defined(EFD_CLOEXEC)
if (PyModule_AddIntMacro(m, EFD_CLOEXEC)) return -1;
#ifdef EFD_NONBLOCK
if (PyModule_AddIntMacro(m, EFD_NONBLOCK)) return -1;
#endif
#ifdef EFD_SEMAPHORE
if (PyModule_AddIntMacro(m, EFD_SEMAPHORE)) return -1;
#endif
#endif /* HAVE_EVENTFD && EFD_CLOEXEC */
#if defined(__APPLE__)
if (PyModule_AddIntConstant(m, "_COPYFILE_DATA", COPYFILE_DATA)) return -1;