Misc/NEWS.d/next/Library/2022-07-23-10-50-05.gh-issue-93899.VT34A5.rst

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.