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gh-82616: Add process_group support to subprocess.Popen (#23930)

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One more thing that can help prevent people from using `preexec_fn`.

Also adds conditional skips to two tests exposing ASAN flakiness on the Ubuntu 20.04 Address Sanitizer Github CI system. When that build is run on more modern systems the "problem" does not show up. It seems ASAN implementation related.

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Gregory P. Smith 2022-05-05 16:22:32 -07:00 • committed by GitHub
parent 49fda0cc51
commit f6dd14c653
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9 changed files with 73 additions and 28 deletions
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2
Lib/multiprocessing/util.py
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@ -453,7 +453,7 @@ def spawnv_passfds(path, args, passfds):
return _posixsubprocess.fork_exec(
args, [path], True, passfds, None, None,
-1, -1, -1, -1, -1, -1, errpipe_read, errpipe_write,
False, False, None, None, None, -1, None,
False, False, -1, None, None, None, -1, None,
subprocess._USE_VFORK)
finally:
os.close(errpipe_read)