New submission from STINNER Victor <vstin...@python.org>:
The following code logs an error:
---
Exception ignored in: <function _after_fork at 0x7f2bf3b057e0>
Traceback (most recent call last):
File "/home/vstinner/python/master/Lib/threading.py", line 1508, in
_after_fork
thread._reset_internal_locks(True)
File "/home/vstinner/python/master/Lib/threading.py", line 847, in
_reset_internal_locks
self._tstate_lock._at_fork_reinit()
AttributeError: 'NoneType' object has no attribute '_at_fork_reinit'
---
Code:
---
#!/usr/bin/python3
import atexit
import subprocess
def preexec():
pass
def exit_handler():
proc = subprocess.Popen(
["pwd"],
preexec_fn=preexec,
)
proc.communicate()
if __name__ == "__main__":
atexit.register(exit_handler)
---
It is a regression caused by the following bpo-40089 fix:
commit 87255be6964979b5abdc4b9dcf81cdcfdad6e753
Author: Victor Stinner <vstin...@python.org>
Date: Tue Apr 7 23:11:49 2020 +0200
bpo-40089: Add _at_fork_reinit() method to locks (GH-19195)
----------
components: Library (Lib)
messages: 380912
nosy: vstinner
priority: normal
severity: normal
status: open
title: Calling os.fork() at Python exit logs: AttributeError: 'NoneType' object
has no attribute '_at_fork_reinit'
versions: Python 3.10, Python 3.9
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue42350>
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