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gh-88110: clear concurrent.futures.thread._threads_queues after fork #101940

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gh-88110: clear concurrent.futures.thread._threads_queues after fork #101940

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gh-88110: clear concurrent.futures.thread._threads_queues after fork
marmarek Feb 15, 2023
b5eb655
Add NEWS entry
marmarek Feb 15, 2023
a5f7a66
Merge branch 'main' into bug88110
hauntsaninja Feb 20, 2023
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1 change: 1 addition & 0 deletions Lib/concurrent/futures/thread.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ def _python_exit():
os.register_at_fork(before=_global_shutdown_lock.acquire,
after_in_child=_global_shutdown_lock._at_fork_reinit,
after_in_parent=_global_shutdown_lock.release)
os.register_at_fork(after_in_child=_threads_queues.clear)


class _WorkItem(object):
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2023-02-15-23-54-42.gh-issue-88110.KU6erv.rst
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@@ -0,0 +1,2 @@
Fix multiprocessing.Process exiting with code 1 even on successful run when
threads are used in the same application too.