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[3.12] bpo-43952: Fix multiprocessing Listener authkey bug (GH-25845) (GH-115995)

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Listener.accept() no longer hangs when authkey is an empty bytes object.
(cherry picked from commit 686ec17f50)

Co-authored-by: Miguel Brito <5544985+miguendes@users.noreply.github.com>
This commit is contained in:
Miss Islington (bot) 2024-02-27 17:13:53 +01:00 • committed by GitHub
parent 96f98d9777
commit 3af945fbb4
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3 changed files with 23 additions and 1 deletions
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Lib/multiprocessing/connection.py
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@ -476,8 +476,9 @@ class Listener(object):
'''
if self._listener is None:
raise OSError('listener is closed')
c = self._listener.accept()
if self._authkey:
if self._authkey is not None:
deliver_challenge(c, self._authkey)
answer_challenge(c, self._authkey)
return c