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gh-104448: Add timeout to multiprocessing.queues.JoinableQueue.join #104449

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gh-104448: Add timeout to multiprocessing.queues.JoinableQueue.join #104449

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a7bacf4
Add timeout to JoinableQueue.join
tmi May 13, 2023
c39b7fd
Merge branch 'main' into gh-104448
hugovk Oct 29, 2026
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8 changes: 6 additions & 2 deletions Lib/multiprocessing/queues.py
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Original file line number Diff line number Diff line change
Expand Up @@ -345,10 +345,14 @@ def task_done(self):
if self._unfinished_tasks._semlock._is_zero():
self._cond.notify_all()

def join(self):
def join(self, timeout=None) -> None:
with self._cond:
if not self._unfinished_tasks._semlock._is_zero():
self._cond.wait()
self._cond.wait(timeout=timeout)

def is_done(self) -> bool:
with self._cond:
return self._unfinished_tasks._semlock._is_zero()

#
# Simplified Queue type -- really just a locked pipe
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