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GH-111693: Propagate correct asyncio.CancelledError instance out of asyncio.Condition.wait() (#111694)

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Also fix a race condition in `asyncio.Semaphore.acquire()` when cancelled.
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Kristján Valur Jónsson 2024-01-08 19:57:48 +00:00 • committed by GitHub
parent c6ca562138
commit 52161781a6
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4 changed files with 153 additions and 25 deletions
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Lib/asyncio/futures.py
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@ -138,9 +138,6 @@ class Future:
exc = exceptions.CancelledError()
else:
exc = exceptions.CancelledError(self._cancel_message)
exc.__context__ = self._cancelled_exc
# Remove the reference since we don't need this anymore.
self._cancelled_exc = None
return exc
def cancel(self, msg=None):