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[3.13] gh-114177: avoid calling connection lost callbacks when loop is already closed in asyncio subprocess (GH-134508) (#134562)

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gh-114177: avoid calling connection lost callbacks when loop is already closed in asyncio subprocess (GH-134508)
(cherry picked from commit 5804ee7b46)

Co-authored-by: Kumar Aditya <kumaraditya@python.org>
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Miss Islington (bot) 2025-05-23 06:56:14 +02:00 • committed by GitHub
parent 1a61d81544
commit 5987ebc774
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2 changed files with 7 additions and 1 deletions
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7
Lib/asyncio/base_subprocess.py
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@ -104,7 +104,12 @@ class BaseSubprocessTransport(transports.SubprocessTransport):
for proto in self._pipes.values():
if proto is None:
continue
proto.pipe.close()
# See gh-114177
# skip closing the pipe if loop is already closed
# this can happen e.g. when loop is closed immediately after
# process is killed
if self._loop and not self._loop.is_closed():
proto.pipe.close()
if (self._proc is not None and
# has the child process finished?