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gh-101766: Fix refleak for _BlockingOnManager resources (gh-101942)

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Dong-hee Na 2023-02-17 19:14:07 +09:00 • committed by GitHub
parent 3c0a31cbfd
commit 775f8819e3
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5
Lib/importlib/_bootstrap.py
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@ -85,6 +85,11 @@ class _BlockingOnManager:
def __exit__(self, *args, **kwargs): def __exit__(self, *args, **kwargs):
"""Remove self.lock from this thread's _blocking_on list.""" """Remove self.lock from this thread's _blocking_on list."""
self.blocked_on.remove(self.lock) self.blocked_on.remove(self.lock)
if len(self.blocked_on) == 0:
# gh-101766: glboal cache should be cleaned-up
# if there is no more _blocking_on for this thread.
del _blocking_on[self.thread_id]
del self.blocked_on
class _DeadlockError(RuntimeError): class _DeadlockError(RuntimeError):