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| author | Guido van Rossum <guido@python.org> | 2022-09-30 19:55:40 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-09-30 19:55:40 (GMT) |
| commit | e9d63760fea8748638f6e495b5b07bd1805c9591 (patch) | |
| tree | 26a42e0867b0a7cdc67b39e4f1b44021d95ef36f /Lib/asyncio/base_events.py | |
| parent | b05dd796492160c37c9e15e3882f699f411b3461 (diff) | |
| download | cpython-e9d63760fea8748638f6e495b5b07bd1805c9591.zip cpython-e9d63760fea8748638f6e495b5b07bd1805c9591.tar.gz cpython-e9d63760fea8748638f6e495b5b07bd1805c9591.tar.bz2 | |
GH-96827: Don't touch closed loops from executor threads (#96837)
* When chaining futures, skip callback if loop closed.
* When shutting down an executor, don't wake a closed loop.
Diffstat (limited to 'Lib/asyncio/base_events.py')
| -rw-r--r-- | Lib/asyncio/base_events.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py index 9c9d98d..2df9dca 100644 --- a/Lib/asyncio/base_events.py +++ b/Lib/asyncio/base_events.py @@ -588,9 +588,11 @@ class BaseEventLoop(events.AbstractEventLoop): def _do_shutdown(self, future): try: self._default_executor.shutdown(wait=True) - self.call_soon_threadsafe(future.set_result, None) + if not self.is_closed(): + self.call_soon_threadsafe(future.set_result, None) except Exception as ex: - self.call_soon_threadsafe(future.set_exception, ex) + if not self.is_closed(): + self.call_soon_threadsafe(future.set_exception, ex) def _check_running(self): if self.is_running(): |