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GH-96827: Don't touch closed loops from executor threads #96837

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Merged
gvanrossum merged 4 commits into from
Sep 30, 2022
Merged

GH-96827: Don't touch closed loops from executor threads #96837

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9698862
When chaining futures, skip callback if loop closed
gvanrossum Sep 15, 2022
471792d
When shutting down an executor, don't wake a closed loop
gvanrossum Sep 15, 2022
d290359
Merge branch 'main' into asyncio-thread-late
gvanrossum Sep 15, 2022
a396ba6
📜🤖 Added by blurb_it.
blurb-it[bot] Sep 30, 2022
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When shutting down an executor, don't wake a closed loop
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@gvanrossum
gvanrossum committed Sep 15, 2022
commit 471792d2f63734207f105bf6bc9f4d594f662b5e
6 changes: 4 additions & 2 deletions Lib/asyncio/base_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -577,9 +577,11 @@ async def shutdown_default_executor(self):
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():
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