[issue39995] test_concurrent_futures: ProcessPoolSpawnExecutorDeadlockTest.test_crash() fails with OSError: [Errno 9] Bad file descriptor

[Thomas Moreau]

Thomas Moreau <thomas.moreau.2010 at gmail.com> added the comment:

I did GH 19788 with a few modifications. There is only one lock that seems to mater for the perf, and I actually added one other (the one in _python_exit, which necessitate another bug fix for fork context).

I did not benchmark to see if it was worth it in term of perf.

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