[issue38563] ProactorEventLoop.close(): set_wakeup_fd() only works in main thread

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


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title: Asyncio regression on Windows with Python 3.8 -> ProactorEventLoop.close(): set_wakeup_fd() only works in main thread

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38563>
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