[issue19310] asyncio: fix waitpid() logic

[Antoine Pitrou]

Antoine Pitrou added the comment:

Unrelated, but transp._process_exited will be called from the main thread even if the loop is running from another thread. Shouldn't call_soon_threadsafe be used here?

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nosy: +pitrou

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19310>
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