[issue45819] Avoid releasing the GIL in nonblocking socket operations

[Christian Heimes]

Christian Heimes <lists at cheimes.de> added the comment:

Do POSIX and Windows APIs guarantee that operations on a nonblocking socket can never ever block?

We cannot safely keep the GIL unless you can turn "nonblocking socket operations by definition shouldn't block" into "standard guarantees that nonblocking socket operations never block".

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nosy: +christian.heimes

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45819>
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