[issue10115] accept4 can fail with errno 90

[Vetoshkin Nikita]

Vetoshkin Nikita <nikita.vetoshkin at gmail.com> added the comment:

>What is it meant for? And why does it come right after a "return" statement?
@Antoine, if fd was supplied and it was correct (not returned with -1), let's drop flags that can't be inherited.
It's a mistake, at that level we don't know whether we should inherit flags or not... I'm a bit confused...

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<http://bugs.python.org/issue10115>
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