[issue23285] PEP 475 - EINTR handling

[STINNER Victor]

STINNER Victor added the comment:

Charles-François Natali added the comment:
> I just realized I didn't retry upon EINTR for open(): eintr-4.diff
> adds this, along with tests (using a fifo).
>
> Also, I added comments explaining why we don't retry upon close() (see
> e.g. http://lwn.net/Articles/576478/ and
> http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html).

I didn't read these articles yet, but I will. IMO the PEP must be
updated if we don't retry in close(), since close() is used as an
example where "EINTR is unexpected"!

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