[Python-Dev] RFC: PEP 475, Retry system calls failing with EINTR

Marko Rauhamaa marko at pacujo.net
Mon Sep 1 07:30:27 CEST 2014

"R. David Murray" <rdmurray at bitdance.com>:

> PS: I recently switched from using selectors to using a timeout on a
> socket because in that particular application I could, and because
> reading a socket with a timeout handles EINTR (in recent python
> versions), whereas reading a non-blocking socket doesn't. Under the
> hood, a socket with a timeout is a non-blocking socket.

Under what circumstances would a nonblocking socket generate an EINTR?

I believe the biggest EINTR problem child is file I/O, which is always
blocking in linux.


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