[issue23863] Fix EINTR Socket Module issues in 2.7

[Jeff McNeil]

New submission from Jeff McNeil:

There are a collection of places in the socket module that do not correctly retry on EINTR.  Updated to wrap those calls in a retry loop.  However, when fixing connect calls, I noticed that when EINTR is retried on a socket with a timeout specified, the retry fails with EALREADY.. so I fixed that.

I was going to shy away from primitive calls on sockets as one expects these things when working at a lower level, however, due to the way socket timeouts were implemented, I handled it differently in internal_connect.  The create_connection calls probably ought to shield users from retry.

Python 2.7.6.

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files: socket_intr.py
messages: 240044
nosy: mcjeff
priority: normal
severity: normal
status: open
title: Fix EINTR Socket Module issues in 2.7
versions: Python 2.7
Added file: http://bugs.python.org/file38825/socket_intr.py

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<http://bugs.python.org/issue23863>
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