[issue18643] implement socketpair() on Windows

[Charles-François Natali]

Charles-François Natali added the comment:

> On Linux, many tests of test_socket are failing with the pure Python
> implementation.

The only failing tests I see are due to the fact that the Python
implementation uses AF_INET instead of AF_UNIX, which is normal since
Windows doesn't have AF_UNIX.
Do you see other failures?

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18643>
_______________________________________