[Python-Dev] Segfault

["Martin v. Löwis"]

> I think there might already be a bug report about file not being
> thread-safe.  (It could have also been socket, but I think Martin
> fixed a problem in socket a while ago.)

This was a different problem, though: the socket object contained
an address structure, which it didn't really need and which wasn't
thread-safe. The (simple) fix was to remove the address from the
object, and move it onto the stack.

Regards,
Martin