[issue11618] Locks broken wrt timeouts on Windows

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> This uses critical sections and condition variables to avoid kernel
> mode switches for locks. Windows mutexes are expensive and for
> uncontented locks, this offers a big win.

Can you post some numbers?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11618>
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