[issue11618] Locks broken wrt timeouts on Windows

[Martin v. Löwis]

Martin v. Löwis <martin at v.loewis.de> added the comment:

> I would still favour committing the semaphore-based version first
> (especially in 3.2), and then discussing performance improvements if
> desired.

For 3.2, I would prefer a solution that makes least changes to the
current code. This is better than fundamentally replacing the
synchronization mechanism which locks are based on.

For 3.3, I predict that any Semaphore-based version will be shortly
replaced by something "fast". Benchmarks seem to indicate that you can
get much faster than semaphores.

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<http://bugs.python.org/issue11618>
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