[issue11618] Locks broken wrt timeouts on Windows

[Antoine Pitrou]

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

> Yes, the race condition with the timeout is a problem.
> Here is a patch that implements this lock using a condition variable.
> I agree that one must consider performance/simplicity when doing this.

I don't understand why you need something that complicated. A simple
semaphore should be enough (as in the POSIX implementation).

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