[issue11618] Locks broken wrt timeouts on Windows

[sbt]

sbt <shibturn at gmail.com> added the comment:

First stab at a fix.

Gets rid of mutex->thread_id and adds a mutex->timeouts counter.

Does not try to prevent mutex->owned from overflowing.

When no timeouts have occurred I don't think it changes behaviour, and it uses the same number of Interlocked functions.

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keywords: +patch
Added file: http://bugs.python.org/file21306/locktimeout.patch

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