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Date: Fri, 20 Nov 2009 09:01:00 -0500
From: Charles Wilson <cygwin@cwilson.fastmail.fm>
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Subject: Re: 1.5.25-15: pthread_join deadlocks
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Ryan Johnson wrote:
> Out of curiosity, how much did removing the racy optimization hurt
> performance? The patch just yanked it completely iirc. An alternative
> might be to have the main thread check for single-thread environment
> only at acquire time, and then release only if it acquired (the latter
> is probably a good idea regardles...).

The problem is, IIRC there is no such thing as a single-thread
environment for cygwin programs: every cygwin program has a secondary
thread that handles translating certain windows events into unixy
signals, or something like that. I think.

--
Chuck

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