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Re: 1.5.25-15: pthread_join deadlocks
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Thu, 19 Nov 2009 13:44:05 +0100
- Subject: Re: 1.5.25-15: pthread_join deadlocks
- References: <4B052C11.6010307@ece.cmu.edu>
- Reply-to: cygwin at cygwin dot com
On Nov 19 12:29, Ryan Johnson wrote:
> Hi all,
>
> I'm hitting a deadlock with cygwin pthreads when joining on a
> short-lived thread -- for me the second such thread creation will
> almost never return. It looks *exactly* like a problem that others
> noticed as far back as early 2005 [0], and from the output of
> strace on the test case (below) the culprit is almost certainly a
> racy optimization in __cygwin_lock_* for which a patch was submitted
> six months ago [1].
>
> As of today my cygwin distribution is completely up to date. Any
> hope of an update coming out soon?
The update will be Cygwin 1.7. You testcase works fine for
me on Cygwin 1.7, so maybe you should try this path. See
http://cygwin.com/#beta-test
Corinna
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Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
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