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Date: Wed, 3 Jun 2009 22:36:40 +0200
Message-ID: <9bfd07db0906031336k6d6edd08ja179fc22bb6f4e3a@mail.gmail.com>
Subject: Re: [1.7] pthread_mutex_lock/pthread_mutex_unlock strange blocking  	problem
From: Thomas Stalder <cygwinml AT gmail DOT com>
To: cygwin AT cygwin DOT com
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The patchs from DaveK seems to correct all the problems.

Thanks to DaveK for his great and quick work.

Thomas

2009/6/3 Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>:
> Thomas Stalder wrote:
>> Hello,
>>
>> Sometimes pthread_mutex_lock ou pthread_mutex_unlock block.
>
> =A0Thank you very much for the simple testcases. =A0I have located an inv=
alid
> racy optimisation in cygwin's internal lock handling that leads to a dead=
lock
> owing to unmatched lock acquire/releases, and posted a patch combining th=
at
> with the fix for the previous deadlock at:
>
> http://cygwin.com/ml/cygwin-patches/2009-q2/msg00068.html
>
> =A0(As before, I could send you a DLL with the fix compiled in off-list f=
or
> testing if you like.)
>
> =A0 =A0cheers,
> =A0 =A0 =A0DaveK
>
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