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Date: Sun, 28 May 2006 13:04:52 +0200
From: Ralf Habacker <ralf DOT habacker AT freenet DOT de>
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To: cygwin AT cygwin DOT com
Subject: Re: 1.5.19: changes have broken Qt3
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Brian Dessent schrieb:
> Ralf Habacker wrote:
> 
>> There is only one case where I still believe that there may be a problem.
>> If a pthread_mutexattr_t is constructed on the stack and the magic class
>> membere is be exactly the predefined value, pthread_mutexattr_init()
>> will return EBUSY, although there is no good object, it is only by random.
> 
> I believe this has been hashed out on the list before as well.  I think
> the conclusion is that the app needs to check the return values so that
> it can cope with this case.  I don't have a link to the thread handy.
> 
>> My currently conclusion is that there are rare conditions in the pthread
>> and/or exception stuff, which corrupts the stack and that there is more
>> work required to find out the problem.
> 
> This I don't doubt, but I think it will just require someone digging
> in.  If you can whittle down the qt3 stack overflow crash to a testcase,
> then there's a good chance someone reading will give it more attention.

I just downloaded cywin snapshot 2005-06-27 and got running designer and
 uic without any problem, so it looks like there is no need to deep
more into this stuff. I will follow the next time if this problems takes
places again.

Regards
Ralf

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