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Subject:	RE: pthreads "problem" Re: GDB always receives sigsegv with cygwin 1.3.13-2
Date:	Wed, 16 Oct 2002 20:10:03 -0400
Message-ID:	<83040F98B407E6428FEC18AC720F5D732DB731@exchange.tropicnetworks.com>
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From:	"Rolf Campbell" <rcampbell AT tropicnetworks DOT com>
To:	<cygwin AT cygwin DOT com>
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id g9H0ACJ08265

> -----Original Message-----
> From: Christopher Faylor [mailto:cgf AT redhat DOT com] 
> Sent: Wednesday, October 16, 2002 7:54 PM
>
> Ok.  This is occurring in code compiled via gcc 3.  gcc 3 
> uses a phreads mutex which is assigned to 
> PTHREAD_MUTEX_INITIALIZER.  There is a check for whether the 
> mutex pointer is valid or not.  It isn't valid as a pointer 
> but it is still a valid value.  So, a "harmless" SIGSEGV 
> occurs while checking the pointer.  The program traps the 
> SIGSEGV so you never see it but that is immaterial to gdb 
> which dutifully reports it.

So, silly question, why did this only start appearing in this new
version of cygwin?

> So, in the command line at least, you will be able to just 
> continue on.

Yeah, "cont" worked.  It worked in the gui too, I just couldn't figure
out how to click the button labeled "Continue".

-Rolf

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