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Re: It's a snapshot

On Fri, Aug 22, 2003 at 06:17:40AM -0400, Russell O'Connor wrote:
> Corinna Vinschen writes:
> > It's a border case.  I don't know if it's worth to wait for the fix.
> > It would be nice if I could reproduce it under a debugger :-(
> If you are referring to "malloc returns overlapping buffers", I was
> able to get it to fail under the debugger by increasing the malloc
> size in the test case from 8000 to 16000.  It then segfaults instead
> of returning overlapping buffers, but that's presumably a bug too, and
> likely a different manifestation of the same bug.
> I know that the stack trace for that case in my original post was not
> too useful because there was no debugging information in the cygwin
> dll, but I've since built cygwin from CVS and gotten a proper stack
> trace.  Unfortunately, it's at work and I won't be back there till
> Monday.  But if it would be useful to you I'll make an extra trip in.

Thanks for the offer but that's probably not necessary.  I could
already find a workaround (not a solution, though).  It looks like
you're right with your suspicion that mmap using malloc somehow
messes up things but this needs further debugging.


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                      
Red Hat, Inc.

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