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Re: Problem with pthead.h - child's thread ending, causes main program to exit


On Thu, 28 Oct 2004, jdeifik wrote:

> On Wed, 27 Oct 2004, jdeifik wrote:
>
> > When I run the program with gdb, I get really weird segmentation
> > faults, for example:
>
> http://www.cygwin.com/ml/cygwin/2004-10/msg01033.html

Does anyone know gdb macros well enough to say off-hand whether it's possible to write a function to ignore those particular SEGVs?

> > Program received signal SIGSEGV, Segmentation fault.
> > [Switching to thread 3280.0xcdc]
> > 0x610b479d in random () from /usr/bin/cygwin1.dll
> [snip]
> > The details of the backtrace vary a bit, but always start off in
> > random in cygwin1.dll
>
> You can not trust the back trace from a stripped cygwin1.dll.  You must
> compile your own with debugging symbols if you want to see a valid trace
> into it.  (Hint: random is NOT where your problem is)

Ok, then perhaps a non-stripped cygwin1.dll should be supplied by default
so gdb can see what is happening.

There was a discussion a while ago about providing debugging symbols for various versions of cygwin1.dll (both the releases and the snapshots). Did it ever come to any conclusion? Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ pechtcha@cs.nyu.edu ZZZzz /,`.-'`' -. ;-;;,_ igor@watson.ibm.com |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow!

"The Sun will pass between the Earth and the Moon tonight for a total
Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT

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