[lug] gdb & pthreads

[Kevin King]

For some reason I am not getting a core file.  Could you tell me how
to enable this on Caldera 2.2?

Thanks.

--Kevin
kevin at precisonline.com
http://www.precisonline.com
http://www.precisonline.com/gold.htm

-----Original Message-----
From: Rich Deeming <rdeeming at mcdata.com>
To: lug at lug.boulder.co.us <lug at lug.boulder.co.us>
Date: Wednesday, July 19, 2000 9:03 AM
Subject: Re: [lug] gdb & pthreads


>When the program seg faults are you generating a core file?
>If so $gdb progname -c core should give you the location of
>where the fault occurs.
>
>Rich
>
>Kevin King wrote:
>
>> I have created and am testing a multithreaded program which seg
>> faults under load.  I'm trying to trace the fault using gdb, but
gdb
>> stops when the first subordinate thread terminates.  The main
thread
>> continues running (though it is effectively a zombie) and needs to
be
>> killed manually.
>>
>> This gdb was specifically downloaded from the Caldera site because
it
>> has pthreads support, but if I can't trace into the threads -- or
at
>> least keep the debugger running after the first thread terminates,
>> it's not of much use.  Does anyone happen to have any advice or
ideas
>> of options or something w/ gdb which will allow me to use it to
trace
>> this fault?  Or perhaps some other tool?  Or is there perhaps a
>> compiler option to enable extended information on a fault?
>>
>> Thanks!
>>
>> --Kevin
>> kevin at precisonline.com
>> http://www.precisonline.com
>> http://www.precisonline.com/gold.htm
>>
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