Subj : Re: Segmentation fault with multi threads - Stack limitation?!
To   : comp.programming.threads
From : Torsten Robitzki
Date : Mon Apr 11 2005 09:33 pm

Hi Mike,

Mike wrote:
> Hi,
> I wrote a simple program that basically do the following:
> 
<code>
> 
> 
> The problem is as follow:
> 1. If I run this program with NTHREADS==4 then it works fine
> (thread_work do a lot of insertion and removal to the container).
> 2. If I run it with NTHREADS==5 then I get segmentation fault while
> doing insert to the container. It happens realy fast, meaning I don't
> reach large number of insertion/removal...
> 3. If I move the tdata array (which currenlty is on the stack of main)
> and put it globally (out of main) it works fine again.

I doubt that this is a stack limitation as you allocate just 5 list<>s
(size of 4 pointers each, I guess). To confirm this, just comment out 
the calls to CreateThread() and WaitToThread() and you will get the same 
result if it's realy a stack overflow.

regards
Torsten

.