Problem with pthreads

[Thomas Pfaff]

Joe Sadusk wrote:
> I'm in qa, and I'm attempting to port a filesystem stress test written 
> for Linux to Windows using cygwin.  It uses pthreads to create many 
> concurrent threads which read files out of a directory in various 
> patterns.  The thing is, I've found that with any more than 55 threads, 
> pthread_join will hang indefinitely, for no apparent reason.  Its also 
> only the second call to pthread_join.  Its being called from the creator 
> thread and each of the threads were cancelled prior to being joined (and 
> the cancel appears to work fine, as all disk activity stops).  Its very 
> strange.  With 55 threads everything works exactly as expected, and with 
> 56 it doesn't work at all.  Is this a known issue, or am I doing 
> something wrong?

Please provide a testcase.

Thomas




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