Recent pthread changes

[Thomas Pfaff]

Robert Collins wrote:
> Thomas,
> 	I note that the recent fix for the many-thread-creation-and-deletion
> commit didn't have a test case attached...
> 
> I think it would be a good idea to keep up the test-case-for-changes
> concept I introduced, particularly in this case where a test case has
> been kindly provided by the bug reporter...
> 

Rob,

providing a test case for a race condition like that is a bit difficult. 
It took about half an hour on my celeron 1000 W2000 box until the race 
condition occured. I don't think that a testcase should run that long.

Thomas