pthread detach problem with glibc 2.2 on SMP

[Ulrich Drepper]

Andreas Jaeger <aj@suse.de> writes:

> The following program compiled with:
> gcc -o pthread-test -g -O2 pthread-test.c -lpthread -Wall
> 
> gives sometimes (try it at least 20 times) on an SMP system as result:
> abc: Interrupted system call
> def: Invalid argument

The behavior is correct.  pthread_detach() returns ESRCH if the thread
ID is not valid.  This can happen if the newly created thread gets
scheduled before the creating thread.  It's a simple race condition.

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