posix semaphores not working under gdb

[Kenny Simpson]

One thing that caused me some pain a while ago is the semaphore behavioral change in NPTL vs
LinuxThreads.  Under LinuxThreads, sem_wait will never return until the semaphore is aquired. 
With NPTL, sem_wait can return EINTR
... and DOES when gdb attaches.

The man pages in many distrubutions still have the old LinuxThreads documentation which explictly
states that sem_wait will not be affected by signals.

Hope this helps...
-Kenny



	
		
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