How do I determine if a detached pthread is alive?

Question

How do I determine if a detached pthread is still alive ?

I have a communication channel with the thread (a uni-directional queue pointing outwards from the

Answer 1

It is probably undefined behaviour when you send a signal to an already dead thread. Your application might crash. see http://sourceware.org/bugzilla/show_bug.cgi?id=4509 and http://udrepper.livejournal.com/16844.html