alternative to pthread_timedjoin_np
===

I am trying to figure out how to get rid of a reliance on the pthread_timedjoin_np because I am trying to build some code on OSX.

Right now I have a Queue of threads that I am popping from, doing that pthread_timedjoin_np and if they dont return, they get pushed back on the queue.

The end of the thread_function that is called for each thread does a pthread_exit(0); so that the recieving thread can check for a return value of zero.

I thought i might try to use pthread_cond_timedwait() to achieve a similar effect, however I think i am missing a step.

I thought I would be able to make worker Thread A signal a condition AND pthread_exit() within a mutex, , and worker Thread B could wake up on the signal, and then pthread_join(). The problem is, Thread B doesn't know which thread threw the conditional signal. Do I need to explicitly pass that as part of the conditonal signal or what?

Thanks

Derek