From mboxrd@z Thu Jan  1 00:00:00 1970
From: Srinivasa T N <seenutn@linux.vnet.ibm.com>
Subject: Re: Co-thread for parallel processing
Date: Fri, 02 Dec 2011 16:56:57 +0530
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To: Randi Botse <nightdecoder@gmail.com>
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> 1. What the proper way to the main thread to wait for all co-threads
> until finished?
> 2. After calling pthread_cond_signal() or pthread_cond_broadcast()
> followed by sleep()/nanosleep(),
>      the condition variable looks like not signaled, (the co-thread
> routine doesn't run). What make this?
I think you need a pthread_cond_broadcast () after do_work () in each 
thread.

Regards,
Seenu.