Re: [boost] This deadlocks on Linux but not on Windows <----- why this is important

From: Frank Mori Hess (fmhess_at_[hidden])
Date: 2008-02-08 08:29:26

On Friday 08 February 2008 02:59, Colin Caughie wrote:
> Those URLs don't work for me, but presumably what you want is something
> that blocks until something is queued to be run by one of the threads in
> the group. My suggestion would be to use semaphores rather than mutexes
> for this. You initialize the semaphore count to 0 so that the first time
> you wait for it you immediately block. When another thread signals the
> semaphore you wake up.
>
> You'll have to write your own cross-platform semaphore class though as
> Boost.Thread doesn't have one.

Why would you do that?  Boost.thread does provide boost::condition, which 
isn't exactly a semaphore but conditions are designed for just the purpose 
you describe.

-- 
Frank