[Boost-users] Using boost::barrier dynamically

From: Gonzalo Garramuño (ggarra_at_[hidden])
Date: 2008-02-22 21:13:25

I'm trying to have several threads synced with a boost::barrier.  But 
I'm finding its design very limiting (or, more likely, my understanding 
of its use is too poor).

I want to have a barrier created dynamically (based on some parameters 
that determine how many threads run).

And I also want to be able to delete the barrier at any point in time 
(from a thread that does not wait on the barrier).

I expect this to force all threads that are waiting on the barrier to 
continue (ie. send a notify_all).

However, boost::barrier's destructor just does nothing, so I get a hang. 
  What's the right way to achieve this?

PS.  On a separate note... is there any reason why all of boost 
primitives have their variables private?  I really would find it pretty 
useful to sometimes be able to query, for example, the lock count of 
some objects.

-- 
Gonzalo Garramuño
ggarra_at_[hidden]
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