Re: [Boost-users] [Boost.Condition]

From: Gottlob Frege (gottlobfrege_at_[hidden])
Date: 2007-03-05 23:15:31

On 3/5/07, Manuel Jung <gzahl_at_[hidden]> wrote:
> Hi,
>
> I would like to know the waiting threads for a condition. Is there a way to
> calculate the number of "wait()"s which would be affected by a
> notifiy_all()?
> Maybe nobody needed this before? Or isn't this possible to implement such a
> thing with boost::condition and i have to count the waiting threads on the
> application level?
>

When would this be useful?  Note that as soon as you had that info, it
would be out of date:

int count = condition.number_of_waiters();  // eg: returns 5
          // ...another thread starts waiting here
condition.notify_all();                                 // and 6
threads 'notified'

> Greetings
> Manuel Jung
>

Tony