Re: [Boost-users] Probably bug in condition::timed_wait()

From: Pavel Syomin (syomin_at_[hidden])
Date: 2006-09-21 02:51:43

Hi!
> Alternatively, you can avoid the need to explicitly use a while loop by
> calling the overloaded version of timed_wait() that takes a predicate
> argument.  This version does the loop for you internally.  E.g.:
>
>         if (!(m_condition.timed_wait (lock, time, boost::bind<int>
>                 (boost::mem_fn (&AsyncQueue::m_counter), this))))
>             return;
>   
Thank you! I saw overloaded version of timed_wait() but didn't 
understand its purpose.
> On a separate point, there is a bug in your usage of the xtime struct in
> main():
>
>         xtime_get(&time, TIME_UTC);
>         time.nsec += 10000;
>         queue.timed_pop(time);
>
> You cannot simply add a value to time.nsec and then use the struct,
> because nsec is required to be in the range [0,999999999].
In really code I use sec, not nsec. But you are rigth.