Re: [boost] Probably bug in condition::timed_wait()

From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-10-09 14:28:00

Roland Schwarz wrote:
> Peter Dimov wrote:

>> Ummmm.... why is signal() not enough?
>
> I suspect, because the condition variable could be shared by multiple
> predicates?

Hmmmm.

A timed out waiter can only steal a wakeup if the condition variable has 
been signal()ed. If it were broadcast()ed, there's no problem, as everyone 
is woken up and there's nothing to steal.

Therefore, a signal() ought to be enough to return the potentially stolen 
wakeup.