On Tue, 25 Aug 2009, Paolo Bonzini wrote:
>
> > There are userspace libraries that do almost everything, but you hardly
> > see things like pthread_(EFD_STATE-like)_create() or similar system
> > interfaces based on such abstraction.
>
> It actually seems as close to a condition variable as an eventfd can be.
A pthread condition typical code usage maps to eventfd like:
while (read(efd, ...) > 0)
if (CONDITION)
break;
So a pthread condition is really a wakeup gate like eventfd is.
EFD_STATE has nothing to do with a pthread condition.
- Davide
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
