On Wed, Jan 04, 2006 at 06:02:13PM -0500, Chapman Flack wrote:
> More on my earlier callout(9) question, I notice that
> midi(4) has no reference to callout_stop() anywhere.
> And yet it is a device that can detach and disappear
> at any time (when you pull a USB cable, ferinstance).
> Can that be right? Again, I've never seen a crash - is
> there some way the callouts get canceled automagically,
> or is it just luck?

It's luck. callouts needs to be stopped and freed explicitely before
the pointer passed to the callback is freed.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--