Devices related notifications from kernel to userspace

[Hasso Tepper]

Thomas E. Spanjaard wrote:
> Hasso Tepper wrote:
> > Brief look at devctl/devd code raised one question already which is
> > beyond my current knowledge - it uses condvar(9) we don't have in the
> > kernel. Any recommendations how to handle this in porting?
>
> Spinlocks, msleep, tokens, etc?

Yeah, I know, but ... I hoped that maybe someone has recommendations in 
style "you can use that in this way" ;). At the moment I don't even 
understand how condvar(9) behaves. FreeBSD manpage isn't very helpful 
IMHO (at least for me ;).


-- 
Hasso