Re: context switch vs. signal delivery [was: Re: Accelerating user mode linux]

Jamie Lokier
2002-08-05T15:42:17Z

Jamie Lokier wrote:
> Ingo Molnar wrote:
> > And threads can do queued events that amortizes context switch
> > overhead, while queued signals generate per-event signal delivery, so
> > signal delivery costs are not amortized.
> >
> > (Not that i advocate SIGIO or helper threads for highperformance IO -
> > Ben's aio interface is the fastest and most correct approach.)
>
> Isn't the per-event queued signal cost amortised when using sigwaitinfo()?

Of course I meant:

Isn't the per-event queued signal cost amortised when using sigtimedwait()?

cheers,
-- Jamie