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

[Jamie Lokier]

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