Messages in this thread | | | Date | Mon, 6 Sep 1999 19:29:29 +0200 | From | Jamie Lokier <> | Subject | Re: > 15,000 Simultaneous Connections |
| |
Andreas Schwab wrote: > |> The main cost of select and poll, on the kernel side, is scanning > |> the fds to see what is ready. The way select and poll are usually > |> used we want a means to express an interest in an fd and then > |> receive a stream of "events" as fds change state. > > That's what SIGIO is for.
And in case anyone didn't notice, F_SETSIG & SIGIO can be used efficiently using rt_sigtimedwait. At least in theory :-) (I haven't tried).
-- Jamie
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |