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SubjectRe: > 15,000 Simultaneous Connections

On Wed, 15 Sep 1999 17:23:45 +0100 (GMT/BST), Mike Jagdis
<> said:

> Then again, I'm not convinced that the sigio approach is what
> we really want anyway. Looking at, for instance, drivers/char/n_tty.c
> we seem to queue a signal on every new line if ICANON is set and
> for every character (after VMIN) if it isn't. All we really want
> to know is that something happened since we last paid attention
> to the fd, preferably with a quick way of getting the current
> state (POLL_* flags).

For sockets, look at sock_wake_async: it already does a first pass at
eliminating redundant signals.


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