On Sat, 19 May 2007, Davi Arnaut wrote:
> Hi,
>
> Gathering signals in bulk enables server applications to drain a signal
> queue (almost full of realtime signals) more efficiently by reducing the
> syscall and file look-up overhead.
>
> Very similar to the sigtimedwait4() call described by Niels Provos,
> Chuck Lever, and Stephen Tweedie in a paper entitled "Analyzing the
> Overload Behavior of a Simple Web Server". The paper lists more details
> and advantages.
That paper is a pre-epoll thing. Nowadays I see no value in using RT
signals as main event gathering mechanism ;)
> Signed-off-by: Davi E. M. Arnaut <[email protected]>
The patch looks otherwise good to me, and I see no reasons why we
shoulnd't be fetching more than one signal if available.
Acked-by: Davide Libenzi <[email protected]>
- Davide
-
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