lkml.org 
[lkml]   [2009]   [Sep]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] EPOLL_CTL_SET operatin for epoll_ctl when using EPOLLONESHOT
On Thu, 24 Sep 2009, Carlo Marcelo Arenas Belon wrote:

> Simplify userspace by eliminating the need to track whether a specific
> filehandle was added to epoll already and only needs to be re-arm
> after being internally disabled by EPOLLONESHOT.
>
> EPOLL_CLT_SET can be used to add or modify a filehandle in epoll
> using the kernel's internal tracking to apply the right equivalent
> operation to EPOLL_CTL_ADD or EPOLL_CTL_MOD.

Applications (except poorly written ones) usually know what's in the
epoll set and what's not, in their bookkeeping.
I'm sorry, but I see no use of this code.



- Davide




\
 
 \ /
  Last update: 2009-09-25 01:49    [from the cache]
©2003-2011 Jasper Spaans