Messages in this thread | | | Date | Tue, 8 Jul 2003 08:42:29 -0700 (PDT) | From | Davide Libenzi <> | Subject | Re: epoll vs stdin/stdout |
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On Tue, 8 Jul 2003, Eric Varsanyi wrote:
> On Mon, Jul 07, 2003 at 04:26:21PM -0700, Davide Libenzi wrote: > > On Mon, 7 Jul 2003, Davide Libenzi wrote: > > Try out this one, either over 2.5.74 or over an existing epoll-patched > > 2.4.{20,21} ... > > This appears to be working as advertised, thanks! > > IMO it doesn't seem that evil to deliver events per-fd rather than > per-file, this is similar to the semantic you get from select() on > fd's sharing an object. To be surprised someone would have to have > coded to the (previous) sharing visible nature of epoll and be expecting > the EEXIST back when sharing was in play.
It is not that events are delivered per-fd. If 3 and 4 refer to the same file* and you register both 3 and 4 with EPOLLIN, you'll get two events if an EPOLLIN happen. One for 3 and one for 4.
- Davide
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