Messages in this thread | | | Date | Tue, 22 Aug 2006 07:35:53 -0700 (PDT) | From | Davide Libenzi <> | Subject | Re: [take9 2/2] kevent: poll/select() notifications. Timer notifications. |
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On Wed, 16 Aug 2006, Christoph Hellwig wrote:
> On Mon, Aug 14, 2006 at 10:21:36AM +0400, Evgeniy Polyakov wrote: >> >> poll/select() notifications. Timer notifications. >> >> This patch includes generic poll/select and timer notifications. >> >> kevent_poll works simialr to epoll and has the same issues (callback >> is invoked not from internal state machine of the caller, but through >> process awake). > > I'm not a big fan of duplicating code over and over. kevent is a candidate > for a generic event devlivery mechanisms which is a _very_ good thing. But > starting that system by duplicating existing functionality is not very nice. > > What speaks against a patch the recplaces the epoll core by something that > build on kevent while still supporting the epoll interface as a compatibility > shim?
Sorry, I'm catching up with a huge post-vacation backlog, so I didn't have the time to look at the source code. But, if kevent performance is same or better, and the external epoll interface is fully supported, than I think the shim layer idea is a good one. Provided the shim being smaller than eventpoll.c :)
- Davide
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