Re: [take19 1/4] kevent: Core files.

[Eric Dumazet <dada1@cosmosbay.com>]

On Tuesday 17 October 2006 18:35, Evgeniy Polyakov wrote:
> On Tue, Oct 17, 2006 at 06:26:04PM +0200, Eric Dumazet (dada1@cosmosbay.com) 
wrote:
> > On Tuesday 17 October 2006 18:01, Evgeniy Polyakov wrote:
> > > Ok, there is one apologist for mmap buffer implementation, who forced
> > > me to create first implementation, which was dropped due to absense of
> > > remote mental reading abilities.
> > > Ulrich, does above approach sound good for you?
> > > I actually do not want to reimplement something, that will be
> > > pointed to with words 'no matter what you say, it is broken and I do
> > > not want it' again :).
> >
> > In my humble opinion, you should first write a 'real application', to
> > show how the mmap buffer and kevent syscalls would be used (fast path and
> > slow/recovery paths). I am sure it would be easier for everybody to agree
> > on the API *before* you start coding a *lot* of hard (kernel) stuff : It
> > would certainly save your mental CPU cycles (and ours too :) )
> >
> > This 'real application' could be  the event loop of a simple HTTP server,
> > or a basic 'echo all' server. Adding the bits about timers events and
> > signals should be done too.
>
> I wrote one with previous ring buffer implementation - it used timers
> and echoed when they fired, it was even described in details in one of the
> lwn.net articles.
>
> I'm not going to waste others and my time implementing feature requests
> without at least _some_ feedback from those who asked them.
> In case when person, originally requested some feature, does not answer
> and there are other opinions, only they will be get into account of
> course.

I am not sure I understand what you wrote, English is not our native language.

I think many people gave you feedbacks. I feel that all feedback on this 
mailing list is constructive. Many posts/patches on this list are never 
commented at all.

Eric
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