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Date: Thu, 15 Jun 2000 12:08:07 -0700
From: Alfred Perlstein <alfred@FreeBSD.org>
To: Nate Williams <nate@yogotech.com>
Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern uipc_socket.c uipc_socket2.c src/sys/sys socket.h
Message-ID: <20000615120807.M18462@fw.wintelcom.net>
References: <200006151818.LAA31278@freefall.freebsd.org> <200006151845.MAA25472@nomad.yogotech.com>
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In-Reply-To: <200006151845.MAA25472@nomad.yogotech.com>; from nate@yogotech.com on Thu, Jun 15, 2000 at 12:45:08PM -0600
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* Nate Williams <nate@yogotech.com> [000615 11:46] wrote:
> > alfred      2000/06/15 11:18:43 PDT
> > 
> >   Modified files:
> >     sys/kern             uipc_socket.c uipc_socket2.c 
> >     sys/sys              socket.h 
> >   Log:
> >   add socketoptions DELAYACCEPT and HTTPACCEPT which will not allow an accept()
> >   until the incoming connection has either data waiting or what looks like a
> >   HTTP request header already in the socketbuffer.  This ought to reduce
> >   the context switch time and overhead for processing requests.
> >   
> >   The initial idea and code for HTTPACCEPT came from Yahoo engineers and has
> >   been cleaned up and a more lightweight DELAYACCEPT for non-http servers
> >   has been added
> >   
> >   Reviewed by: silence on hackers.
> 
> Huh?  I never saw this.  I object to adding application specific code
> inside the kernel.

It's not really a signifigant amount of code if you look at the
delta, the performance difference is signifigant though.
You'll be happy when I release my http server that uses this.

The final patch is up at:

http://people.freebsd.org/~alfred/kblob/kblob-final.diff

Here is the original message titled: "big patch"