From owner-freebsd-net  Thu Aug 27 00:30:05 1998
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To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
cc: net@FreeBSD.ORG
Subject: Re: Next big network patch: specialized sosend for TCP 
In-reply-to: Your message of "Wed, 26 Aug 1998 21:55:19 EDT."
             <199808270155.VAA07365@khavrinen.lcs.mit.edu> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Thu, 27 Aug 1998 00:27:23 -0700
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>Here's the next patch that's going into the TCP stack.  I am running
>this right now, so I'm certain it's not completely bogus, but have not
>stress-tested it as yet.  It does appear to be somewhat faster (having
>eliminated about a dozen branches), but -current is a very hostile
>environment for microbenchmarks of the sort I would usually use.
>
>Once again, any comments would be appreciated.
...
> 
> /*
>@@ -786,5 +791,230 @@
> 			tp->t_timer[TCPT_2MSL] = tcp_maxidle;
> 	}
> 	return (tp);
>+}
>+
>+#include <sys/malloc.h>
>+#include <sys/proc.h>
>+#include <sys/resource.h>
>+#include <sys/resourcevar.h>
>+#include <sys/uio.h>
>+
>+#define	SBLOCKWAIT(f)	(((f) & MSG_DONTWAIT) ? M_NOWAIT : M_WAITOK)

   #include's don't belong in the middle of a file.

-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project

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