From owner-cvs-src@FreeBSD.ORG  Tue Jun 17 16:11:15 2008
Return-Path: <owner-cvs-src@FreeBSD.ORG>
Delivered-To: cvs-src@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6FF0E10656D6
	for <cvs-src@freebsd.org>; Tue, 17 Jun 2008 16:11:15 +0000 (UTC)
	(envelope-from joerg@britannica.bec.de)
Received: from www.pkgsrc-box.org (www.ostsee-abc.de [62.206.222.50])
	by mx1.freebsd.org (Postfix) with ESMTP id 23ABD8FC15
	for <cvs-src@freebsd.org>; Tue, 17 Jun 2008 16:11:15 +0000 (UTC)
	(envelope-from joerg@britannica.bec.de)
Received: from britannica.bec.de (www.pkgsrc-box.org [127.0.0.1])
	by www.pkgsrc-box.org (Postfix) with ESMTP id 01BBAE50089
	for <cvs-src@freebsd.org>; Tue, 17 Jun 2008 16:11:12 +0000 (UTC)
Received: by britannica.bec.de (Postfix, from userid 1000)
	id 0D3DD16EE9; Tue, 17 Jun 2008 18:01:03 +0200 (CEST)
Date: Tue, 17 Jun 2008 18:01:03 +0200
From: Joerg Sonnenberger <joerg@britannica.bec.de>
To: cvs-src@freebsd.org
Message-ID: <20080617160103.GA13041@britannica.bec.de>
References: <200806170633.m5H6XMJH084600@repoman.freebsd.org>
	<20080617134828.GA30076@zim.MIT.EDU>
	<20080617140600.GE1176@hoeg.nl> <4857D508.8070907@FreeBSD.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <4857D508.8070907@FreeBSD.org>
User-Agent: Mutt/1.5.17 (2007-11-01)
Subject: Re: cvs commit: src/include Makefile spawn.h unistd.h
	src/lib/libc/gen Makefile.inc Symbol.map exec.3 exec.c posix_spawn.c
X-BeenThere: cvs-src@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: CVS commit messages for the src tree <cvs-src.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-src>
List-Post: <mailto:cvs-src@freebsd.org>
List-Help: <mailto:cvs-src-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 17 Jun 2008 16:11:16 -0000

On Tue, Jun 17, 2008 at 08:15:20AM -0700, Maxim Sobolev wrote:
> Ed Schouten wrote:
>> When (if?) applications start to use posix_spawn() we may decide to move
>> it into the kernel at any time. It should be okay for now.
>
> Are there any benefits of doing it in the kernel vs. doing it via fork+exec?

You get the same advantages as vfork() offers without introduces most of
the rope.

Joerg