From owner-cvs-all  Sun Oct 11 10:28:52 1998
Return-Path: <owner-cvs-all@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id KAA15404
          for cvs-all-outgoing; Sun, 11 Oct 1998 10:28:52 -0700 (PDT)
          (envelope-from owner-cvs-all@FreeBSD.ORG)
Received: from ns1.yes.no (ns1.yes.no [195.204.136.10])
          by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id KAA15390;
          Sun, 11 Oct 1998 10:28:42 -0700 (PDT)
          (envelope-from eivind@bitbox.follo.net)
Received: from bitbox.follo.net (bitbox.follo.net [195.204.143.218])
	by ns1.yes.no (8.9.1a/8.9.1) with ESMTP id TAA21969;
	Sun, 11 Oct 1998 19:27:56 +0200 (CEST)
Received: (from eivind@localhost)
	by bitbox.follo.net (8.8.8/8.8.6) id TAA09593;
	Sun, 11 Oct 1998 19:27:54 +0200 (MET DST)
Message-ID: <19981011192754.34404@follo.net>
Date: Sun, 11 Oct 1998 19:27:54 +0200
From: Eivind Eklund <eivind@yes.no>
To: Matthew Dillon <dillon@backplane.com>, Peter Wemm <peter@netplex.com.au>,
        Bruce Evans <bde@FreeBSD.ORG>, cvs-committers@FreeBSD.ORG,
        cvs-all@FreeBSD.ORG
Subject: Re: cvs commit: src/lib/libc/gen popen.c
References: <199810110309.LAA18511@spinner.netplex.com.au> <199810110906.CAA02043@apollo.backplane.com> <19981011193603.A28135@nagual.pp.ru>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Mailer: Mutt 0.89.1i
In-Reply-To: <19981011193603.A28135@nagual.pp.ru>; from Andrey A. Chernov on Sun, Oct 11, 1998 at 07:36:03PM +0400
Sender: owner-cvs-all@FreeBSD.ORG
Precedence: bulk

On Sun, Oct 11, 1998 at 07:36:03PM +0400, Andrey A. Chernov wrote:
> On Sun, Oct 11, 1998 at 02:06:17AM -0700, Matthew Dillon wrote:
> >     Wait a second!!!!!! vfork() was specifically designed for situations
> >     where you call the exec*() functions.  That's the whole point of 
> >     using vfork() rather then fork()!!!!!
> 
> Yes, I agree too. There is a lots programs which do that way, much more
> than in our src tree. Exec*() must be fixed instead to avoid calling
> malloc() 

exec() isn't the only problem.  There are programs calling e.g. wanr()
on failure of the exec().  We have to do an audit WRT which programs
are abusing vfork(), anyway...

Eivind.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe cvs-all" in the body of the message