From owner-freebsd-bugs@FreeBSD.ORG  Tue Nov  4 00:19:00 2003
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
Delivered-To: freebsd-bugs@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id F3DA016A4CE; Tue,  4 Nov 2003 00:18:59 -0800 (PST)
Received: from VARK.homeunix.com (adsl-68-123-40-77.dsl.pltn13.pacbell.net
	[68.123.40.77])	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 3965C43F75; Tue,  4 Nov 2003 00:18:59 -0800 (PST)
	(envelope-from das@FreeBSD.ORG)
Received: from VARK.homeunix.com (localhost [127.0.0.1])
	by VARK.homeunix.com (8.12.9/8.12.9) with ESMTP id hA48I1en078708;
	Tue, 4 Nov 2003 00:18:01 -0800 (PST)
	(envelope-from das@FreeBSD.ORG)
Received: (from das@localhost)
	by VARK.homeunix.com (8.12.9/8.12.9/Submit) id hA48I1Hr078707;
	Tue, 4 Nov 2003 00:18:01 -0800 (PST)
	(envelope-from das@FreeBSD.ORG)
Date: Tue, 4 Nov 2003 00:18:00 -0800
From: David Schultz <das@FreeBSD.ORG>
To: Igor Serikov <bt@turtle.freedns.us>
Message-ID: <20031104081800.GA78439@VARK.homeunix.com>
Mail-Followup-To: Igor Serikov <bt@turtle.freedns.us>,
	FreeBSD Bugs <freebsd-bugs@FreeBSD.ORG>,
	FreeBSD Hackers <freebsd-hackers@FreeBSD.ORG>
References: <3FA61A17.70605@turtle.freedns.us>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <3FA61A17.70605@turtle.freedns.us>
cc: FreeBSD Hackers <freebsd-hackers@FreeBSD.ORG>
cc: FreeBSD Bugs <freebsd-bugs@FreeBSD.ORG>
Subject: Re: rfork problem
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Bug reports <freebsd-bugs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs>
List-Post: <mailto:freebsd-bugs@freebsd.org>
List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 04 Nov 2003 08:19:00 -0000

On Mon, Nov 03, 2003, Igor Serikov wrote:
> 
>   Hello,
> 
> Combining flags RFNOWAIT and RFPPWAIT in rfork(2) under 4.6-RELEASE 
> makes the parent process sleeping on channel "ppwait" forever.

RFPPWAIT tells rfork() to wait for the child to exit, and RFNOWAIT
tells rfork() to detach the child such that it never tells the
parent when it exits.  So you're getting exactly what you asked
for, as silly as it may be.