From owner-p4-projects@FreeBSD.ORG  Sat Oct 14 16:05:00 2006
Return-Path: <owner-p4-projects@FreeBSD.ORG>
X-Original-To: p4-projects@freebsd.org
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id 85BEF16A407; Sat, 14 Oct 2006 16:05:00 +0000 (UTC)
X-Original-To: perforce@FreeBSD.org
Delivered-To: perforce@FreeBSD.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 43F5116A415
	for <perforce@FreeBSD.org>; Sat, 14 Oct 2006 16:05:00 +0000 (UTC)
	(envelope-from rdivacky@FreeBSD.org)
Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115])
	by mx1.FreeBSD.org (Postfix) with ESMTP id D155E43D55
	for <perforce@FreeBSD.org>; Sat, 14 Oct 2006 16:04:59 +0000 (GMT)
	(envelope-from rdivacky@FreeBSD.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.13.6/8.13.6) with ESMTP id k9EG4xmh040873
	for <perforce@FreeBSD.org>; Sat, 14 Oct 2006 16:04:59 GMT
	(envelope-from rdivacky@FreeBSD.org)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.13.6/8.13.4/Submit) id k9EG4x8o040869
	for perforce@freebsd.org; Sat, 14 Oct 2006 16:04:59 GMT
	(envelope-from rdivacky@FreeBSD.org)
Date: Sat, 14 Oct 2006 16:04:59 GMT
Message-Id: <200610141604.k9EG4x8o040869@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	rdivacky@FreeBSD.org using -f
From: Roman Divacky <rdivacky@FreeBSD.org>
To: Perforce Change Reviews <perforce@FreeBSD.org>
Cc: 
Subject: PERFORCE change 107903 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 14 Oct 2006 16:05:00 -0000

http://perforce.freebsd.org/chv.cgi?CH=107903

Change 107903 by rdivacky@rdivacky_witten on 2006/10/14 16:04:47

	A bunch of fixes that makes this not panic when killpg() is called.

Affected files ...

.. //depot/projects/linuxolator/src/sys/compat/linux/linux_emul.c#10 edit

Differences ...

==== //depot/projects/linuxolator/src/sys/compat/linux/linux_emul.c#10 (text+ko) ====

@@ -212,8 +212,12 @@
 	q = LIST_FIRST(&p->p_children);
 	for (; q != NULL; q = nq) {
 	   	nq = LIST_NEXT(q, p_sibling);
-		if (__predict_true(q->p_sysent != &elf_linux_sysvec))
-   		   	break;
+	   	PROC_LOCK(q);
+	   	if (q->p_flag & P_WEXIT)
+		   	continue;
+	   	PROC_UNLOCK(q);
+		if (__predict_false(q->p_sysent != &elf_linux_sysvec))
+   		   	continue;
    	   	em = em_find(q, EMUL_UNLOCKED);
 		KASSERT(em != NULL, ("linux_reparent: emuldata not found: %i\n", q->p_pid));
 		if (em->pdeath_signal != 0) {