From owner-svn-src-all@FreeBSD.ORG  Wed Sep  1 01:26:07 2010
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6148E1065698;
	Wed,  1 Sep 2010 01:26:07 +0000 (UTC)
	(envelope-from davidxu@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 518268FC1C;
	Wed,  1 Sep 2010 01:26:07 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o811Q742047249;
	Wed, 1 Sep 2010 01:26:07 GMT (envelope-from davidxu@svn.freebsd.org)
Received: (from davidxu@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o811Q7fc047247;
	Wed, 1 Sep 2010 01:26:07 GMT (envelope-from davidxu@svn.freebsd.org)
Message-Id: <201009010126.o811Q7fc047247@svn.freebsd.org>
From: David Xu <davidxu@FreeBSD.org>
Date: Wed, 1 Sep 2010 01:26:07 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r212075 - head/sys/kern
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 01 Sep 2010 01:26:07 -0000

Author: davidxu
Date: Wed Sep  1 01:26:07 2010
New Revision: 212075
URL: http://svn.freebsd.org/changeset/base/212075

Log:
  rescure comments from RELENG_4.

Modified:
  head/sys/kern/kern_sig.c

Modified: head/sys/kern/kern_sig.c
==============================================================================
--- head/sys/kern/kern_sig.c	Tue Aug 31 23:14:03 2010	(r212074)
+++ head/sys/kern/kern_sig.c	Wed Sep  1 01:26:07 2010	(r212075)
@@ -2140,6 +2140,10 @@ tdsendsignal(struct proc *p, struct thre
 	 */
 	if (P_SHOULDSTOP(p)) {
 		if (sig == SIGKILL) {
+			/*
+			 * If traced process is already stopped,
+			 * then no further action is necessary.
+			 */
 			if (p->p_flag & P_TRACED)
 				goto out;
 			/*
@@ -2152,6 +2156,10 @@ tdsendsignal(struct proc *p, struct thre
 		}
 
 		if (prop & SA_CONT) {
+			/*
+			 * If traced process is already stopped,
+			 * then no further action is necessary.
+			 */
 			if (p->p_flag & P_TRACED)
 				goto out;
 			/*
@@ -2198,6 +2206,10 @@ tdsendsignal(struct proc *p, struct thre
 		}
 
 		if (prop & SA_STOP) {
+			/*
+			 * If traced process is already stopped,
+			 * then no further action is necessary.
+			 */
 			if (p->p_flag & P_TRACED)
 				goto out;
 			/*