PSARC/2005/471 BrandZ: Support for non-native zones

6374606 ::nm -D without an object may not work on processes in zones
6409350 BrandZ project integration into Solaris
6455289 pthread_setschedparam() should return EPERM rather than panic libc
6455591 setpriority(3C) gets errno wrong for deficient privileges failure
6458178 fifofs doesn't support lofs mounts of fifos
6460380 Attempted open() of a symlink with the O_NOFOLLOW flag set returns EINVAL, not ELOOP
6463857 renice(1) errors erroneously

--HG--
rename : usr/src/lib/libzonecfg/zones/SUNWblank.xml => usr/src/lib/brand/native/zone/SUNWblank.xml
rename : usr/src/lib/libzonecfg/zones/SUNWdefault.xml => usr/src/lib/brand/native/zone/SUNWdefault.xml

1 files changed, 19 insertions, 8 deletions

diff --git a/usr/src/uts/common/syscall/pgrpsys.c b/usr/src/uts/common/syscall/pgrpsys.c
index e8be876537..8f60747663 100644
--- a/usr/src/uts/common/syscall/pgrpsys.c
+++ b/usr/src/uts/common/syscall/pgrpsys.c
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -19,11 +18,16 @@
  *
  * CDDL HEADER END
  */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
 /*	  All Rights Reserved	*/
 
 
-#ident	"%Z%%M%	%I%	%E% SMI"	/* from SVr4.0 1.78 */
+#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* from SVr4.0 1.78 */
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -39,8 +43,9 @@
 int
 setpgrp(int flag, int pid, int pgid)
 {
-	register proc_t *p =  ttoproc(curthread);
-	register int	retval = 0;
+	proc_t	*p = curproc;
+	int	retval = 0;
+	int	sid;
 
 	switch (flag) {
 
@@ -51,7 +56,10 @@ setpgrp(int flag, int pid, int pgid)
 			sess_create();
 		} else
 			mutex_exit(&pidlock);
-		return (p->p_sessp->s_sid);
+		mutex_enter(&p->p_splock);
+		sid = p->p_sessp->s_sid;
+		mutex_exit(&p->p_splock);
+		return (sid);
 
 	case 3: /* setsid() */
 		mutex_enter(&pidlock);
@@ -61,7 +69,10 @@ setpgrp(int flag, int pid, int pgid)
 		}
 		mutex_exit(&pidlock);
 		sess_create();
-		return (p->p_sessp->s_sid);
+		mutex_enter(&p->p_splock);
+		sid = p->p_sessp->s_sid;
+		mutex_exit(&p->p_splock);
+		return (sid);
 
 	case 5: /* setpgid() */
 	{