X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..c910b4d9d2451126ae3917b931cd4390c11e1d52:/bsd/sys/sem_internal.h?ds=sidebyside

diff --git a/bsd/sys/sem_internal.h b/bsd/sys/sem_internal.h
index bcaa2b54a..e59aca2aa 100644
--- a/bsd/sys/sem_internal.h
+++ b/bsd/sys/sem_internal.h
@@ -1,23 +1,35 @@
 /*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections.  This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
  */
 /*	$NetBSD: sem.h,v 1.5 1994/06/29 06:45:15 cgd Exp $	*/
 
@@ -114,7 +126,7 @@ typedef union user_semun user_semun_t;
  * Undo structure (internal: one per process)
  */
 struct sem_undo {
-	struct	sem_undo *un_next;	/* ptr to next active undo structure */
+	int 	un_next_idx;	/* index of next active undo structure */
 	struct	proc *un_proc;		/* owner of this structure */
 	short	un_cnt;			/* # of active entries */
 	struct undo {
@@ -142,6 +154,15 @@ struct seminfo {
 };
 extern struct seminfo	seminfo;
 
+/*
+ * Kernel wrapper for the user-level structure
+ */
+struct semid_kernel {
+	struct	user_semid_ds u;
+	struct	label *label;	/* MAC framework label */
+};
+
+
 /* internal "mode" bits */
 #define	SEM_ALLOC	01000	/* semaphore is allocated */
 #define	SEM_DEST	02000	/* semaphore will be destroyed on last detach */
@@ -168,7 +189,7 @@ extern struct seminfo	seminfo;
  */
 #define SEMUSZ		sizeof(struct sem_undo)
 
-extern struct user_semid_ds	*sema;		/* semaphore id pool */
+extern struct semid_kernel	*sema;		/* semaphore id pool */
 extern struct sem		*sem_pool;	/* semaphore pool */
 /* This is now a struct sem_undo with the new memory allocation 
  * extern int	*semu;		// undo structure pool