xnu-792.18.15.tar.gz

[apple/xnu.git] / osfmk / kern / locks.h

diff --git a/osfmk/kern/locks.h b/osfmk/kern/locks.h
index 06496c640093d381a9b0084bd0ca1f3139c4c204..f2c9646f58f19f47045e4c165f164082f9d4d231 100644 (file)
--- a/osfmk/kern/locks.h
+++ b/osfmk/kern/locks.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2003-2005 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_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 Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * 
+ * 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.
+ * 
+ * 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.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef _KERN_LOCKS_H_
@@ -181,8 +187,10 @@ typedef    struct _lck_attr_ {
 
 extern lck_attr_t      LockDefaultLckAttr;
 
-#define        LCK_ATTR_NONE           0
-#define        LCK_ATTR_DEBUG  0x1
+#define LCK_ATTR_NONE          0
+
+#define        LCK_ATTR_DEBUG                          0x00000001
+#define        LCK_ATTR_RW_SHARED_PRIORITY     0x00010000
 
 #else
 typedef struct __lck_attr__ lck_attr_t;
@@ -201,6 +209,11 @@ extern     void                    lck_attr_setdefault(
 extern void                    lck_attr_setdebug(
                                                                        lck_attr_t              *attr);
 
+#ifdef XNU_KERNEL_PRIVATE
+extern void                    lck_attr_rw_shared_priority(
+                                                                       lck_attr_t              *attr);
+#endif
+
 extern void                    lck_attr_free(
                                                                        lck_attr_t              *attr);