xnu-344.21.73.tar.gz

[apple/xnu.git] / bsd / sys / lock.h

diff --git a/bsd/sys/lock.h b/bsd/sys/lock.h
index 0e9783854c1dd95c4b7146b61e79f41b533ad166..c08bdc006f4363af53334a76bc5cb9a58bc9a123 100644 (file)
--- a/bsd/sys/lock.h
+++ b/bsd/sys/lock.h
@@ -1,21 +1,24 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 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.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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. 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@
  */
@@ -61,8 +64,11 @@
 
 #ifndef        _SYS_LOCK_H_
 #define        _SYS_LOCK_H_
-#ifdef KERNEL
 
+#include <sys/appleapiopts.h>
+
+#ifdef KERNEL
+#ifdef __APPLE_API_UNSTABLE
 #include <kern/simple_lock.h>
 #include <kern/simple_lock_types.h>
 
@@ -71,6 +77,27 @@
 #endif
 #define simple_lock_init(l)    usimple_lock_init((l),0)
 
+#if defined(simple_lock)
+#undef simple_lock
+#endif
+#define simple_lock(l)         ((void) 1)
+
+#if defined(simple_unlock)
+#undef simple_unlock
+#endif
+#define simple_unlock(l)        ((void) 1)
+
+#if defined(simple_lock_try)
+#undef simple_lock_try
+#endif
+#define simple_lock_try(l)      1
+
+#if defined(thread_sleep_simple_lock)
+#undef thread_sleep_simple_lock
+#endif
+#define thread_sleep_simple_lock(l, e, i) thread_sleep_funnel((e), (i))
+
+#endif /* __APPLE_API_UNSTABLE */
 #else /* KERNEL */
 
 #ifndef        _MACHINE_SIMPLE_LOCK_DATA_
@@ -95,6 +122,8 @@ class        simple_lock_data_t      name;
 #endif /* _MACHINE_SIMPLE_LOCK_DATA_ */
 
 #endif /* KERNEL */
+
+#ifdef __APPLE_API_UNSTABLE
 /*
  * The general lock structure.  Provides for multiple shared locks,
  * upgrading from shared to exclusive, and sleeping until the lock
@@ -217,4 +246,6 @@ int lockmgr __P((struct lock__bsd__ *, u_int flags,
                        simple_lock_t, struct proc *p));
 int    lockstatus __P((struct lock__bsd__ *));
 
+#endif /* __APPLE_API_UNSTABLE */
+
 #endif /* _SYS_LOCK_H_ */