]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/kern/lock.h
xnu-3247.1.106.tar.gz
[apple/xnu.git] / osfmk / kern / lock.h
index d8c92421bdbc12fef4bd819de6d9fd53a1ab8b83..27aa5d01710f5cbcd75f8af5b0f75996a8d8db54 100644 (file)
@@ -1,14 +1,19 @@
 /*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
 #ifndef        _KERN_LOCK_H_
 #define        _KERN_LOCK_H_
 
-#include <kern/simple_lock.h>
-#include <machine/lock.h>
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-
-#ifndef        MACH_KERNEL_PRIVATE
-
-typedef struct __mutex__ mutex_t;
-
-#else  /* MACH_KERNEL_PRIVATE */
-
-#define        decl_mutex_data(class,name)     class mutex_t name;
-#define mutex_addr(m)                  (&(m))
-
-extern void                    mutex_init(
-                                               mutex_t         *mutex,
-                                               unsigned short  tag);
-
-#endif /* MACH_KERNEL_PRIVATE */
-
-extern mutex_t         *mutex_alloc(
-                                               unsigned short  tag);
-
-extern void                    mutex_free(
-                                               mutex_t         *mutex);
-
-extern void                    mutex_lock(
-                                               mutex_t         *mutex);
-
-extern void                    mutex_unlock(
-                                               mutex_t         *mutex);
-
-extern boolean_t       mutex_try(
-                                               mutex_t         *mutex);
-
-extern void                    mutex_pause(void);
-
-#define MA_OWNED        0x01
-#define MA_NOTOWNED     0x02
-void                           _mutex_assert (
-                                               mutex_t         *mutex,
-                                               unsigned int    what);
-
-#define mutex_assert(a, b)     _mutex_assert(a, b)
-
-#ifndef        MACH_KERNEL_PRIVATE
-
-typedef struct __lock__ lock_t;
-
-#else  /* MACH_KERNEL_PRIVATE */
-
-extern void                    lock_init(
-                                               lock_t          *lock,
-                                               boolean_t       can_sleep,
-                                               unsigned short  tag0,
-                                               unsigned short  tag1);
-
-#endif /* MACH_KERNEL_PRIVATE */
-
-extern lock_t           *lock_alloc(
-                                               boolean_t       can_sleep, 
-                                               unsigned short  tag0, 
-                                               unsigned short  tag1);
-
-extern void                     lock_free(
-                                               lock_t          *lock);
-
-extern void                    lock_write(
-                                               lock_t          *lock);
-
-extern void                    lock_read(
-                                               lock_t          *lock);
-
-extern void                    lock_done(
-                                               lock_t          *lock);
-
-extern void                    lock_write_to_read(
-                                               lock_t          *lock);
-
-#define        lock_read_done(l)               lock_done(l)
-#define        lock_write_done(l)              lock_done(l)
-
-extern boolean_t        lock_read_to_write(
-                                               lock_t          *lock);
-
-
-/* Sleep, unlocking and then relocking a usimple_lock in the process */
-extern wait_result_t   thread_sleep_usimple_lock(
-                                                       event_t                         event,
-                                                       usimple_lock_t          lock,
-                                                       wait_interrupt_t        interruptible);
-
-/* Sleep, unlocking and then relocking a mutex in the process */
-extern wait_result_t   thread_sleep_mutex(
-                                                       event_t                         event,
-                                                       mutex_t                         *mutex,
-                                                       wait_interrupt_t        interruptible);
-                                                                               
-/* Sleep with a deadline, unlocking and then relocking a mutex in the process */
-extern wait_result_t   thread_sleep_mutex_deadline(
-                                                       event_t                         event,
-                                                       mutex_t                         *mutex,
-                                                       uint64_t                        deadline,
-                                                       wait_interrupt_t        interruptible);
-
-/* Sleep, unlocking and then relocking a write lock in the process */
-extern wait_result_t   thread_sleep_lock_write(
-                                                       event_t                         event,
-                                                       lock_t                          *lock,
-                                                       wait_interrupt_t        interruptible);
-__END_DECLS
-
-#ifdef MACH_KERNEL_PRIVATE
+#include <kern/locks.h>
 
-extern wait_result_t   thread_sleep_fast_usimple_lock(
-                                                       event_t                                 event,
-                                                       simple_lock_t                   lock,
-                                                       wait_interrupt_t                 interruptible);
-#endif /* MACH_KERNEL_PRIVATE */
+#warning This header is deprecated. Use <kern/locks.h> instead.
 
 #endif /* _KERN_LOCK_H_ */