/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, 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@
*/
/*
* @OSF_COPYRIGHT@
#include <mach/mach_types.h>
-#include <sys/appleapiopts.h>
-
-#ifdef __APPLE_API_PRIVATE
-
#ifdef MACH_KERNEL_PRIVATE
#include <kern/wait_queue.h>
#include <kern/macro_help.h>
#include <kern/queue.h>
-#include <kern/lock.h>
+#include <kern/locks.h>
typedef struct ulock {
- queue_chain_t thread_link; /* ulocks owned by a thread */
+ queue_chain_t thread_link; /* ulocks owned by thread MUST BE FIRST */
queue_chain_t held_link; /* ulocks held in the lock set */
queue_chain_t handoff_link; /* ulocks w/ active handoffs */
+ struct lock_set *lock_set; /* the retaining lock set */
+ thread_t holder; /* thread that holds the lock */
- decl_mutex_data(,lock) /* ulock lock */
+ struct wait_queue wait_queue; /* queue of blocked threads */
+
+ decl_lck_mtx_data(,lock) /* ulock lock */
- struct lock_set *lock_set; /* the retaining lock set */
- thread_act_t holder; /* thread_act that holds the lock */
unsigned int /* flags */
/* boolean_t */ blocked:1, /* did threads block waiting? */
/* boolean_t */ unstable:1, /* unstable? (holder died) */
/* boolean_t */ ho_wait:1, /* handoff thread waiting? */
/* boolean_t */ accept_wait:1, /* accepting thread waiting? */
:0; /* force to long boundary */
-
- struct wait_queue wait_queue; /* queue of blocked threads */
} Ulock;
typedef struct ulock *ulock_t;
typedef struct lock_set {
- queue_chain_t task_link; /* chain of lock sets owned by a task */
- decl_mutex_data(,lock) /* lock set lock */
+ queue_chain_t task_link; /* lock sets owned by a task MUST BE FIRST */
task_t owner; /* task that owns the lock set */
ipc_port_t port; /* lock set port */
- int ref_count; /* reference count */
+ decl_lck_mtx_data(,lock) /* lock set lock */
+ uint32_t ref_count; /* reference count */
boolean_t active; /* active status */
int n_ulocks; /* number of ulocks in the lock set */
#define ULOCK_FREE 0
#define ULOCK_HELD 1
-/*
- * Data structure internal lock macros
- */
-
-#define lock_set_lock_init(ls) mutex_init(&(ls)->lock, \
- ETAP_THREAD_LOCK_SET)
-#define lock_set_lock(ls) mutex_lock(&(ls)->lock)
-#define lock_set_unlock(ls) mutex_unlock(&(ls)->lock)
-
-#define ulock_lock_init(ul) mutex_init(&(ul)->lock, \
- ETAP_THREAD_ULOCK)
-#define ulock_lock(ul) mutex_lock(&(ul)->lock)
-#define ulock_unlock(ul) mutex_unlock(&(ul)->lock)
-
-extern void lock_set_init(void);
-
-extern kern_return_t lock_release_internal (ulock_t ulock,
- thread_act_t thr_act);
-
-#endif /* MACH_KERNEL_PRIVATE */
-
-#endif /* __APPLE_API_PRIVATE */
-
+extern lck_grp_t lock_set_grp;
+extern lck_attr_t lock_set_attr;
/*
- * Forward Declarations
+ * Data structure internal lock macros
*/
-extern kern_return_t lock_set_create (task_t task,
- lock_set_t *new_lock_set,
- int n_ulocks,
- int policy);
-
-extern kern_return_t lock_set_destroy (task_t task,
- lock_set_t lock_set);
-
-extern kern_return_t lock_acquire (lock_set_t lock_set,
- int lock_id);
+#define lock_set_lock_init(ls) lck_mtx_init(&(ls)->lock, &lock_set_grp, &lock_set_attr)
+#define lock_set_lock(ls) lck_mtx_lock(&(ls)->lock)
+#define lock_set_unlock(ls) lck_mtx_unlock(&(ls)->lock)
-extern kern_return_t lock_release (lock_set_t lock_set,
- int lock_id);
+#define ulock_lock_init(ul) lck_mtx_init(&(ul)->lock, &lock_set_grp, &lock_set_attr)
+#define ulock_lock(ul) lck_mtx_lock(&(ul)->lock)
+#define ulock_unlock(ul) lck_mtx_unlock(&(ul)->lock)
-extern kern_return_t lock_try (lock_set_t lock_set,
- int lock_id);
+extern void lock_set_init(void) __attribute__((section("__TEXT, initcode")));
-extern kern_return_t lock_make_stable (lock_set_t lock_set,
- int lock_id);
+extern kern_return_t ulock_release_internal(
+ ulock_t ulock,
+ thread_t thread);
-extern kern_return_t lock_make_unstable (ulock_t ulock,
- thread_act_t thr_act);
+extern kern_return_t lock_make_unstable(
+ ulock_t ulock,
+ thread_t thread);
-extern kern_return_t lock_handoff (lock_set_t lock_set,
- int lock_id);
-
-extern kern_return_t lock_handoff_accept (lock_set_t lock_set,
- int lock_id);
+extern void ulock_release_all(
+ thread_t thread);
extern void lock_set_reference (lock_set_t lock_set);
extern void lock_set_dereference (lock_set_t lock_set);
+#endif /* MACH_KERNEL_PRIVATE */
+
#endif /* _KERN_SYNC_LOCK_H_ */
projects / apple / xnu.git / blobdiff