xnu-7195.101.1.tar.gz

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

diff --git a/osfmk/kern/sync_lock.h b/osfmk/kern/sync_lock.h
index 589fdfcb8c0e63d7816e50a3994dd4fdcc0edd43..bcbe466dd9647c7b1ccd9260af0025aa5cafec6f 100644 (file)
--- a/osfmk/kern/sync_lock.h
+++ b/osfmk/kern/sync_lock.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
  * @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
@@ -11,10 +11,10 @@
  * 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,
@@ -22,12 +22,12 @@
  * 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@
  */
 /*
  * @OSF_COPYRIGHT@
- * 
+ *
  */
 /*
  *     File:   kern/sync_lock.h
@@ -41,83 +41,15 @@
 
 #include <mach/mach_types.h>
 
-#ifdef MACH_KERNEL_PRIVATE
+#ifdef  MACH_KERNEL_PRIVATE
 
-#include <kern/wait_queue.h>
 #include <kern/macro_help.h>
 #include <kern/queue.h>
 #include <kern/locks.h>
 
-typedef struct ulock {
-       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       */
-
-       struct wait_queue wait_queue;   /* queue of blocked threads         */
-
-       decl_lck_mtx_data(,lock)        /* ulock 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       */
-} Ulock;
-
-typedef struct ulock *ulock_t;
-
-typedef struct lock_set {
-       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                       */
-       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    */
-
-       struct ulock    ulock_list[1];  /* ulock group list place holder    */
-} Lock_Set;
-
-#define ULOCK_NULL     ((ulock_t) 0)
-
-#define ULOCK_FREE     0
-#define ULOCK_HELD     1
-
-extern lck_grp_t       lock_set_grp;
-extern lck_attr_t      lock_set_attr;
-
-/*
- *  Data structure internal lock macros
- */
-
-#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)
-
-#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 void lock_set_init(void) __attribute__((section("__TEXT, initcode")));
-
-extern kern_return_t   ulock_release_internal(
-                                       ulock_t         ulock,
-                                       thread_t        thread);
-
-extern kern_return_t   lock_make_unstable(
-                                       ulock_t         ulock, 
-                                       thread_t        thread);
-
-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);
+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  /* MACH_KERNEL_PRIVATE */
 
 #endif /* _KERN_SYNC_LOCK_H_ */