#define decl_mutex_data(class,name) class mutex_t name;
#define mutex_addr(m) (&(m))
-extern void mutex_init (mutex_t*, etap_event_t);
-extern void mutex_lock_wait (mutex_t *, thread_act_t);
-extern int mutex_lock_acquire (mutex_t *);
-extern void mutex_unlock_wakeup (mutex_t*, thread_act_t);
-extern void interlock_unlock (hw_lock_t);
+extern void mutex_init(
+ mutex_t *mutex,
+ etap_event_t tag);
+
+extern void mutex_lock_wait(
+ mutex_t *mutex,
+ thread_t holder);
+
+extern int mutex_lock_acquire(
+ mutex_t *mutex);
+
+extern void mutex_unlock_wakeup(
+ mutex_t *mutex,
+ thread_t holder);
+
+extern boolean_t mutex_preblock(
+ mutex_t *mutex,
+ thread_t thread);
+
+extern boolean_t mutex_preblock_wait(
+ mutex_t *mutex,
+ thread_t thread,
+ thread_t holder);
+
+extern void interlock_unlock(
+ hw_lock_t lock);
#endif /* MACH_KERNEL_PRIVATE */
-extern void mutex_pause (void);
+extern void mutex_pause(void);
#endif /* __APPLE_API_PRIVATE */
#endif /* MACH_KERNEL_PRIVATE */
-extern mutex_t *mutex_alloc (etap_event_t);
-extern void mutex_free (mutex_t*);
-extern void mutex_lock (mutex_t*);
-extern void mutex_unlock (mutex_t*);
-extern boolean_t mutex_try (mutex_t*);
+extern mutex_t *mutex_alloc(
+ etap_event_t 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);
#ifdef __APPLE_API_PRIVATE