Searched refs:sem (Results 1 – 4 of 4) sorted by relevance
| /kernel/locking/ |
| D | rwsem.c | 107 # define DEBUG_RWSEMS_WARN_ON(c, sem) do { \ argument
110 #c, atomic_long_read(&(sem)->count), \
111 (unsigned long) sem->magic, \
112 atomic_long_read(&(sem)->owner), (long)current, \
113 list_empty(&(sem)->wait_list) ? "" : "not ")) \
117 # define DEBUG_RWSEMS_WARN_ON(c, sem) argument
176 static inline void rwsem_set_owner(struct rw_semaphore *sem) in rwsem_set_owner() argument
178 atomic_long_set(&sem->owner, (long)current); in rwsem_set_owner()
179 trace_android_vh_rwsem_set_owner(sem); in rwsem_set_owner()
182 static inline void rwsem_clear_owner(struct rw_semaphore *sem) in rwsem_clear_owner() argument
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| D | percpu-rwsem.c | 28 int __percpu_init_rwsem(struct percpu_rw_semaphore *sem, in __percpu_init_rwsem() argument
31 sem->read_count = alloc_percpu(int); in __percpu_init_rwsem()
32 if (unlikely(!sem->read_count)) in __percpu_init_rwsem()
35 rcu_sync_init(&sem->rss); in __percpu_init_rwsem()
36 rcuwait_init(&sem->writer); in __percpu_init_rwsem()
37 init_waitqueue_head(&sem->waiters); in __percpu_init_rwsem()
38 atomic_set(&sem->block, 0); in __percpu_init_rwsem()
40 debug_check_no_locks_freed((void *)sem, sizeof(*sem)); in __percpu_init_rwsem()
41 lockdep_init_map(&sem->dep_map, name, key, 0); in __percpu_init_rwsem()
47 void percpu_free_rwsem(struct percpu_rw_semaphore *sem) in percpu_free_rwsem() argument
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| D | semaphore.c | 36 static noinline void __down(struct semaphore *sem);
37 static noinline int __down_interruptible(struct semaphore *sem);
38 static noinline int __down_killable(struct semaphore *sem);
39 static noinline int __down_timeout(struct semaphore *sem, long timeout);
40 static noinline void __up(struct semaphore *sem);
53 void down(struct semaphore *sem) in down() argument
57 raw_spin_lock_irqsave(&sem->lock, flags); in down()
58 if (likely(sem->count > 0)) in down()
59 sem->count--; in down()
61 __down(sem); in down()
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| /kernel/ |
| D | taskstats.c | 54 struct rw_semaphore sem; member
121 down_read(&listeners->sem); in send_cpu_listeners()
136 up_read(&listeners->sem); in send_cpu_listeners()
145 down_write(&listeners->sem); in send_cpu_listeners()
152 up_write(&listeners->sem); in send_cpu_listeners()
302 down_write(&listeners->sem); in add_del_listener()
310 up_write(&listeners->sem); in add_del_listener()
320 down_write(&listeners->sem); in add_del_listener()
328 up_write(&listeners->sem); in add_del_listener()
677 init_rwsem(&(per_cpu(listener_array, i).sem)); in taskstats_init_early()
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