| /include/linux/ |
| D | rwsem.h | 87 static inline int rwsem_is_locked(struct rw_semaphore *sem) in rwsem_is_locked() argument
89 return atomic_long_read(&sem->count) != 0; in rwsem_is_locked()
121 extern void __init_rwsem(struct rw_semaphore *sem, const char *name,
124 #define init_rwsem(sem) \ argument
128 __init_rwsem((sem), #sem, &__key); \
137 static inline int rwsem_is_contended(struct rw_semaphore *sem) in rwsem_is_contended() argument
139 return !list_empty(&sem->wait_list); in rwsem_is_contended()
165 #define init_rwsem(sem) \ argument
169 __init_rwsem((sem), #sem, &__key); \
172 static __always_inline int rwsem_is_locked(struct rw_semaphore *sem) in rwsem_is_locked() argument
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| D | percpu-rwsem.h | 57 static inline void percpu_down_read(struct percpu_rw_semaphore *sem) in percpu_down_read() argument
61 rwsem_acquire_read(&sem->dep_map, 0, 0, _RET_IP_); in percpu_down_read()
72 if (likely(rcu_sync_is_idle(&sem->rss))) in percpu_down_read()
73 this_cpu_inc(*sem->read_count); in percpu_down_read()
75 __percpu_down_read(sem, false); /* Unconditional memory barrier */ in percpu_down_read()
84 static inline bool percpu_down_read_trylock(struct percpu_rw_semaphore *sem) in percpu_down_read_trylock() argument
92 if (likely(rcu_sync_is_idle(&sem->rss))) in percpu_down_read_trylock()
93 this_cpu_inc(*sem->read_count); in percpu_down_read_trylock()
95 ret = __percpu_down_read(sem, true); /* Unconditional memory barrier */ in percpu_down_read_trylock()
104 rwsem_acquire_read(&sem->dep_map, 0, 1, _RET_IP_); in percpu_down_read_trylock()
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| D | semaphore.h | 31 static inline void sema_init(struct semaphore *sem, int val) in sema_init() argument
34 *sem = (struct semaphore) __SEMAPHORE_INITIALIZER(*sem, val); in sema_init()
35 lockdep_init_map(&sem->lock.dep_map, "semaphore->lock", &__key, 0); in sema_init()
38 extern void down(struct semaphore *sem);
39 extern int __must_check down_interruptible(struct semaphore *sem);
40 extern int __must_check down_killable(struct semaphore *sem);
41 extern int __must_check down_trylock(struct semaphore *sem);
42 extern int __must_check down_timeout(struct semaphore *sem, long jiffies);
43 extern void up(struct semaphore *sem);
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| D | tty_ldisc.h | 150 extern void __init_ldsem(struct ld_semaphore *sem, const char *name,
153 #define init_ldsem(sem) \ argument
157 __init_ldsem((sem), #sem, &__key); \
161 extern int ldsem_down_read(struct ld_semaphore *sem, long timeout);
162 extern int ldsem_down_read_trylock(struct ld_semaphore *sem);
163 extern int ldsem_down_write(struct ld_semaphore *sem, long timeout);
164 extern int ldsem_down_write_trylock(struct ld_semaphore *sem);
165 extern void ldsem_up_read(struct ld_semaphore *sem);
166 extern void ldsem_up_write(struct ld_semaphore *sem);
169 extern int ldsem_down_read_nested(struct ld_semaphore *sem, int subclass,
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| D | key.h | 199 struct rw_semaphore sem; /* change vs change sem */ member
472 rwsem_is_locked(&((struct key *)(KEY))->sem)))
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| /include/trace/hooks/ |
| D | rwsem.h | 17 TP_PROTO(struct rw_semaphore *sem),
18 TP_ARGS(sem));
20 TP_PROTO(struct rw_semaphore *sem),
21 TP_ARGS(sem));
23 TP_PROTO(struct rw_semaphore *sem),
24 TP_ARGS(sem));
27 struct rw_semaphore *sem,
29 TP_ARGS(waiter, sem, already_on_list));
31 TP_PROTO(struct rw_semaphore *sem),
32 TP_ARGS(sem));
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| D | dtask.h | 45 TP_PROTO(struct rw_semaphore *sem),
46 TP_ARGS(sem));
48 TP_PROTO(struct rw_semaphore *sem),
49 TP_ARGS(sem));
51 TP_PROTO(struct rw_semaphore *sem),
52 TP_ARGS(sem));
54 TP_PROTO(struct rw_semaphore *sem),
55 TP_ARGS(sem));
57 TP_PROTO(struct rw_semaphore *sem, bool *time_out, int *cnt, bool chk_only),
58 TP_ARGS(sem, time_out, cnt, chk_only));
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| /include/soc/arc/ |
| D | mcip.h | 66 msg:1, sem:1, ipi:1, slv:1, member
70 slv:1, ipi:1, sem:1, msg:1,
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| /include/uapi/linux/ |
| D | sem.h | 29 struct sem *sem_base; /* ptr to first semaphore in array */
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| /include/linux/mlx5/ |
| D | driver.h | 299 struct semaphore sem; member
|