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0a7c74ea ACM |
1 | #ifndef _PERF_RWSEM_H |
2 | #define _PERF_RWSEM_H | |
3 | ||
4 | #include <pthread.h> | |
5 | ||
6 | struct rw_semaphore { | |
7 | pthread_rwlock_t lock; | |
8 | }; | |
9 | ||
10 | int init_rwsem(struct rw_semaphore *sem); | |
11 | int exit_rwsem(struct rw_semaphore *sem); | |
12 | ||
13 | int down_read(struct rw_semaphore *sem); | |
14 | int up_read(struct rw_semaphore *sem); | |
15 | ||
16 | int down_write(struct rw_semaphore *sem); | |
17 | int up_write(struct rw_semaphore *sem); | |
18 | ||
19 | #endif /* _PERF_RWSEM_H */ |