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20 lines
393 B
C
20 lines
393 B
C
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#ifndef _PERF_RWSEM_H
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#define _PERF_RWSEM_H
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#include <pthread.h>
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struct rw_semaphore {
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pthread_rwlock_t lock;
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};
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int init_rwsem(struct rw_semaphore *sem);
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int exit_rwsem(struct rw_semaphore *sem);
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int down_read(struct rw_semaphore *sem);
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int up_read(struct rw_semaphore *sem);
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int down_write(struct rw_semaphore *sem);
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int up_write(struct rw_semaphore *sem);
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#endif /* _PERF_RWSEM_H */
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