Cregit: Linux 6.4: rwsem.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Arnaldo Carvalho de Melo	60	81.08%	7	58.33%
Adrian Hunter	5	6.76%	1	8.33%
Steven Rostedt	3	4.05%	1	8.33%
Krister Johansen	2	2.70%	1	8.33%
Ingo Molnar	2	2.70%	1	8.33%
Jiri Olsa	2	2.70%	1	8.33%
Total	74		12

#ifndef _PERF_RWSEM_H
#define _PERF_RWSEM_H

#include <pthread.h>

struct rw_semaphore {
	pthread_rwlock_t lock;
};

int init_rwsem(struct rw_semaphore *sem);
int exit_rwsem(struct rw_semaphore *sem);

int down_read(struct rw_semaphore *sem);
int up_read(struct rw_semaphore *sem);

int down_write(struct rw_semaphore *sem);
int up_write(struct rw_semaphore *sem);

#endif /* _PERF_RWSEM_H */