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mutex.h
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#ifndef FIO_MUTEX_H
#define FIO_MUTEX_H
#include <pthread.h>
struct fio_mutex {
pthread_mutex_t lock;
pthread_cond_t cond;
int value;
int waiters;
};
extern struct fio_mutex *fio_mutex_init(int);
extern void fio_mutex_remove(struct fio_mutex *);
extern void fio_mutex_down(struct fio_mutex *);
extern int fio_mutex_down_timeout(struct fio_mutex *, unsigned int);
extern void fio_mutex_down_read(struct fio_mutex *);
extern void fio_mutex_down_write(struct fio_mutex *);
extern void fio_mutex_up(struct fio_mutex *);
extern void fio_mutex_up_read(struct fio_mutex *);
extern void fio_mutex_up_write(struct fio_mutex *);
static inline struct fio_mutex *fio_mutex_rw_init(void)
{
return fio_mutex_init(0);
}
static inline int fio_mutex_getval(struct fio_mutex *mutex)
{
return mutex->value;
}
#endif