| 1 | #ifndef FIO_MUTEX_H |
| 2 | #define FIO_MUTEX_H |
| 3 | |
| 4 | #include <pthread.h> |
| 5 | |
| 6 | struct fio_mutex { |
| 7 | pthread_mutex_t lock; |
| 8 | pthread_cond_t cond; |
| 9 | int value; |
| 10 | int waiters; |
| 11 | }; |
| 12 | |
| 13 | struct fio_rwlock { |
| 14 | pthread_rwlock_t lock; |
| 15 | }; |
| 16 | |
| 17 | enum { |
| 18 | FIO_MUTEX_LOCKED = 0, |
| 19 | FIO_MUTEX_UNLOCKED = 1, |
| 20 | }; |
| 21 | |
| 22 | extern struct fio_mutex *fio_mutex_init(int); |
| 23 | extern void fio_mutex_remove(struct fio_mutex *); |
| 24 | extern void fio_mutex_up(struct fio_mutex *); |
| 25 | extern void fio_mutex_down(struct fio_mutex *); |
| 26 | extern int fio_mutex_down_timeout(struct fio_mutex *, unsigned int); |
| 27 | |
| 28 | extern void fio_rwlock_read(struct fio_rwlock *); |
| 29 | extern void fio_rwlock_write(struct fio_rwlock *); |
| 30 | extern void fio_rwlock_unlock(struct fio_rwlock *); |
| 31 | extern struct fio_rwlock *fio_rwlock_init(void); |
| 32 | extern void fio_rwlock_remove(struct fio_rwlock *); |
| 33 | |
| 34 | #endif |