projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| 07739b57 JA |
1 | #ifndef FIO_MUTEX_H |
| 2 | #define FIO_MUTEX_H | |
| 3 | ||
| 4 | #include <pthread.h> | |
| 5 | ||
| cdd18ad8 | 6 | struct fio_mutex { |
| 07739b57 JA |
7 | pthread_mutex_t lock; |
| 8 | pthread_cond_t cond; | |
| 64d4d313 | 9 | int value; |
| 4d4e80f2 | 10 | int waiters; |
| 07739b57 JA |
11 | }; |
| 12 | ||
| 521da527 JA |
13 | enum { |
| 14 | FIO_MUTEX_LOCKED = 0, | |
| 15 | FIO_MUTEX_UNLOCKED = 1, | |
| 16 | }; | |
| 17 | ||
| cdd18ad8 JA |
18 | extern struct fio_mutex *fio_mutex_init(int); |
| 19 | extern void fio_mutex_remove(struct fio_mutex *); | |
| af4bab56 | 20 | extern void fio_mutex_down(struct fio_mutex *); |
| 656b1393 | 21 | extern int fio_mutex_down_timeout(struct fio_mutex *, unsigned int); |
| 64d4d313 JA |
22 | extern void fio_mutex_down_read(struct fio_mutex *); |
| 23 | extern void fio_mutex_down_write(struct fio_mutex *); | |
| af4bab56 | 24 | extern void fio_mutex_up(struct fio_mutex *); |
| 64d4d313 JA |
25 | extern void fio_mutex_up_read(struct fio_mutex *); |
| 26 | extern void fio_mutex_up_write(struct fio_mutex *); | |
| 07739b57 | 27 | |
| 9c5b5290 JA |
28 | static inline struct fio_mutex *fio_mutex_rw_init(void) |
| 29 | { | |
| 30 | return fio_mutex_init(0); | |
| 31 | } | |
| 32 | ||
| 4d4e80f2 JA |
33 | static inline int fio_mutex_getval(struct fio_mutex *mutex) |
| 34 | { | |
| 35 | return mutex->value; | |
| 36 | } | |
| 37 | ||
| 07739b57 | 38 | #endif |