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 | 11 | |
| cdd18ad8 | 12 | int mutex_fd; |
| 07739b57 JA |
13 | }; |
| 14 | ||
| cdd18ad8 JA |
15 | extern struct fio_mutex *fio_mutex_init(int); |
| 16 | extern void fio_mutex_remove(struct fio_mutex *); | |
| af4bab56 | 17 | extern void fio_mutex_down(struct fio_mutex *); |
| 64d4d313 JA |
18 | extern void fio_mutex_down_read(struct fio_mutex *); |
| 19 | extern void fio_mutex_down_write(struct fio_mutex *); | |
| af4bab56 | 20 | extern void fio_mutex_up(struct fio_mutex *); |
| 64d4d313 JA |
21 | extern void fio_mutex_up_read(struct fio_mutex *); |
| 22 | extern void fio_mutex_up_write(struct fio_mutex *); | |
| 07739b57 | 23 | |
| 9c5b5290 JA |
24 | static inline struct fio_mutex *fio_mutex_rw_init(void) |
| 25 | { | |
| 26 | return fio_mutex_init(0); | |
| 27 | } | |
| 28 | ||
| 4d4e80f2 JA |
29 | static inline int fio_mutex_getval(struct fio_mutex *mutex) |
| 30 | { | |
| 31 | return mutex->value; | |
| 32 | } | |
| 33 | ||
| 07739b57 | 34 | #endif |