| #ifndef FIO_MUTEX_H |
| #define FIO_MUTEX_H |
| |
| #include <pthread.h> |
| |
| #define FIO_MUTEX_MAGIC 0x4d555445U |
| #define FIO_RWLOCK_MAGIC 0x52574c4fU |
| |
| struct fio_mutex { |
| pthread_mutex_t lock; |
| pthread_cond_t cond; |
| int value; |
| int waiters; |
| int magic; |
| }; |
| |
| struct fio_rwlock { |
| pthread_rwlock_t lock; |
| int magic; |
| }; |
| |
| enum { |
| FIO_MUTEX_LOCKED = 0, |
| FIO_MUTEX_UNLOCKED = 1, |
| }; |
| |
| extern struct fio_mutex *fio_mutex_init(int); |
| extern void fio_mutex_remove(struct fio_mutex *); |
| extern void fio_mutex_up(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_rwlock_read(struct fio_rwlock *); |
| extern void fio_rwlock_write(struct fio_rwlock *); |
| extern void fio_rwlock_unlock(struct fio_rwlock *); |
| extern struct fio_rwlock *fio_rwlock_init(void); |
| extern void fio_rwlock_remove(struct fio_rwlock *); |
| |
| #endif |