1 #ifndef FIO_MUTEX_H 2 #define FIO_MUTEX_H 3 4 #include <pthread.h> 5 #include "lib/types.h" 6 7 #define FIO_MUTEX_MAGIC 0x4d555445U 8 #define FIO_RWLOCK_MAGIC 0x52574c4fU 9 10 struct fio_mutex { 11 pthread_mutex_t lock; 12 pthread_cond_t cond; 13 int value; 14 int waiters; 15 int magic; 16 }; 17 18 struct fio_rwlock { 19 pthread_rwlock_t lock; 20 int magic; 21 }; 22 23 enum { 24 FIO_MUTEX_LOCKED = 0, 25 FIO_MUTEX_UNLOCKED = 1, 26 }; 27 28 extern int __fio_mutex_init(struct fio_mutex *, int); 29 extern struct fio_mutex *fio_mutex_init(int); 30 extern void __fio_mutex_remove(struct fio_mutex *); 31 extern void fio_mutex_remove(struct fio_mutex *); 32 extern void fio_mutex_up(struct fio_mutex *); 33 extern void fio_mutex_down(struct fio_mutex *); 34 extern bool fio_mutex_down_trylock(struct fio_mutex *); 35 extern int fio_mutex_down_timeout(struct fio_mutex *, unsigned int); 36 37 extern void fio_rwlock_read(struct fio_rwlock *); 38 extern void fio_rwlock_write(struct fio_rwlock *); 39 extern void fio_rwlock_unlock(struct fio_rwlock *); 40 extern struct fio_rwlock *fio_rwlock_init(void); 41 extern void fio_rwlock_remove(struct fio_rwlock *); 42 43 extern int mutex_init_pshared(pthread_mutex_t *); 44 extern int cond_init_pshared(pthread_cond_t *); 45 extern int mutex_cond_init_pshared(pthread_mutex_t *, pthread_cond_t *); 46 47 #endif 48
