X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=54009bae4ae081094172da149814dcea6e4e7eec;hp=7be0ab1b44b7c96fa4d7be645a9ff95cc9e8a0bb;hb=0f836f393f6b2535feb4175a8a1f6d2af3da95ad;hpb=4d4e80f2b4260f2c8b37a8612ce655502a799f7a diff --git a/mutex.h b/mutex.h index 7be0ab1b..54009bae 100644 --- a/mutex.h +++ b/mutex.h @@ -2,33 +2,46 @@ #define FIO_MUTEX_H #include +#include "lib/types.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; +}; - int mutex_fd; +enum { + FIO_MUTEX_LOCKED = 0, + FIO_MUTEX_UNLOCKED = 1, }; +extern int __fio_mutex_init(struct fio_mutex *, int); extern struct fio_mutex *fio_mutex_init(int); +extern void __fio_mutex_remove(struct fio_mutex *); extern void fio_mutex_remove(struct fio_mutex *); -extern void fio_mutex_down(struct fio_mutex *); -extern void fio_mutex_down_read(struct fio_mutex *); -extern void fio_mutex_down_write(struct fio_mutex *); extern void fio_mutex_up(struct fio_mutex *); -extern void fio_mutex_up_read(struct fio_mutex *); -extern void fio_mutex_up_write(struct fio_mutex *); - -static inline struct fio_mutex *fio_mutex_rw_init(void) -{ - return fio_mutex_init(0); -} - -static inline int fio_mutex_getval(struct fio_mutex *mutex) -{ - return mutex->value; -} +extern void fio_mutex_down(struct fio_mutex *); +extern bool fio_mutex_down_trylock(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 *); + +extern int mutex_init_pshared(pthread_mutex_t *); +extern int cond_init_pshared(pthread_cond_t *); +extern int mutex_cond_init_pshared(pthread_mutex_t *, pthread_cond_t *); #endif