X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=54009bae4ae081094172da149814dcea6e4e7eec;hp=c4b0d8edcc3e30e635b42085b095c4bb786d2343;hb=e0f35b53a4d81b6c49549a79185423724af662a7;hpb=f7c9e00eee87dc4eb24fc6e6ad68af38ba2bbe98 diff --git a/mutex.h b/mutex.h index c4b0d8ed..54009bae 100644 --- a/mutex.h +++ b/mutex.h @@ -2,18 +2,46 @@ #define FIO_MUTEX_H #include +#include "lib/types.h" -struct fio_sem { +#define FIO_MUTEX_MAGIC 0x4d555445U +#define FIO_RWLOCK_MAGIC 0x52574c4fU + +struct fio_mutex { pthread_mutex_t lock; pthread_cond_t cond; - unsigned int value; + int value; + int waiters; + int magic; +}; + +struct fio_rwlock { + pthread_rwlock_t lock; + int magic; +}; - int sem_fd; +enum { + FIO_MUTEX_LOCKED = 0, + FIO_MUTEX_UNLOCKED = 1, }; -extern struct fio_sem *fio_sem_init(int); -extern void fio_sem_remove(struct fio_sem *); -extern inline void fio_sem_down(struct fio_sem *); -extern inline void fio_sem_up(struct fio_sem *sem); +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_up(struct fio_mutex *); +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