X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.h;h=54009bae4ae081094172da149814dcea6e4e7eec;hp=85f5f69cee0724069d60d72d9761e2cfc19efccd;hb=861e3790be5f1e22b16e827b142147e530205441;hpb=cdd18ad87ed9a3639b76c41cfc9682ad7cce652e diff --git a/mutex.h b/mutex.h index 85f5f69c..54009bae 100644 --- a/mutex.h +++ b/mutex.h @@ -2,18 +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; - unsigned int value; + 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 inline void fio_mutex_down(struct fio_mutex *); -extern inline void fio_mutex_up(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