#define FIO_MUTEX_H
#include <pthread.h>
+#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 *);
+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