forked from axboe/fio
-
Notifications
You must be signed in to change notification settings - Fork 0
/
mutex.h
42 lines (34 loc) · 1.02 KB
/
mutex.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#ifndef FIO_MUTEX_H
#define FIO_MUTEX_H
#include <pthread.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;
};
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_up(struct fio_mutex *);
extern void fio_mutex_down(struct fio_mutex *);
extern int 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 *);
#endif