File: mutex.h

package info (click to toggle)
fio 2.1.11-2
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 2,712 kB
  • ctags: 5,643
  • sloc: ansic: 44,396; sh: 1,489; python: 400; makefile: 342
file content (41 lines) | stat: -rw-r--r-- 994 bytes parent folder | download
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
#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_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