File: mutex.h

package info (click to toggle)
fio 1.38-1
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 1,108 kB
  • ctags: 2,240
  • sloc: ansic: 17,668; makefile: 98; sh: 55
file content (35 lines) | stat: -rw-r--r-- 825 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
#ifndef FIO_MUTEX_H
#define FIO_MUTEX_H

#include <pthread.h>

struct fio_mutex {
	pthread_mutex_t lock;
	pthread_cond_t cond;
	int value;
	int waiters;

	int mutex_fd;
};

extern struct fio_mutex *fio_mutex_init(int);
extern void fio_mutex_remove(struct fio_mutex *);
extern void fio_mutex_down(struct fio_mutex *);
extern int fio_mutex_down_timeout(struct fio_mutex *, unsigned int);
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 *);

static inline struct fio_mutex *fio_mutex_rw_init(void)
{
	return fio_mutex_init(0);
}

static inline int fio_mutex_getval(struct fio_mutex *mutex)
{
	return mutex->value;
}

#endif