jiffies.h revision 1.3 
1/* Public domain. */
2
3#ifndef _LINUX_JIFFIES_H
4#define _LINUX_JIFFIES_H
5
6#include <sys/types.h>
7#include <sys/param.h>
8#include <sys/time.h>
9#include <sys/limits.h>
10#include <sys/kernel.h>
11
12extern volatile unsigned long jiffies;
13#define jiffies_64 jiffies /* XXX */
14#undef HZ
15#define HZ	hz
16
17#define MAX_JIFFY_OFFSET	((INT_MAX >> 1) - 1)
18
19#define time_in_range(x, min, max) ((x) >= (min) && (x) <= (max))
20
21#define jiffies_to_msecs(x)	(((uint64_t)(x)) * 1000 / hz)
22#define jiffies_to_usecs(x)	(((uint64_t)(x)) * 1000000 / hz)
23#define msecs_to_jiffies(x)	(((uint64_t)(x)) * hz / 1000)
24#define usecs_to_jiffies(x)	(((uint64_t)(x)) * hz / 1000000)
25#define nsecs_to_jiffies(x)	(((uint64_t)(x)) * hz / 1000000000)
26#define nsecs_to_jiffies64(x)	(((uint64_t)(x)) * hz / 1000000000)
27#define get_jiffies_64()	jiffies
28#define time_after(a,b)		((long)(b) - (long)(a) < 0)
29#define time_after32(a,b)	((int32_t)((uint32_t)(b) - (uint32_t)(a)) < 0)
30#define time_after_eq(a,b)	((long)(b) - (long)(a) <= 0)
31#define time_before(a,b)	((long)(a) - (long)(b) < 0)
32
33#endif
34