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- #ifndef JIFFIES_H
- #define JIFFIES_H
- /* timer interface */
- /* Parameters used to convert the timespec values: */
- #define HZ 100L
- #define MSEC_PER_SEC 1000L
- #define USEC_PER_MSEC 1000L
- #define NSEC_PER_USEC 1000L
- #define NSEC_PER_MSEC 1000000L
- #define USEC_PER_SEC 1000000L
- #define NSEC_PER_SEC 1000000000L
- #define FSEC_PER_SEC 1000000000000000LL
- #ifndef __ASSEMBLY__
- extern volatile unsigned long jiffies;
- extern unsigned long jiffies_msec();
- extern unsigned long jiffies_half_msec();
- #endif
- #define JIFFIES_CIRCLE 0x7FFFFFF
- #define time_after(a,b) ((long)(b) - (long)(a) < 0)
- #define time_before(a,b) time_after(b,a)
- extern unsigned char jiffies_unit;
- #define msecs_to_jiffies(msec) ((msec)/jiffies_unit)
- #define jiffies_to_msecs(j) ((j)*jiffies_unit)
- #endif
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