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