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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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src
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machserver
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1.098
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include
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sys
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time.h
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C/C++ Source or Header
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1991-06-10
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2KB
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75 lines
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)time.h 7.1 (Berkeley) 6/4/86
* $Header: /sprite/src/lib/include/sys/RCS/time.h,v 1.5 91/06/10 17:21:45 kupfer Exp $
*/
#ifndef _SYSTIME
#define _SYSTIME
#include <cfuncproto.h>
/*
* Structure returned by gettimeofday(2) system call,
* and used in other calls.
*/
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
};
#define DST_NONE 0 /* not on dst */
#define DST_USA 1 /* USA style dst */
#define DST_AUST 2 /* Australian style dst */
#define DST_WET 3 /* Western European dst */
#define DST_MET 4 /* Middle European dst */
#define DST_EET 5 /* Eastern European dst */
#define DST_CAN 6 /* Canada */
/*
* Operations on timevals.
*
* NB: timercmp does not work for >= or <=.
*/
#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
#define timercmp(tvp, uvp, cmp) \
((tvp)->tv_sec cmp (uvp)->tv_sec || \
(tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
/*
* Names of the interval timers, and structure
* defining a timer setting.
*/
#define ITIMER_REAL 0
#define ITIMER_VIRTUAL 1
#define ITIMER_PROF 2
struct itimerval {
struct timeval it_interval; /* timer interval */
struct timeval it_value; /* current value */
};
#ifndef KERNEL
#include <time.h>
#endif
_EXTERN int getitimer _ARGS_((int timer, struct itimerval *valuePtr));
_EXTERN int gettimeofday _ARGS_ ((struct timeval *tvPtr,
struct timezone *tzPtr));
_EXTERN int settimeofday _ARGS_ ((_CONST struct timeval *tvPtr,
_CONST struct timezone *tzPtr));
_EXTERN int setitimer _ARGS_((int timer, _CONST struct itimerval *newPtr,
struct itimerval *oldPtr));
_EXTERN int utimes _ARGS_((_CONST char *file,
_CONST struct timeval *tvPtr));
#endif /* _SYSTIME */