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- /*
- * $Header: /ax/networking:include/sys/time.h:networking 1.1 $
- * $Source: /ax/networking:include/sys/time.h: $
- *
- * Copyright (c) 1988 Acorn Computers Ltd., Cambridge, England
- *
- * $Log: time.h,v $
- * Revision 1.1 95/01/11 10:19:59 kwelton
- * Initial revision
- *
- * Revision 1.4 88/10/11 10:26:26 keith
- * Protect <sys/time.h> against multiple inclusion.
- *
- * Revision 1.3 88/06/17 20:21:51 beta
- * Acorn Unix initial beta version
- *
- */
- /* @(#)time.h 1.2 87/05/15 3.2/4.3NFSSRC */
- /*
- * 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
- */
-
- #ifndef __SYS_TIME__
- #define __SYS_TIME__
- /*
- * 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
- #endif /* !__SYS_TIME__ */
-
- /* EOF time.h */
-