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- /* @(#)time.h 2.9 87/01/17 SMI; from UCB 7.1 6/4/86 */
-
- /*
- Definitions of various structures used on UNIX for
- time-related syscalls.
- */
-
- /*
- * 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.
- */
-
- #ifndef _UNIX_TIME_
- #define _UNIX_TIME_
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /*
- * Structure returned by gettimeofday(2) system call,
- * and used in other calls.
- */
- #ifndef __DECC
- struct timeval
- {
- long tv_sec; /* seconds */
- long tv_usec; /* and microseconds */
- };
- #else
- #if (__DECC_VER < 50200000) && (__VMS_VER < 70000000)
- struct timeval
- {
- long tv_sec; /* seconds */
- long tv_usec; /* and microseconds */
- };
- #endif /* __DECC_VER */
- #endif /* __DECC */
- 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 */
- #define DST_GB 7 /* Great Britain and Eire */
- #define DST_RUM 8 /* Rumania */
- #define DST_TUR 9 /* Turkey */
- #define DST_AUSTALT 10 /* Australian style with shift in 1986 */
-
- /*
- * 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
-
- #ifndef __DECC
- struct itimerval
- {
- struct timeval it_interval; /* timer interval */
- struct timeval it_value; /* current value */
- };
- #else
- #if (__DECC_VER < 50200000) && (__VMS_VER < 70000000)
- struct itimerval
- {
- struct timeval it_interval; /* timer interval */
- struct timeval it_value; /* current value */
- };
- #endif /* __DECC_VER */
- #endif /* __DECC */
-
- #ifndef KERNEL
- #include <time.h>
- #endif
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /*!_UNIX_TIME_*/
-
-