Annotation of embedaddon/libevent/compat/sys/_libevent_time.h, revision 1.1
1.1 ! misho 1: /* $OpenBSD: time.h,v 1.11 2000/10/10 13:36:48 itojun Exp $ */
! 2: /* $NetBSD: time.h,v 1.18 1996/04/23 10:29:33 mycroft Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1982, 1986, 1993
! 6: * The Regents of the University of California. All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. Neither the name of the University nor the names of its contributors
! 17: * may be used to endorse or promote products derived from this software
! 18: * without specific prior written permission.
! 19: *
! 20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 30: * SUCH DAMAGE.
! 31: *
! 32: * @(#)time.h 8.2 (Berkeley) 7/10/94
! 33: */
! 34:
! 35: #ifndef _SYS_TIME_H_
! 36: #define _SYS_TIME_H_
! 37:
! 38: #include <sys/types.h>
! 39:
! 40: /*
! 41: * Structure returned by gettimeofday(2) system call,
! 42: * and used in other calls.
! 43: */
! 44: struct timeval {
! 45: long tv_sec; /* seconds */
! 46: long tv_usec; /* and microseconds */
! 47: };
! 48:
! 49: /*
! 50: * Structure defined by POSIX.1b to be like a timeval.
! 51: */
! 52: struct timespec {
! 53: time_t tv_sec; /* seconds */
! 54: long tv_nsec; /* and nanoseconds */
! 55: };
! 56:
! 57: #define TIMEVAL_TO_TIMESPEC(tv, ts) { \
! 58: (ts)->tv_sec = (tv)->tv_sec; \
! 59: (ts)->tv_nsec = (tv)->tv_usec * 1000; \
! 60: }
! 61: #define TIMESPEC_TO_TIMEVAL(tv, ts) { \
! 62: (tv)->tv_sec = (ts)->tv_sec; \
! 63: (tv)->tv_usec = (ts)->tv_nsec / 1000; \
! 64: }
! 65:
! 66: struct timezone {
! 67: int tz_minuteswest; /* minutes west of Greenwich */
! 68: int tz_dsttime; /* type of dst correction */
! 69: };
! 70: #define DST_NONE 0 /* not on dst */
! 71: #define DST_USA 1 /* USA style dst */
! 72: #define DST_AUST 2 /* Australian style dst */
! 73: #define DST_WET 3 /* Western European dst */
! 74: #define DST_MET 4 /* Middle European dst */
! 75: #define DST_EET 5 /* Eastern European dst */
! 76: #define DST_CAN 6 /* Canada */
! 77:
! 78: /* Operations on timevals. */
! 79: #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
! 80: #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
! 81: #define timercmp(tvp, uvp, cmp) \
! 82: (((tvp)->tv_sec == (uvp)->tv_sec) ? \
! 83: ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
! 84: ((tvp)->tv_sec cmp (uvp)->tv_sec))
! 85: #define timeradd(tvp, uvp, vvp) \
! 86: do { \
! 87: (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
! 88: (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
! 89: if ((vvp)->tv_usec >= 1000000) { \
! 90: (vvp)->tv_sec++; \
! 91: (vvp)->tv_usec -= 1000000; \
! 92: } \
! 93: } while (0)
! 94: #define timersub(tvp, uvp, vvp) \
! 95: do { \
! 96: (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
! 97: (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
! 98: if ((vvp)->tv_usec < 0) { \
! 99: (vvp)->tv_sec--; \
! 100: (vvp)->tv_usec += 1000000; \
! 101: } \
! 102: } while (0)
! 103:
! 104: /* Operations on timespecs. */
! 105: #define timespecclear(tsp) (tsp)->tv_sec = (tsp)->tv_nsec = 0
! 106: #define timespecisset(tsp) ((tsp)->tv_sec || (tsp)->tv_nsec)
! 107: #define timespeccmp(tsp, usp, cmp) \
! 108: (((tsp)->tv_sec == (usp)->tv_sec) ? \
! 109: ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
! 110: ((tsp)->tv_sec cmp (usp)->tv_sec))
! 111: #define timespecadd(tsp, usp, vsp) \
! 112: do { \
! 113: (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
! 114: (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
! 115: if ((vsp)->tv_nsec >= 1000000000L) { \
! 116: (vsp)->tv_sec++; \
! 117: (vsp)->tv_nsec -= 1000000000L; \
! 118: } \
! 119: } while (0)
! 120: #define timespecsub(tsp, usp, vsp) \
! 121: do { \
! 122: (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
! 123: (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
! 124: if ((vsp)->tv_nsec < 0) { \
! 125: (vsp)->tv_sec--; \
! 126: (vsp)->tv_nsec += 1000000000L; \
! 127: } \
! 128: } while (0)
! 129:
! 130: /*
! 131: * Names of the interval timers, and structure
! 132: * defining a timer setting.
! 133: */
! 134: #define ITIMER_REAL 0
! 135: #define ITIMER_VIRTUAL 1
! 136: #define ITIMER_PROF 2
! 137:
! 138: struct itimerval {
! 139: struct timeval it_interval; /* timer interval */
! 140: struct timeval it_value; /* current value */
! 141: };
! 142:
! 143: /*
! 144: * Getkerninfo clock information structure
! 145: */
! 146: struct clockinfo {
! 147: int hz; /* clock frequency */
! 148: int tick; /* micro-seconds per hz tick */
! 149: int tickadj; /* clock skew rate for adjtime() */
! 150: int stathz; /* statistics clock frequency */
! 151: int profhz; /* profiling clock frequency */
! 152: };
! 153:
! 154: #define CLOCK_REALTIME 0
! 155: #define CLOCK_VIRTUAL 1
! 156: #define CLOCK_PROF 2
! 157:
! 158: #define TIMER_RELTIME 0x0 /* relative timer */
! 159: #define TIMER_ABSTIME 0x1 /* absolute timer */
! 160:
! 161: /* --- stuff got cut here - niels --- */
! 162:
! 163: #endif /* !_SYS_TIME_H_ */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to _libevent_time.h CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / libevent / compat / sys