| 1 |
786 |
skrzyp |
//==========================================================================
|
| 2 |
|
|
//
|
| 3 |
|
|
// include/sys/time.h
|
| 4 |
|
|
//
|
| 5 |
|
|
//
|
| 6 |
|
|
//
|
| 7 |
|
|
//==========================================================================
|
| 8 |
|
|
// ####BSDALTCOPYRIGHTBEGIN####
|
| 9 |
|
|
// -------------------------------------------
|
| 10 |
|
|
// Portions of this software may have been derived from FreeBSD, OpenBSD,
|
| 11 |
|
|
// or other sources, and if so are covered by the appropriate copyright
|
| 12 |
|
|
// and license included herein.
|
| 13 |
|
|
// -------------------------------------------
|
| 14 |
|
|
// ####BSDALTCOPYRIGHTEND####
|
| 15 |
|
|
//==========================================================================
|
| 16 |
|
|
//#####DESCRIPTIONBEGIN####
|
| 17 |
|
|
//
|
| 18 |
|
|
// Author(s): gthomas
|
| 19 |
|
|
// Contributors: gthomas
|
| 20 |
|
|
// Date: 2000-01-10
|
| 21 |
|
|
// Purpose:
|
| 22 |
|
|
// Description:
|
| 23 |
|
|
//
|
| 24 |
|
|
//
|
| 25 |
|
|
//####DESCRIPTIONEND####
|
| 26 |
|
|
//
|
| 27 |
|
|
//==========================================================================
|
| 28 |
|
|
|
| 29 |
|
|
|
| 30 |
|
|
/* $OpenBSD: time.h,v 1.9 1999/12/06 19:36:42 aaron Exp $ */
|
| 31 |
|
|
/* $NetBSD: time.h,v 1.18 1996/04/23 10:29:33 mycroft Exp $ */
|
| 32 |
|
|
|
| 33 |
|
|
/*
|
| 34 |
|
|
* Copyright (c) 1982, 1986, 1993
|
| 35 |
|
|
* The Regents of the University of California. All rights reserved.
|
| 36 |
|
|
*
|
| 37 |
|
|
* Redistribution and use in source and binary forms, with or without
|
| 38 |
|
|
* modification, are permitted provided that the following conditions
|
| 39 |
|
|
* are met:
|
| 40 |
|
|
* 1. Redistributions of source code must retain the above copyright
|
| 41 |
|
|
* notice, this list of conditions and the following disclaimer.
|
| 42 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
| 43 |
|
|
* notice, this list of conditions and the following disclaimer in the
|
| 44 |
|
|
* documentation and/or other materials provided with the distribution.
|
| 45 |
|
|
* 3. All advertising materials mentioning features or use of this software
|
| 46 |
|
|
* must display the following acknowledgement:
|
| 47 |
|
|
* This product includes software developed by the University of
|
| 48 |
|
|
* California, Berkeley and its contributors.
|
| 49 |
|
|
* 4. Neither the name of the University nor the names of its contributors
|
| 50 |
|
|
* may be used to endorse or promote products derived from this software
|
| 51 |
|
|
* without specific prior written permission.
|
| 52 |
|
|
*
|
| 53 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
| 54 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| 55 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| 56 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
| 57 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
| 58 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
| 59 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
| 60 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
| 61 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
| 62 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 63 |
|
|
* SUCH DAMAGE.
|
| 64 |
|
|
*
|
| 65 |
|
|
* @(#)time.h 8.2 (Berkeley) 7/10/94
|
| 66 |
|
|
*/
|
| 67 |
|
|
|
| 68 |
|
|
#ifndef _SYS_TIME_H_
|
| 69 |
|
|
#define _SYS_TIME_H_
|
| 70 |
|
|
|
| 71 |
|
|
#ifdef __cplusplus
|
| 72 |
|
|
extern "C" {
|
| 73 |
|
|
#endif
|
| 74 |
|
|
|
| 75 |
|
|
#include <sys/types.h>
|
| 76 |
|
|
#include <time.h>
|
| 77 |
|
|
|
| 78 |
|
|
/*
|
| 79 |
|
|
* Structure returned by gettimeofday(2) system call,
|
| 80 |
|
|
* and used in other calls.
|
| 81 |
|
|
*/
|
| 82 |
|
|
struct timeval {
|
| 83 |
|
|
long tv_sec; /* seconds */
|
| 84 |
|
|
long tv_usec; /* and microseconds */
|
| 85 |
|
|
};
|
| 86 |
|
|
|
| 87 |
|
|
|
| 88 |
|
|
#define TIMEVAL_TO_TIMESPEC(tv, ts) { \
|
| 89 |
|
|
(ts)->tv_sec = (tv)->tv_sec; \
|
| 90 |
|
|
(ts)->tv_nsec = (tv)->tv_usec * 1000; \
|
| 91 |
|
|
}
|
| 92 |
|
|
#define TIMESPEC_TO_TIMEVAL(tv, ts) { \
|
| 93 |
|
|
(tv)->tv_sec = (ts)->tv_sec; \
|
| 94 |
|
|
(tv)->tv_usec = (ts)->tv_nsec / 1000; \
|
| 95 |
|
|
}
|
| 96 |
|
|
|
| 97 |
|
|
struct timezone {
|
| 98 |
|
|
int tz_minuteswest; /* minutes west of Greenwich */
|
| 99 |
|
|
int tz_dsttime; /* type of dst correction */
|
| 100 |
|
|
};
|
| 101 |
|
|
|
| 102 |
|
|
#define DST_NONE 0 /* not on dst */
|
| 103 |
|
|
#define DST_USA 1 /* USA style dst */
|
| 104 |
|
|
#define DST_AUST 2 /* Australian style dst */
|
| 105 |
|
|
#define DST_WET 3 /* Western European dst */
|
| 106 |
|
|
#define DST_MET 4 /* Middle European dst */
|
| 107 |
|
|
#define DST_EET 5 /* Eastern European dst */
|
| 108 |
|
|
#define DST_CAN 6 /* Canada */
|
| 109 |
|
|
|
| 110 |
|
|
/* Operations on timevals. */
|
| 111 |
|
|
#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
|
| 112 |
|
|
#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
|
| 113 |
|
|
#define timercmp(tvp, uvp, cmp) \
|
| 114 |
|
|
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
|
| 115 |
|
|
((tvp)->tv_usec cmp (uvp)->tv_usec) : \
|
| 116 |
|
|
((tvp)->tv_sec cmp (uvp)->tv_sec))
|
| 117 |
|
|
#define timeradd(tvp, uvp, vvp) \
|
| 118 |
|
|
do { \
|
| 119 |
|
|
(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
|
| 120 |
|
|
(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
|
| 121 |
|
|
if ((vvp)->tv_usec >= 1000000) { \
|
| 122 |
|
|
(vvp)->tv_sec++; \
|
| 123 |
|
|
(vvp)->tv_usec -= 1000000; \
|
| 124 |
|
|
} \
|
| 125 |
|
|
} while (0)
|
| 126 |
|
|
#define timersub(tvp, uvp, vvp) \
|
| 127 |
|
|
do { \
|
| 128 |
|
|
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
|
| 129 |
|
|
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
|
| 130 |
|
|
if ((vvp)->tv_usec < 0) { \
|
| 131 |
|
|
(vvp)->tv_sec--; \
|
| 132 |
|
|
(vvp)->tv_usec += 1000000; \
|
| 133 |
|
|
} \
|
| 134 |
|
|
} while (0)
|
| 135 |
|
|
|
| 136 |
|
|
/* Operations on timespecs. */
|
| 137 |
|
|
#define timespecclear(tsp) (tsp)->tv_sec = (tsp)->tv_nsec = 0
|
| 138 |
|
|
#define timespecisset(tsp) ((tsp)->tv_sec || (tsp)->tv_nsec)
|
| 139 |
|
|
#define timespeccmp(tsp, usp, cmp) \
|
| 140 |
|
|
(((tsp)->tv_sec == (usp)->tv_sec) ? \
|
| 141 |
|
|
((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
|
| 142 |
|
|
((tsp)->tv_sec cmp (usp)->tv_sec))
|
| 143 |
|
|
#define timespecadd(tsp, usp, vsp) \
|
| 144 |
|
|
do { \
|
| 145 |
|
|
(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
|
| 146 |
|
|
(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
|
| 147 |
|
|
if ((vsp)->tv_nsec >= 1000000000L) { \
|
| 148 |
|
|
(vsp)->tv_sec++; \
|
| 149 |
|
|
(vsp)->tv_nsec -= 1000000000L; \
|
| 150 |
|
|
} \
|
| 151 |
|
|
} while (0)
|
| 152 |
|
|
#define timespecsub(tsp, usp, vsp) \
|
| 153 |
|
|
do { \
|
| 154 |
|
|
(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
|
| 155 |
|
|
(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
|
| 156 |
|
|
if ((vsp)->tv_nsec < 0) { \
|
| 157 |
|
|
(vsp)->tv_sec--; \
|
| 158 |
|
|
(vsp)->tv_nsec += 1000000000L; \
|
| 159 |
|
|
} \
|
| 160 |
|
|
} while (0)
|
| 161 |
|
|
|
| 162 |
|
|
|
| 163 |
|
|
int gettimeofday(struct timeval *, struct timezone *);
|
| 164 |
|
|
|
| 165 |
|
|
#ifdef __cplusplus
|
| 166 |
|
|
}
|
| 167 |
|
|
#endif
|
| 168 |
|
|
|
| 169 |
|
|
|
| 170 |
|
|
#endif
|
