66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
/* $FreeBSD$ */
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)time.h 8.5 (Berkeley) 5/4/95
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*/
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#ifndef _LIBNETBSD_SYS_TIME_H_
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#define _LIBNETBSD_SYS_TIME_H_
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#include_next <sys/time.h>
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/* Operations on timespecs. */
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#define timespecclear(tsp) (tsp)->tv_sec = (time_t)((tsp)->tv_nsec = 0L)
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#define timespecisset(tsp) ((tsp)->tv_sec || (tsp)->tv_nsec)
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#define timespeccmp(tsp, usp, cmp) \
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(((tsp)->tv_sec == (usp)->tv_sec) ? \
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((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
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((tsp)->tv_sec cmp (usp)->tv_sec))
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#define timespecadd(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
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if ((vsp)->tv_nsec >= 1000000000L) { \
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(vsp)->tv_sec++; \
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(vsp)->tv_nsec -= 1000000000L; \
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} \
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} while (/* CONSTCOND */ 0)
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#define timespecsub(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
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if ((vsp)->tv_nsec < 0) { \
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(vsp)->tv_sec--; \
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(vsp)->tv_nsec += 1000000000L; \
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} \
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} while (/* CONSTCOND */ 0)
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#endif
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