1 /*- 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)time.h 8.5 (Berkeley) 5/4/95 30 * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp 31 * $FreeBSD$ 32 */ 33 34 #ifndef _SYS_TIMESPEC_H_ 35 #define _SYS_TIMESPEC_H_ 36 37 #include <sys/cdefs.h> 38 #include <sys/_timespec.h> 39 40 #if __BSD_VISIBLE 41 #define TIMEVAL_TO_TIMESPEC(tv, ts) \ 42 do { \ 43 (ts)->tv_sec = (tv)->tv_sec; \ 44 (ts)->tv_nsec = (tv)->tv_usec * 1000; \ 45 } while (0) 46 #define TIMESPEC_TO_TIMEVAL(tv, ts) \ 47 do { \ 48 (tv)->tv_sec = (ts)->tv_sec; \ 49 (tv)->tv_usec = (ts)->tv_nsec / 1000; \ 50 } while (0) 51 52 #endif /* __BSD_VISIBLE */ 53 54 /* 55 * Structure defined by POSIX.1b to be like a itimerval, but with 56 * timespecs. Used in the timer_*() system calls. 57 */ 58 struct itimerspec { 59 struct timespec it_interval; 60 struct timespec it_value; 61 }; 62 63 #endif /* _SYS_TIMESPEC_H_ */ 64