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