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 */
56struct itimerspec {
57 struct timespec it_interval;
58 struct timespec it_value;
59};
60
61#endif /* _SYS_TIMESPEC_H_ */