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 *	@(#)time.h	8.5 (Berkeley) 5/4/95
32 * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
33 */
34
35#ifndef _SYS_TIMESPEC_H_
36#define _SYS_TIMESPEC_H_
37
38#include <sys/cdefs.h>
39#include <sys/_timespec.h>
40
41#if __BSD_VISIBLE
42#define	TIMEVAL_TO_TIMESPEC(tv, ts)					\
43	do {								\
44		(ts)->tv_sec = (tv)->tv_sec;				\
45		(ts)->tv_nsec = (tv)->tv_usec * 1000;			\
46	} while (0)
47#define	TIMESPEC_TO_TIMEVAL(tv, ts)					\
48	do {								\
49		(tv)->tv_sec = (ts)->tv_sec;				\
50		(tv)->tv_usec = (ts)->tv_nsec / 1000;			\
51	} while (0)
52
53#endif /* __BSD_VISIBLE */
54
55/*
56 * Structure defined by POSIX.1b to be like a itimerval, but with
57 * timespecs. Used in the timer_*() system calls.
58 */
59struct itimerspec {
60	struct timespec  it_interval;
61	struct timespec  it_value;
62};
63
64#endif /* _SYS_TIMESPEC_H_ */