1/*
2 * Copyright 2020-2022, Haiku, Inc. All rights reserved.
3 * Distributed under the terms of the MIT License.
4 */
5/*-
6 * SPDX-License-Identifier: BSD-3-Clause
7 *
8 * Copyright (c) 1982, 1986, 1993
9 *	The Regents of the University of California.  All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)time.h	8.5 (Berkeley) 5/4/95
36 * $FreeBSD$
37 */
38#ifndef _FBSD_COMPAT_SYS_TIME_H_
39#define _FBSD_COMPAT_SYS_TIME_H_
40
41
42#include <posix/sys/time.h>
43
44#include <sys/_timeval.h>
45#include <sys/types.h>
46
47
48#define TICKS_2_USEC(t) ((1000000*(bigtime_t)t) / hz)
49#define USEC_2_TICKS(t) (((bigtime_t)t*hz) / 1000000)
50
51#define TICKS_2_MSEC(t) ((1000*(bigtime_t)t) / hz)
52#define MSEC_2_TICKS(t) (((bigtime_t)t*hz) / 1000)
53
54#define time_uptime		(system_time()/(1000*1000))
55
56
57/* Operations on timevals. */
58#define	timevalclear(tvp)		((tvp)->tv_sec = (tvp)->tv_usec = 0)
59#define	timevalisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
60#define	timevalcmp(tvp, uvp, cmp)					\
61	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
62		((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
63		((tvp)->tv_sec cmp (uvp)->tv_sec))
64
65
66void	getmicrouptime(struct timeval *tvp);
67
68int	ppsratecheck(struct timeval *, int *, int);
69int	ratecheck(struct timeval *, const struct timeval *);
70void	timevaladd(struct timeval *t1, const struct timeval *t2);
71void	timevalsub(struct timeval *t1, const struct timeval *t2);
72
73
74#endif /* _FBSD_COMPAT_SYS_TIME_H_ */
75