timer_subr.h revision 224144 
1/*	$FreeBSD: head/usr.sbin/rtadvd/timer_subr.h 224144 2011-07-17 19:24:54Z hrs $	*/
2/*	$KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei Exp $	*/
3
4/*
5 * Copyright (C) 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#define	SSBUFLEN	1024
34#define MILLION 1000000
35
36/* a < b */
37#define	TIMEVAL_LT(a, b)				\
38		(((a)->tv_sec < (b)->tv_sec) ||		\
39		    (((a)->tv_sec == (b)->tv_sec) &&	\
40		    ((a)->tv_usec < (b)->tv_usec)))
41
42/* a <= b */
43#define	TIMEVAL_LEQ(a, b)				\
44		(((a)->tv_sec < (b)->tv_sec) ||		\
45		    (((a)->tv_sec == (b)->tv_sec) &&	\
46		    ((a)->tv_usec <= (b)->tv_usec)))
47
48#define	TIMEVAL_EQUAL(a,b)				\
49		(((a)->tv_sec == (b)->tv_sec) &&	\
50		    ((a)->tv_usec == (b)->tv_usec))
51
52struct timeval	*rtadvd_timer_rest(struct rtadvd_timer *);
53void		TIMEVAL_ADD(struct timeval *, struct timeval *,
54		    struct timeval *);
55void		TIMEVAL_SUB(struct timeval *, struct timeval *,
56		    struct timeval *);
57char		*sec2str(uint32_t, char *buf);
58