xref: /freebsd/usr.sbin/rtadvd/timer_subr.h (revision f05cddf9)
1 /*	$FreeBSD$	*/
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 
52 struct timeval	*rtadvd_timer_rest(struct rtadvd_timer *);
53 void		TIMEVAL_ADD(struct timeval *, struct timeval *,
54 		    struct timeval *);
55 void		TIMEVAL_SUB(struct timeval *, struct timeval *,
56 		    struct timeval *);
57 char		*sec2str(uint32_t, char *buf);
58