1 /* $FreeBSD$ */ 2 /* $KAME: timer.h,v 1.3 2000/05/27 11:30:43 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 /* a < b */ 34 #define TIMEVAL_LT(a, b) (((a).tv_sec < (b).tv_sec) ||\ 35 (((a).tv_sec == (b).tv_sec) && \ 36 ((a).tv_usec < (b).tv_usec))) 37 38 /* a <= b */ 39 #define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) ||\ 40 (((a).tv_sec == (b).tv_sec) &&\ 41 ((a).tv_usec <= (b).tv_usec))) 42 43 struct rtadvd_timer { 44 struct rtadvd_timer *next; 45 struct rtadvd_timer *prev; 46 struct rainfo *rai; 47 struct timeval tm; 48 49 struct rtadvd_timer *(*expire) __P((void *)); /* expiration function */ 50 void *expire_data; 51 void (*update) __P((void *, struct timeval *)); /* update function */ 52 void *update_data; 53 }; 54 55 void rtadvd_timer_init __P((void)); 56 struct rtadvd_timer *rtadvd_add_timer __P((struct rtadvd_timer *(*) __P((void *)), 57 void (*) __P((void *, struct timeval *)), void *, void *)); 58 void rtadvd_set_timer __P((struct timeval *, struct rtadvd_timer *)); 59 void rtadvd_remove_timer __P((struct rtadvd_timer **)); 60 struct timeval * rtadvd_check_timer __P((void)); 61 struct timeval * rtadvd_timer_rest __P((struct rtadvd_timer *)); 62 void TIMEVAL_ADD __P((struct timeval *, struct timeval *, 63 struct timeval *)); 64 void TIMEVAL_SUB __P((struct timeval *, struct timeval *, 65 struct timeval *)); 66