1 /* $KAME: timer.h,v 1.3 2000/05/27 11:30:43 jinmei Exp $ */ 2 3 /* 4 * Copyright (C) 1998 WIDE Project. 5 * 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 project 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 PROJECT 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 PROJECT 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 * $FreeBSD: src/usr.sbin/rtadvd/timer.h,v 1.1.2.3 2002/06/29 18:59:53 ume Exp $ 32 * $DragonFly: src/usr.sbin/rtadvd/timer.h,v 1.3 2003/11/03 19:31:42 eirikn Exp $ 33 */ 34 35 /* a < b */ 36 #define TIMEVAL_LT(a, b) (((a).tv_sec < (b).tv_sec) ||\ 37 (((a).tv_sec == (b).tv_sec) && \ 38 ((a).tv_usec < (b).tv_usec))) 39 40 /* a <= b */ 41 #define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) ||\ 42 (((a).tv_sec == (b).tv_sec) &&\ 43 ((a).tv_usec <= (b).tv_usec))) 44 45 struct rtadvd_timer { 46 struct rtadvd_timer *next; 47 struct rtadvd_timer *prev; 48 struct rainfo *rai; 49 struct timeval tm; 50 51 struct rtadvd_timer *(*expire)(void *); /* expiration function */ 52 void *expire_data; 53 void (*update)(void *, struct timeval *); /* update function */ 54 void *update_data; 55 }; 56 57 void rtadvd_timer_init(void); 58 struct rtadvd_timer *rtadvd_add_timer(struct rtadvd_timer *(*)(void *), 59 void (*)(void *, struct timeval *), void *, void *); 60 void rtadvd_set_timer(struct timeval *, struct rtadvd_timer *); 61 void rtadvd_remove_timer(struct rtadvd_timer **); 62 struct timeval * rtadvd_check_timer(void); 63 struct timeval * rtadvd_timer_rest(struct rtadvd_timer *); 64 void TIMEVAL_ADD(struct timeval *, struct timeval *, 65 struct timeval *); 66 void TIMEVAL_SUB(struct timeval *, struct timeval *, 67 struct timeval *); 68