1/* $Id: timer.h,v 1.1.1.1 2006/12/04 00:45:30 Exp $ */ 2/* ported from KAME: timer.h,v 1.1 2002/05/16 06:04:08 jinmei Exp */ 3 4/* 5 * Copyright (C) 2002 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/* a <= b */ 38#define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) ||\ 39 (((a).tv_sec == (b).tv_sec) &&\ 40 ((a).tv_usec <= (b).tv_usec))) 41/* a == b */ 42#define TIMEVAL_EQUAL(a, b) ((a).tv_sec == (b).tv_sec &&\ 43 (a).tv_usec == (b).tv_usec) 44 45#define MARK_CLEAR 0x00 46#define MARK_REMOVE 0x01 47 48struct dhcp6_timer { 49 LIST_ENTRY(dhcp6_timer) link; 50 51 struct timeval tm; 52 int flag; 53 54 struct dhcp6_timer *(*expire) __P((void *)); 55 void *expire_data; 56}; 57 58void dhcp6_timer_init __P((void)); 59struct dhcp6_timer *dhcp6_add_timer __P((struct dhcp6_timer *(*) __P((void *)), 60 void *)); 61void dhcp6_set_timer __P((struct timeval *, struct dhcp6_timer *)); 62void dhcp6_remove_timer __P((struct dhcp6_timer *)); 63struct timeval * dhcp6_check_timer __P((void)); 64struct timeval * dhcp6_timer_rest __P((struct dhcp6_timer *)); 65 66void timeval_sub __P((struct timeval *, struct timeval *, 67 struct timeval *)); 68