/*	$KAME: timer.h,v 1.1 2002/05/16 06:04:08 jinmei Exp $	*//* * Copyright (C) 2002 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. *//* a < b */#define TIMEVAL_LT(a, b) (((a).tv_sec < (b).tv_sec) ||\			  (((a).tv_sec == (b).tv_sec) && \			    ((a).tv_usec < (b).tv_usec)))/* a <= b */#define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) ||\			   (((a).tv_sec == (b).tv_sec) &&\ 			    ((a).tv_usec <= (b).tv_usec)))/* a == b */#define TIMEVAL_EQUAL(a, b) ((a).tv_sec == (b).tv_sec &&\			     (a).tv_usec == (b).tv_usec)struct dhcp6_timer {	LIST_ENTRY(dhcp6_timer) link;	struct timeval tm;	struct dhcp6_timer *(*expire) __P((void *));	void *expire_data;};void dhcp6_timer_init __P((void));struct dhcp6_timer *dhcp6_add_timer __P((struct dhcp6_timer *(*) __P((void *)),					 void *));void dhcp6_set_timer __P((struct timeval *, struct dhcp6_timer *));void dhcp6_remove_timer __P((struct dhcp6_timer **));struct timeval * dhcp6_check_timer __P((void));struct timeval * dhcp6_timer_rest __P((struct dhcp6_timer *));void timeval_sub __P((struct timeval *, struct timeval *,			     struct timeval *));