NetBSD/usr.sbin/rtadvd/timer.h

65 lines
2.7 KiB
C

/* $NetBSD: timer.h,v 1.3 2000/05/23 11:37:59 itojun Exp $ */
/* $KAME: timer.h,v 1.2 2000/05/16 13:34:14 itojun Exp $ */
/*
* Copyright (C) 1998 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)))
struct rtadvd_timer {
struct rtadvd_timer *next;
struct rtadvd_timer *prev;
struct rainfo *rai;
struct timeval tm;
void (*expire) __P((void *)); /* expiration function */
void *expire_data;
void (*update) __P((void *, struct timeval *)); /* update function */
void *update_data;
};
void rtadvd_timer_init __P((void));
struct rtadvd_timer *rtadvd_add_timer __P((void (*) __P((void *)),
void (*) __P((void *, struct timeval *)), void *, void *));
void rtadvd_set_timer __P((struct timeval *, struct rtadvd_timer *));
struct timeval * rtadvd_check_timer __P((void));
struct timeval * rtadvd_timer_rest __P((struct rtadvd_timer *));
void TIMEVAL_ADD __P((struct timeval *, struct timeval *,
struct timeval *));
void TIMEVAL_SUB __P((struct timeval *, struct timeval *,
struct timeval *));