NetBSD/usr.sbin/rtadvd/timer.h
roy 4d6bb52603 Add RDNSS and DNSSL support, RFC6106.
Replace custom lists with TAILQ lists.
Clean up plently of signed vs unsigned warnings and set WARNS=4.

Adapted from FreeBSD.
2011-12-10 19:14:29 +00:00

66 lines
2.8 KiB
C

/* $NetBSD: timer.h,v 1.7 2011/12/10 19:14:29 roy Exp $ */
/* $KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei 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)))
extern TAILQ_HEAD(rtadvd_timer_head_t, rtadvd_timer) ra_timer;
struct rtadvd_timer {
TAILQ_ENTRY(rtadvd_timer) next;
struct rainfo *rai;
struct timeval tm;
struct rtadvd_timer *(*expire) (void *); /* expiration function */
void *expire_data;
void (*update) __P((void *, struct timeval *)); /* update function */
void *update_data;
};
void rtadvd_timer_init(void);
struct rtadvd_timer *rtadvd_add_timer(struct rtadvd_timer *(*) (void *),
void (*) (void *, struct timeval *), void *, void *);
void rtadvd_set_timer(struct timeval *, struct rtadvd_timer *);
void rtadvd_remove_timer(struct rtadvd_timer **);
struct timeval * rtadvd_check_timer(void);
struct timeval * rtadvd_timer_rest(struct rtadvd_timer *);
void TIMEVAL_ADD(struct timeval *, struct timeval *,
struct timeval *);
void TIMEVAL_SUB(struct timeval *, struct timeval *,
struct timeval *);