66 lines
2.8 KiB
C
66 lines
2.8 KiB
C
/* $NetBSD: timer.h,v 1.7 2011/12/10 19:14:29 roy Exp $ */
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/* $KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei Exp $ */
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/*
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* Copyright (C) 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* a < b */
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#define TIMEVAL_LT(a, b) (((a).tv_sec < (b).tv_sec) ||\
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(((a).tv_sec == (b).tv_sec) && \
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((a).tv_usec < (b).tv_usec)))
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/* a <= b */
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#define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) ||\
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(((a).tv_sec == (b).tv_sec) &&\
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((a).tv_usec <= (b).tv_usec)))
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extern TAILQ_HEAD(rtadvd_timer_head_t, rtadvd_timer) ra_timer;
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struct rtadvd_timer {
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TAILQ_ENTRY(rtadvd_timer) next;
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struct rainfo *rai;
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struct timeval tm;
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struct rtadvd_timer *(*expire) (void *); /* expiration function */
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void *expire_data;
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void (*update) __P((void *, struct timeval *)); /* update function */
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void *update_data;
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};
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void rtadvd_timer_init(void);
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struct rtadvd_timer *rtadvd_add_timer(struct rtadvd_timer *(*) (void *),
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void (*) (void *, struct timeval *), void *, void *);
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void rtadvd_set_timer(struct timeval *, struct rtadvd_timer *);
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void rtadvd_remove_timer(struct rtadvd_timer **);
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struct timeval * rtadvd_check_timer(void);
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struct timeval * rtadvd_timer_rest(struct rtadvd_timer *);
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void TIMEVAL_ADD(struct timeval *, struct timeval *,
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struct timeval *);
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void TIMEVAL_SUB(struct timeval *, struct timeval *,
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struct timeval *);
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