rtadvd.tproj/timer.h

   1 /*      $KAME: timer.h,v 1.3 2000/05/27 11:30:43 jinmei Exp $   */
   2
   3 /*
   4  * Copyright (C) 1998 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  * $FreeBSD: src/usr.sbin/rtadvd/timer.h,v 1.1.2.2 2001/07/03 11:02:14 ume Exp $
  32  */
  33
  34 /* a < b */
  35 #define TIMEVAL_LT(a, b) (((a).tv_sec < (b).tv_sec) ||\
  36                           (((a).tv_sec == (b).tv_sec) && \
  37                             ((a).tv_usec < (b).tv_usec)))
  38
  39 /* a <= b */
  40 #define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) ||\
  41                            (((a).tv_sec == (b).tv_sec) &&\
  42                             ((a).tv_usec <= (b).tv_usec)))
  43
  44 struct rtadvd_timer {
  45         struct rtadvd_timer *next;
  46         struct rtadvd_timer *prev;
  47         struct rainfo *rai;
  48         struct timeval tm;
  49
  50         void (*expire) __P((void *));   /* expiration function */
  51         void *expire_data;
  52         void (*update) __P((void *, struct timeval *)); /* update function */
  53         void *update_data;
  54 };
  55
  56 void rtadvd_timer_init __P((void));
  57 struct rtadvd_timer *rtadvd_add_timer __P((void (*) __P((void *)),
  58                 void (*) __P((void *, struct timeval *)), void *, void *));
  59 void rtadvd_set_timer __P((struct timeval *, struct rtadvd_timer *));
  60 void rtadvd_remove_timer __P((struct rtadvd_timer **));
  61 struct timeval * rtadvd_check_timer __P((void));
  62 struct timeval * rtadvd_timer_rest __P((struct rtadvd_timer *));
  63 void TIMEVAL_ADD __P((struct timeval *, struct timeval *,
  64                       struct timeval *));
  65 void TIMEVAL_SUB __P((struct timeval *, struct timeval *,
  66                       struct timeval *));