usr.sbin/rtadvd/timer_subr.h

   1 /*      $FreeBSD$       */
   2 /*      $KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei Exp $   */
   3
   4 /*-
   5  * SPDX-License-Identifier: BSD-3-Clause
   6  *
   7  * Copyright (C) 1998 WIDE Project.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the project nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #define SSBUFLEN        1024
  36
  37 #define TS_CMP(tsp, usp, cmp)                                           \
  38         (((tsp)->tv_sec == (usp)->tv_sec) ?                             \
  39             ((tsp)->tv_nsec cmp (usp)->tv_nsec) :                       \
  40             ((tsp)->tv_sec cmp (usp)->tv_sec))
  41 #define TS_ADD(tsp, usp, vsp)                                           \
  42         do {                                                            \
  43                 (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;          \
  44                 (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;       \
  45                 if ((vsp)->tv_nsec >= 1000000000L) {                    \
  46                         (vsp)->tv_sec++;                                \
  47                         (vsp)->tv_nsec -= 1000000000L;                  \
  48                 }                                                       \
  49         } while (0)
  50 #define TS_SUB(tsp, usp, vsp)                                           \
  51         do {                                                            \
  52                 (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;          \
  53                 (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;       \
  54                 if ((vsp)->tv_nsec < 0) {                               \
  55                         (vsp)->tv_sec--;                                \
  56                         (vsp)->tv_nsec += 1000000000L;                  \
  57                 }                                                       \
  58         } while (0)
  59
  60 struct timespec *rtadvd_timer_rest(struct rtadvd_timer *);
  61 char            *sec2str(uint32_t, char *buf);