usr.sbin/rtadvd/timer_subr.h

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