usr.sbin/rtadvd/timer_subr.h

   1 /*      $FreeBSD: stable/10/usr.sbin/rtadvd/timer_subr.h 253970 2013-08-05 20:13:02Z hrs $      */
   2 /*      $KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei Exp $   */
   3
   4 /*
   5  * Copyright (C) 1998 WIDE Project.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the project nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #define SSBUFLEN        1024
  34
  35 #define TS_CMP(tsp, usp, cmp)                                           \
  36         (((tsp)->tv_sec == (usp)->tv_sec) ?                             \
  37             ((tsp)->tv_nsec cmp (usp)->tv_nsec) :                       \
  38             ((tsp)->tv_sec cmp (usp)->tv_sec))
  39 #define TS_ADD(tsp, usp, vsp)                                           \
  40         do {                                                            \
  41                 (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;          \
  42                 (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;       \
  43                 if ((vsp)->tv_nsec >= 1000000000L) {                    \
  44                         (vsp)->tv_sec++;                                \
  45                         (vsp)->tv_nsec -= 1000000000L;                  \
  46                 }                                                       \
  47         } while (0)
  48 #define TS_SUB(tsp, usp, vsp)                                           \
  49         do {                                                            \
  50                 (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;          \
  51                 (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;       \
  52                 if ((vsp)->tv_nsec < 0) {                               \
  53                         (vsp)->tv_sec--;                                \
  54                         (vsp)->tv_nsec += 1000000000L;                  \
  55                 }                                                       \
  56         } while (0)
  57
  58 struct timespec *rtadvd_timer_rest(struct rtadvd_timer *);
  59 char            *sec2str(uint32_t, char *buf);