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  1. /*-
  2.  * Copyright (c) 1982, 1986, 1993
  3.  *      The Regents of the University of California.  All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  * 1. Redistributions of source code must retain the above copyright
  9.  *    notice, this list of conditions and the following disclaimer.
  10.  * 2. Redistributions in binary form must reproduce the above copyright
  11.  *    notice, this list of conditions and the following disclaimer in the
  12.  *    documentation and/or other materials provided with the distribution.
  13.  * 4. Neither the name of the University nor the names of its contributors
  14.  *    may be used to endorse or promote products derived from this software
  15.  *    without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27.  * SUCH DAMAGE.
  28.  *
  29.  *      @(#)time.h      8.5 (Berkeley) 5/4/95
  30.  * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
  31.  *      $FreeBSD$
  32.  */
  33.  
  34. #ifndef _SYS_TIMESPEC_H_
  35. #define _SYS_TIMESPEC_H_
  36.  
  37. #include <sys/cdefs.h>
  38. #include <sys/_timespec.h>
  39.  
  40. #if __BSD_VISIBLE
  41. #define TIMEVAL_TO_TIMESPEC(tv, ts)                                     \
  42.         do {                                                            \
  43.                 (ts)->tv_sec = (tv)->tv_sec;                            \
  44.                 (ts)->tv_nsec = (tv)->tv_usec * 1000;                   \
  45.         } while (0)
  46. #define TIMESPEC_TO_TIMEVAL(tv, ts)                                     \
  47.         do {                                                            \
  48.                 (tv)->tv_sec = (ts)->tv_sec;                            \
  49.                 (tv)->tv_usec = (ts)->tv_nsec / 1000;                   \
  50.         } while (0)
  51.  
  52. #endif /* __BSD_VISIBLE */
  53.  
  54. /*
  55.  * Structure defined by POSIX.1b to be like a itimerval, but with
  56.  * timespecs. Used in the timer_*() system calls.
  57.  */
  58. struct itimerspec {
  59.         struct timespec  it_interval;
  60.         struct timespec  it_value;
  61. };
  62.  
  63. #endif /* _SYS_TIMESPEC_H_ */
  64.