sys/platform/pc32/include/uvparam.h

   1 /*
   2  * Copyright (c) 2003,2004 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@backplane.com>
   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  *
  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
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $DragonFly: src/sys/platform/pc32/include/uvparam.h,v 1.2 2004/07/16 05:48:46 dillon Exp $
  35  */
  36
  37 /*
  38  * This header file contains random parameters that other includes may need
  39  * to make user visible.
  40  */
  41
  42 #ifndef _MACHINE_UVPARAM_H_
  43 #define _MACHINE_UVPARAM_H_
  44
  45 /*
  46  * Frequencies of the clock ticks reported by clock() and times().  They
  47  * are the same as stathz for bogus historical reasons.  They should be
  48  * 1e6 because clock() and times() are implemented using getrusage() and
  49  * there is no good reason why they should be less accurate.  There is
  50  * the bad reason that (broken) programs might not like clock_t or
  51  * CLOCKS_PER_SEC being ``double'' (``unsigned long'' is not large enough
  52  * to hold the required 24 hours worth of ticks if the frequency is
  53  * 1000000ul, and ``unsigned long long'' would be nonstandard).
  54  */
  55 #define _BSD_CLK_TCK_           128
  56 #define _BSD_CLOCKS_PER_SEC_    128
  57
  58 #endif
  59