sysdeps/mach/hurd/getclktck.c

   1 /* Return run-time value of CLK_TCK for Hurd.
   2    Copyright (C) 1999-2016 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <time.h>
  20
  21 /* Return frequency of `times'.
  22    Since Mach reports CPU times in microseconds, we always use 1 million.  */
  23 int
  24 __getclktck (void)
  25 {
  26   return 1000000;
  27 }
  28
  29 /* Before glibc 2.2, the Hurd actually did this differently, so we
  30    need to keep a compatibility symbol.  */
  31
  32 #include <shlib-compat.h>
  33
  34 #if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_2)
  35 compat_symbol (libc, __getclktck, __libc_clk_tck, GLIBC_2_1_1);
  36 #endif