glibc/sysdeps/unix/sysv/linux/getclktck.c

/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <time.h>

#include <ldsodefs.h>

#ifndef SYSTEM_CLK_TCK
# define SYSTEM_CLK_TCK	100
#endif

/* Return frequency of times().  */
int
__getclktck (void)
{
  return GLRO(dl_clktck) ?: SYSTEM_CLK_TCK;
}