gprof/hertz.h

/* Copyright (C) 2012-2021 Free Software Foundation, Inc.

   This file is part of GNU Binutils.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#ifndef hertz_h
#define hertz_h

#define	HZ_WRONG 0		/* impossible clock frequency */

/*
 * Discover the tick frequency of the machine if something goes wrong,
 * we return HZ_WRONG, an impossible sampling frequency.
 */

extern int hertz (void);

#endif /* hertz_h */