/* -*- c++ -*- *//* * Copyright 2003 Free Software Foundation, Inc. *  * This file is part of GNU Radio *  * GNU Radio 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 2, or (at your option) * any later version. *  * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */#include "time_stuff.h"#include <sys/time.h>#include <sys/resource.h>#include <unistd.h>static doubletimeval_to_secs (struct timeval *tv){  return (double) tv->tv_sec + (double) tv->tv_usec * 1e-6;}doubleget_cpu_usage (void){  struct rusage	ru;  if (getrusage (RUSAGE_SELF, &ru) != 0)    return 0;  return timeval_to_secs (&ru.ru_utime) + timeval_to_secs (&ru.ru_stime);}/* * return elapsed time (wall time) in seconds */doubleget_elapsed_time (void){  struct timeval	tv;  if (gettimeofday (&tv, 0) != 0)    return 0;  return timeval_to_secs (&tv);}