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Sourcecode: wavemon version File versions  Download package

timer.c

/*
 * wavemon - a wireless network monitoring aplication
 *
 * Copyright (c) 2001-2002 Jan Morgenstern <jan@jm-music.de>
 *
 * wavemon 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.
 * 
 * wavemon 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 wavemon; see the file COPYING.  If not, write to the Free Software 
 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include <sys/time.h>
#include <unistd.h>

#include "timer.h"

void start_timer(struct timer *t, unsigned long duration)
{
      struct timeval tv;
      struct timezone tz;
      
      gettimeofday(&tv, &tz);
      
      t->stime = tv.tv_sec * 1000000 + tv.tv_usec;
      t->duration = duration;
}

int end_timer(struct timer *t)
{
      struct timeval tv;
      struct timezone tz;
      
      gettimeofday(&tv, &tz);
      
      return (tv.tv_sec * 1000000 + tv.tv_usec >= t->stime + t->duration);
}

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