/*
 *  ZThreads, a platform-independant, multithreading and 
 *  synchroniation library
 *
 *  Copyright (C) 2001, 2002 Eric Crahen, See LGPL.TXT for details
 *
 *  This 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.
 *
 *  This 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 this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 *  SUNY @ Buffalo, hereby disclaims all copyright interest in the
 *  ZThreads library written by Eric Crahen
 */

#ifndef __ZTTIMESTRATEGY_H__
#define __ZTTIMESTRATEGY_H__

#include <sys/time.h>

namespace ZThread {

/**
 * @class TimeStrategy
 *
 * Implement a strategy for time operatons based on gettimeofday
 */
class TimeStrategy {

  struct timeval _value;

public:

  TimeStrategy() {
    gettimeofday(&_value, 0);
  }

  inline unsigned long seconds() const {
    return _value.tv_sec;
  }

  inline unsigned long milliseconds() const {
    return _value.tv_usec/1000;
  }

  unsigned long seconds(unsigned long s) {

    unsigned long z = seconds();
    _value.tv_sec = s;

    return z;

  }

  unsigned long milliseconds(unsigned long ms) {

    unsigned long z = milliseconds();
    _value.tv_usec = ms*1000;

    return z;

  }

};

};

#endif // __ZTTIMESTRATEGY_H__
