SystemClock.h

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/*
 * Copyright (C) 2020 Niek Linnenbank
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIB_LIBAPP_SYSTEMCLOCK_H
#define __LIB_LIBAPP_SYSTEMCLOCK_H
 
#include <sys/time.h>
 
class SystemClock
{
  public:
 
    enum Result
    {
        Success,
        IOError
    };
 
  public:
 
    SystemClock();
 
    void value(struct timeval & val) const;
 
    Result now();
 
    void printDiff(const SystemClock & clock) const;
 
    void printDiff(const struct timeval & stamp) const;
 
  private:
 
    struct timeval m_timeval;
};
 
#endif /* __LIB_LIBAPP_SYSTEMCLOCK_H */