timer.hpp

//-*-Mode:C++;coding:utf-8;tab-width:4;c-basic-offset:4;indent-tabs-mode:()-*-
// ex: set ft=cpp fenc=utf-8 sts=4 ts=4 sw=4 et nomod:
//
// MIT License
//
// Copyright (c) 2009-2017 Michael Truog <mjtruog at protonmail dot com>
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef TIMER_HPP
#define TIMER_HPP

#include "config.h"
#if HAVE_CLOCK_GETTIME_MONOTONIC
#include <time.h>
#else
#include <sys/time.h>
#endif

class timer
{
    public:
        timer();
        void restart();
        // get elapsed time in seconds
        double elapsed() const;
    private:
#if HAVE_CLOCK_GETTIME_MONOTONIC
        struct timespec m_start;
#else
        struct timeval m_start;
#endif
        
};

#endif // TIMER_HPP