/* XMRig
 * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
 * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   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/>.
 */

#include "Chrono.h"


#ifdef XMRIG_OS_WIN
#   include <Windows.h>
#endif


namespace xmrig {


double Chrono::highResolutionMSecs()
{
#   ifdef XMRIG_OS_WIN
    LARGE_INTEGER f, t;
    QueryPerformanceFrequency(&f);
    QueryPerformanceCounter(&t);
    return static_cast<double>(t.QuadPart) * 1e3 / f.QuadPart;
#   else
    using namespace std::chrono;
    return static_cast<uint64_t>(duration_cast<nanoseconds>(high_resolution_clock::now().time_since_epoch()).count()) / 1e6;
#   endif
}


} /* namespace xmrig */