// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT license.

#include "ClearScriptV8Native.h"

//-----------------------------------------------------------------------------

// HighResolutionClock implementation

//-----------------------------------------------------------------------------

void HighResolutionClock::SleepMilliseconds(double delay, bool precise)

{

if (!precise)

{

std::this_thread::sleep_for(std::chrono::duration<double, std::milli>(delay));

}

else

{

auto start = std::chrono::high_resolution_clock::now();

auto end = start + std::chrono::duration<double, std::milli>(delay);

while (std::chrono::high_resolution_clock::now() < end) std::this_thread::yield();

}

}

//-----------------------------------------------------------------------------

double HighResolutionClock::GetMillisecondsSinceUnixEpoch()

{

return std::chrono::duration<double, std::milli>(std::chrono::system_clock::now().time_since_epoch()).count();

}

//-----------------------------------------------------------------------------

double HighResolutionClock::GetRelativeMilliseconds()

{

return std::chrono::duration<double, std::milli>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();

}

//-----------------------------------------------------------------------------

double HighResolutionClock::GetRelativeSeconds()

{

return std::chrono::duration<double>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();

}