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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/System/Unix/ClockImpl.hpp>
#if defined(SFML_SYSTEM_MACOS) || defined(SFML_SYSTEM_IOS)
#include <mach/mach_time.h>
#else
#include <time.h>
#endif
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
Time ClockImpl::getCurrentTime()
{
#if defined(SFML_SYSTEM_MACOS) || defined(SFML_SYSTEM_IOS)
// Mac OS X specific implementation (it doesn't support clock_gettime)
static mach_timebase_info_data_t frequency = {0, 0};
if (frequency.denom == 0)
mach_timebase_info(&frequency);
Uint64 nanoseconds = mach_absolute_time() * frequency.numer / frequency.denom;
return sf::microseconds(nanoseconds / 1000);
#else
// POSIX implementation
timespec time;
clock_gettime(CLOCK_MONOTONIC, &time);
return sf::microseconds(static_cast<Uint64>(time.tv_sec) * 1000000 + time.tv_nsec / 1000);
#endif
}
} // namespace priv
} // namespace sf
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