dolphin/Source/Core/Common/Src/Timer.cpp

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// Copyright (C) 2003-2008 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifdef _WIN32
#include <windows.h>
#include <mmsystem.h>
#endif
#include <time.h>
#include "Common.h"
#include "Timer.h"
#ifdef __GNUC__
#include <sys/timeb.h>
u32 timeGetTime()
{
struct timeb t;
ftime(&t);
return((u32)(t.time * 1000 + t.millitm));
}
#endif
namespace Common
{
Timer::Timer(void)
: m_LastTime(0)
{
Update();
#ifdef _WIN32
QueryPerformanceFrequency((LARGE_INTEGER*)&m_frequency);
#endif
}
void Timer::Update(void)
{
m_LastTime = timeGetTime();
//TODO(ector) - QPF
}
s64 Timer::GetTimeDifference(void)
{
return(timeGetTime() - m_LastTime);
}
void Timer::IncreaseResolution()
{
#ifdef _WIN32
timeBeginPeriod(1);
#endif
}
void Timer::RestoreResolution()
{
#ifdef _WIN32
timeEndPeriod(1);
#endif
}
#ifdef __GNUC__
void _time64(u64* t)
{
*t = 0; //TODO
}
#endif
u64 Timer::GetTimeSinceJan1970(void)
{
time_t ltime;
time(&ltime);
return((u64)ltime);
}
u64 Timer::GetLocalTimeSinceJan1970(void)
{
time_t sysTime, tzDiff;
struct tm * gmTime;
time(&sysTime);
// Lazy way to get local time in sec
gmTime = gmtime(&sysTime);
tzDiff = sysTime - mktime(gmTime);
return (u64)(sysTime + tzDiff);
}
} // end of namespace Common