104 lines
2.0 KiB
C++
104 lines
2.0 KiB
C++
/*
|
|
Copyright (C) 2001-2006, William Joseph.
|
|
All Rights Reserved.
|
|
|
|
This file is part of GtkRadiant.
|
|
|
|
GtkRadiant 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 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "timer.h"
|
|
#include "globaldefs.h"
|
|
|
|
|
|
#if GDEF_OS_WINDOWS
|
|
|
|
#include <windows.h>
|
|
|
|
MillisecondTime MillisecondTime::current(){
|
|
static class Cached
|
|
{
|
|
LONGLONG m_frequency;
|
|
LONGLONG m_base;
|
|
public:
|
|
Cached(){
|
|
QueryPerformanceFrequency( (LARGE_INTEGER *) &m_frequency );
|
|
QueryPerformanceCounter( (LARGE_INTEGER *) &m_base );
|
|
}
|
|
LONGLONG frequency(){
|
|
return m_frequency;
|
|
}
|
|
LONGLONG base(){
|
|
return m_base;
|
|
}
|
|
} cached;
|
|
|
|
if ( cached.frequency() > 0 ) {
|
|
LONGLONG count;
|
|
QueryPerformanceCounter( (LARGE_INTEGER *) &count );
|
|
return time_from_ticks( count - cached.base(), cached.frequency() );
|
|
}
|
|
else
|
|
{
|
|
#if 1
|
|
return MillisecondTime();
|
|
#else
|
|
return time_from_ticks( timeGetTime(), 1000 );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
#elif GDEF_OS_POSIX
|
|
|
|
#include <time.h>
|
|
#include "sys/time.h"
|
|
|
|
MillisecondTime MillisecondTime::current()
|
|
{
|
|
static class Cached {
|
|
time_t m_base;
|
|
public:
|
|
Cached()
|
|
{
|
|
time(&m_base);
|
|
}
|
|
|
|
time_t base()
|
|
{
|
|
return m_base;
|
|
}
|
|
} cached;
|
|
|
|
timeval time;
|
|
gettimeofday(&time, 0);
|
|
return MillisecondTime((time.tv_sec - cached.base()) * 1000 + time.tv_usec / 1000);
|
|
}
|
|
|
|
|
|
#else
|
|
|
|
#include <ctime>
|
|
|
|
MillisecondTime MillisecondTime::current(){
|
|
return time_from_ticks<std::clock_t>( std::clock(), CLOCKS_PER_SEC );
|
|
}
|
|
|
|
|
|
|
|
#endif
|