103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "timer.h"
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#include "globaldefs.h"
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#if GDEF_OS_WINDOWS
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#include <windows.h>
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MillisecondTime MillisecondTime::current(){
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static class Cached
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{
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LONGLONG m_frequency;
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LONGLONG m_base;
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public:
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Cached(){
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QueryPerformanceFrequency( (LARGE_INTEGER *) &m_frequency );
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QueryPerformanceCounter( (LARGE_INTEGER *) &m_base );
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}
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LONGLONG frequency(){
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return m_frequency;
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}
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LONGLONG base(){
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return m_base;
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}
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} cached;
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if ( cached.frequency() > 0 ) {
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LONGLONG count;
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QueryPerformanceCounter( (LARGE_INTEGER *) &count );
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return time_from_ticks( count - cached.base(), cached.frequency() );
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}
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else
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{
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#if 1
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return MillisecondTime();
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#else
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return time_from_ticks( timeGetTime(), 1000 );
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#endif
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}
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}
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#elif GDEF_OS_POSIX
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#include <time.h>
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#include "sys/time.h"
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MillisecondTime MillisecondTime::current()
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{
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static class Cached {
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time_t m_base;
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public:
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Cached()
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{
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time(&m_base);
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}
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time_t base()
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{
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return m_base;
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}
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} cached;
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timeval time;
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gettimeofday(&time, 0);
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return MillisecondTime((time.tv_sec - cached.base()) * 1000 + time.tv_usec / 1000);
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}
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#else
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#include <ctime>
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MillisecondTime MillisecondTime::current(){
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return time_from_ticks<std::clock_t>( std::clock(), CLOCKS_PER_SEC );
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}
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#endif
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