rainmeter-studio/Library/MeasureCPU.h

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2009-02-10 18:37:48 +00:00
/*
Copyright (C) 2001 Kimmo Pekkola
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; either version 2
of the License, or (at your option) any later version.
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 for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
$Header: /home/cvsroot/Rainmeter/Library/MeasureCPU.h,v 1.1.1.1 2005/07/10 18:51:06 rainy Exp $
$Log: MeasureCPU.h,v $
Revision 1.1.1.1 2005/07/10 18:51:06 rainy
no message
Revision 1.7 2004/06/05 10:55:54 rainy
Too much changes to be listed in here...
Revision 1.6 2002/04/26 18:24:16 rainy
Modified the Update method to support disabled measures.
Revision 1.5 2002/01/16 16:07:00 rainy
Fixed a bug with the CPU meter in 9x.
Revision 1.4 2001/09/26 16:27:15 rainy
Changed the interfaces a bit.
Revision 1.3 2001/09/01 13:00:10 rainy
Slight changes in the interface. The value is now measured only once if possible.
Revision 1.2 2001/08/12 15:46:33 Rainy
Adjusted Update()'s interface.
Fixed a bug that prevent more than one CPU meter.
Revision 1.1.1.1 2001/08/11 10:58:19 Rainy
Added to CVS.
*/
#ifndef __MEASURECPU_H__
#define __MEASURECPU_H__
#include "Measure.h"
typedef struct
{
DWORD dwUnknown1;
ULONG uKeMaximumIncrement;
ULONG uPageSize;
ULONG uMmNumberOfPhysicalPages;
ULONG uMmLowestPhysicalPage;
ULONG uMmHighestPhysicalPage;
ULONG uAllocationGranularity;
PVOID pLowestUserAddress;
PVOID pMmHighestUserAddress;
ULONG uKeActiveProcessors;
BYTE bKeNumberProcessors;
BYTE bUnknown2;
WORD wUnknown3;
} SYSTEM_BASIC_INFORMATION;
typedef struct
{
LARGE_INTEGER liIdleTime;
DWORD dwSpare[76];
} SYSTEM_PERFORMANCE_INFORMATION;
typedef struct
{
LARGE_INTEGER liKeBootTime;
LARGE_INTEGER liKeSystemTime;
LARGE_INTEGER liExpTimeZoneBias;
ULONG uCurrentTimeZoneId;
DWORD dwReserved;
} SYSTEM_TIME_INFORMATION;
typedef LONG (WINAPI *PROCNTQSI)(UINT,PVOID,ULONG,PULONG);
class CMeasureCPU : public CMeasure
{
public:
CMeasureCPU(CMeterWindow* meterWindow);
virtual ~CMeasureCPU();
virtual bool Update();
protected:
bool m_CPUFromRegistry;
bool m_FirstTime;
PROCNTQSI m_NtQuerySystemInformation;
SYSTEM_PERFORMANCE_INFORMATION m_SysPerfInfo;
SYSTEM_TIME_INFORMATION m_SysTimeInfo;
SYSTEM_INFO m_SystemInfo;
LARGE_INTEGER m_OldIdleTime;
LARGE_INTEGER m_OldSystemTime;
};
#endif