Win32PsApi.h

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00001 //====================================================================
00002 //      Win32PsApi.h
00003 //--------------------------------------------------------------------
00004 //
00005 //      Package    : System (The LHCb System service)
00006 //
00007 //  Description: Definition of Systems internals for WIN32
00008 //               This file is NOT meant to be used outside this
00009 //               sub-package!
00010 //
00011 //      Author     : M.Frank
00012 //  Created    : 13/11/00
00013 //      Changes    : 
00014 //====================================================================
00015 #ifndef GAUDI_SYSTEM_WIN32PSAPI_H
00016 #define GAUDI_SYSTEM_WIN32PSAPI_H
00017 #ifdef _WIN32
00018     typedef struct _MODULEINFO {
00019       LPVOID lpBaseOfDll;
00020       DWORD SizeOfImage;
00021       LPVOID EntryPoint;
00022     } MODULEINFO, *LPMODULEINFO;
00023     typedef struct _PSAPI_WS_WATCH_INFORMATION {
00024       LPVOID FaultingPc;
00025       LPVOID FaultingVa;
00026     } PSAPI_WS_WATCH_INFORMATION, *PPSAPI_WS_WATCH_INFORMATION;
00027     typedef struct _PROCESS_MEMORY_COUNTERS {
00028         DWORD cb;
00029         DWORD PageFaultCount;
00030         DWORD PeakWorkingSetSize;
00031         DWORD WorkingSetSize;
00032         DWORD QuotaPeakPagedPoolUsage;
00033         DWORD QuotaPagedPoolUsage;
00034         DWORD QuotaPeakNonPagedPoolUsage;
00035         DWORD QuotaNonPagedPoolUsage;
00036         DWORD PagefileUsage;
00037         DWORD PeakPagefileUsage;
00038     } PROCESS_MEMORY_COUNTERS;
00039     typedef PROCESS_MEMORY_COUNTERS *PPROCESS_MEMORY_COUNTERS;
00040 
00041   class PsApiFunctions    {
00042   public:
00043     bool m_isValid;
00044     BOOL  (WINAPI *EnumProcesses)           (DWORD* lpidProcess, DWORD   cb, DWORD * cbNeeded);
00045     BOOL  (WINAPI *EnumProcessModules)      (HANDLE hProcess, HINSTANCE *lphModule, DWORD cb, LPDWORD lpcbNeeded);
00046     DWORD (WINAPI *GetModuleBaseNameA)      (HANDLE hProcess, HINSTANCE hModule, LPSTR lpBaseName, DWORD nSize );
00047     DWORD (WINAPI *GetModuleFileNameExA)    (HANDLE hProcess, HINSTANCE hModule, LPSTR lpFilename, DWORD nSize);
00048     BOOL  (WINAPI *GetModuleInformation)    (HANDLE hProcess, HMODULE hModule, LPMODULEINFO lpmodinfo, DWORD cb );
00049     BOOL  (WINAPI *EmptyWorkingSet)         (HANDLE hProcess);
00050     BOOL  (WINAPI *QueryWorkingSet)         (HANDLE hProcess, PVOID pv, DWORD cb );
00051     BOOL  (WINAPI *InitializeProcessForWsWatch)(HANDLE hProcess);
00052     BOOL  (WINAPI *GetWsChanges)            (HANDLE hProcess, PPSAPI_WS_WATCH_INFORMATION lpWatchInfo, DWORD cb);
00053     DWORD (WINAPI *GetMappedFileNameA)      (HANDLE hProcess, LPVOID lpv, LPSTR lpFilename, DWORD nSize );
00054     BOOL  (WINAPI *EnumDeviceDrivers)       (LPVOID *lpImageBase, DWORD cb, LPDWORD lpcbNeeded );
00055     DWORD (WINAPI *GetDeviceDriverBaseNameA)(LPVOID ImageBase, LPSTR lpBaseName, DWORD nSize );
00056     DWORD (WINAPI *GetDeviceDriverFileNameA)(LPVOID ImageBase, LPSTR lpFilename, DWORD nSize );
00057     BOOL  (WINAPI *GetProcessMemoryInfo)    (HANDLE Process,   PPROCESS_MEMORY_COUNTERS ppsmemCounters, DWORD cb );
00058     void load(HINSTANCE handle, const char* name, void** pFunction)    {
00059       *pFunction = (void*)::GetProcAddress(handle, name);
00060       if ( 0 == *pFunction ) m_isValid = false;
00061     }
00062     bool isValid()    const   {
00063       return m_isValid;
00064     }
00065     PsApiFunctions()    {
00066       m_isValid = true;
00067       HINSTANCE mh = ::LoadLibrary("PSAPI.DLL");
00068       if ( 0 == mh )  {
00069         m_isValid = false;
00070       }
00071       else  {
00072         load( mh, "EnumProcesses",                (void**)&EnumProcesses );
00073         load( mh, "EnumProcessModules",           (void**)&EnumProcessModules );
00074         load( mh, "GetModuleBaseNameA",           (void**)&GetModuleBaseNameA );
00075         load( mh, "GetModuleFileNameExA",         (void**)&GetModuleFileNameExA );
00076         load( mh, "GetModuleInformation",         (void**)&GetModuleInformation );
00077         load( mh, "EmptyWorkingSet",              (void**)&EmptyWorkingSet );
00078         load( mh, "QueryWorkingSet",              (void**)&QueryWorkingSet );
00079         load( mh, "InitializeProcessForWsWatch",  (void**)&InitializeProcessForWsWatch );
00080         load( mh, "GetWsChanges",                 (void**)&GetWsChanges );
00081         load( mh, "GetMappedFileNameA",           (void**)&GetMappedFileNameA );
00082         load( mh, "EnumDeviceDrivers",            (void**)&EnumDeviceDrivers );
00083         load( mh, "GetDeviceDriverBaseNameA",     (void**)&GetDeviceDriverBaseNameA );
00084         load( mh, "GetDeviceDriverFileNameA",     (void**)&GetDeviceDriverFileNameA );
00085         load( mh, "GetProcessMemoryInfo",         (void**)&GetProcessMemoryInfo );
00086       }
00087     }
00088   };
00089 #endif
00090 
00091 #endif    // GAUDI_SYSTEM_WIN32PSAPI_H
Gaudi Framework, version v21r8

Win32PsApi.h
