The Gaudi Framework  v30r3 (a5ef0a68)
Win32PsApi.h
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1 //====================================================================
2 // Win32PsApi.h
3 //--------------------------------------------------------------------
4 //
5 // Package : System (The LHCb System service)
6 //
7 // Description: Definition of Systems internals for WIN32
8 // This file is NOT meant to be used outside this
9 // sub-package!
10 //
11 // Author : M.Frank
12 // Created : 13/11/00
13 // Changes :
14 //====================================================================
15 #ifndef GAUDI_SYSTEM_WIN32PSAPI_H
16 #define GAUDI_SYSTEM_WIN32PSAPI_H
17 #ifdef _WIN32
18 typedef struct _MODULEINFO {
19  LPVOID lpBaseOfDll;
20  DWORD SizeOfImage;
21  LPVOID EntryPoint;
22 } MODULEINFO, *LPMODULEINFO;
23 typedef struct _PSAPI_WS_WATCH_INFORMATION {
24  LPVOID FaultingPc;
25  LPVOID FaultingVa;
26 } PSAPI_WS_WATCH_INFORMATION, *PPSAPI_WS_WATCH_INFORMATION;
27 typedef struct _PROCESS_MEMORY_COUNTERS {
28  DWORD cb;
29  DWORD PageFaultCount;
30  DWORD PeakWorkingSetSize;
31  DWORD WorkingSetSize;
32  DWORD QuotaPeakPagedPoolUsage;
33  DWORD QuotaPagedPoolUsage;
34  DWORD QuotaPeakNonPagedPoolUsage;
35  DWORD QuotaNonPagedPoolUsage;
36  DWORD PagefileUsage;
37  DWORD PeakPagefileUsage;
38 } PROCESS_MEMORY_COUNTERS;
39 typedef PROCESS_MEMORY_COUNTERS* PPROCESS_MEMORY_COUNTERS;
40 
41 class PsApiFunctions
42 {
43 public:
44  bool m_isValid;
45  BOOL( WINAPI* EnumProcesses )( DWORD* lpidProcess, DWORD cb, DWORD* cbNeeded );
46  BOOL( WINAPI* EnumProcessModules )( HANDLE hProcess, HINSTANCE* lphModule, DWORD cb, LPDWORD lpcbNeeded );
47  DWORD( WINAPI* GetModuleBaseNameA )( HANDLE hProcess, HINSTANCE hModule, LPSTR lpBaseName, DWORD nSize );
48  DWORD( WINAPI* GetModuleFileNameExA )( HANDLE hProcess, HINSTANCE hModule, LPSTR lpFilename, DWORD nSize );
49  BOOL( WINAPI* GetModuleInformation )( HANDLE hProcess, HMODULE hModule, LPMODULEINFO lpmodinfo, DWORD cb );
50  BOOL( WINAPI* EmptyWorkingSet )( HANDLE hProcess );
51  BOOL( WINAPI* QueryWorkingSet )( HANDLE hProcess, PVOID pv, DWORD cb );
52  BOOL( WINAPI* InitializeProcessForWsWatch )( HANDLE hProcess );
53  BOOL( WINAPI* GetWsChanges )( HANDLE hProcess, PPSAPI_WS_WATCH_INFORMATION lpWatchInfo, DWORD cb );
54  DWORD( WINAPI* GetMappedFileNameA )( HANDLE hProcess, LPVOID lpv, LPSTR lpFilename, DWORD nSize );
55  BOOL( WINAPI* EnumDeviceDrivers )( LPVOID* lpImageBase, DWORD cb, LPDWORD lpcbNeeded );
56  DWORD( WINAPI* GetDeviceDriverBaseNameA )( LPVOID ImageBase, LPSTR lpBaseName, DWORD nSize );
57  DWORD( WINAPI* GetDeviceDriverFileNameA )( LPVOID ImageBase, LPSTR lpFilename, DWORD nSize );
58  BOOL( WINAPI* GetProcessMemoryInfo )( HANDLE Process, PPROCESS_MEMORY_COUNTERS ppsmemCounters, DWORD cb );
59  void load( HINSTANCE handle, const char* name, void** pFunction )
60  {
61  *pFunction = (void*)::GetProcAddress( handle, name );
62  if ( 0 == *pFunction ) m_isValid = false;
63  }
64  bool isValid() const { return m_isValid; }
65  PsApiFunctions()
66  {
67  m_isValid = true;
68  HINSTANCE mh = ::LoadLibrary( "PSAPI.DLL" );
69  if ( 0 == mh ) {
70  m_isValid = false;
71  } else {
72  load( mh, "EnumProcesses", (void**)&EnumProcesses );
73  load( mh, "EnumProcessModules", (void**)&EnumProcessModules );
74  load( mh, "GetModuleBaseNameA", (void**)&GetModuleBaseNameA );
75  load( mh, "GetModuleFileNameExA", (void**)&GetModuleFileNameExA );
76  load( mh, "GetModuleInformation", (void**)&GetModuleInformation );
77  load( mh, "EmptyWorkingSet", (void**)&EmptyWorkingSet );
78  load( mh, "QueryWorkingSet", (void**)&QueryWorkingSet );
79  load( mh, "InitializeProcessForWsWatch", (void**)&InitializeProcessForWsWatch );
80  load( mh, "GetWsChanges", (void**)&GetWsChanges );
81  load( mh, "GetMappedFileNameA", (void**)&GetMappedFileNameA );
82  load( mh, "EnumDeviceDrivers", (void**)&EnumDeviceDrivers );
83  load( mh, "GetDeviceDriverBaseNameA", (void**)&GetDeviceDriverBaseNameA );
84  load( mh, "GetDeviceDriverFileNameA", (void**)&GetDeviceDriverFileNameA );
85  load( mh, "GetProcessMemoryInfo", (void**)&GetProcessMemoryInfo );
86  }
87  }
88 };
89 #endif
90 
91 #endif // GAUDI_SYSTEM_WIN32PSAPI_H
System::EntryPoint
unsigned long(* EntryPoint)(const unsigned long iid, void **ppvObject)
Definition of the "generic" DLL entry point function.
Definition: System.h:36