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don't query additional information for the system idle process (which doesn't work anyway)

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svn path=/trunk/; revision=14682
This commit is contained in:
Thomas Bluemel 2005-04-18 21:03:33 +00:00
parent b3dee30733
commit 88e83d47c5
1 changed files with 27 additions and 14 deletions
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41
reactos/subsys/system/taskmgr/perfdata.c
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@ -260,15 +260,16 @@ void PerfDataRefresh(void)
pPerfData[Idx].ThreadCount = pSPI->NumberOfThreads;
pPerfData[Idx].SessionId = pSPI->SessionId;
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, (DWORD)pSPI->UniqueProcessId);
if (hProcess) {
if (OpenProcessToken(hProcess, TOKEN_QUERY|TOKEN_DUPLICATE|TOKEN_IMPERSONATE, &hProcessToken)) {
ImpersonateLoggedOnUser(hProcessToken);
memset(szTemp, 0, sizeof(TCHAR[MAX_PATH]));
dwSize = MAX_PATH;
GetUserName(szTemp, &dwSize);
if (pSPI->UniqueProcessId != NULL) {
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, (DWORD)pSPI->UniqueProcessId);
if (hProcess) {
if (OpenProcessToken(hProcess, TOKEN_QUERY|TOKEN_DUPLICATE|TOKEN_IMPERSONATE, &hProcessToken)) {
ImpersonateLoggedOnUser(hProcessToken);
memset(szTemp, 0, sizeof(TCHAR[MAX_PATH]));
dwSize = MAX_PATH;
GetUserName(szTemp, &dwSize);
#ifndef UNICODE
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szTemp, -1, pPerfData[Idx].UserName, MAX_PATH);
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szTemp, -1, pPerfData[Idx].UserName, MAX_PATH);
/*
int MultiByteToWideChar(
UINT CodePage, // code page
@ -280,13 +281,25 @@ int MultiByteToWideChar(
);
*/
#endif
RevertToSelf();
CloseHandle(hProcessToken);
RevertToSelf();
CloseHandle(hProcessToken);
} else {
pPerfData[Idx].UserName[0] = _T('\0');
}
pPerfData[Idx].USERObjectCount = GetGuiResources(hProcess, GR_USEROBJECTS);
pPerfData[Idx].GDIObjectCount = GetGuiResources(hProcess, GR_GDIOBJECTS);
GetProcessIoCounters(hProcess, &pPerfData[Idx].IOCounters);
CloseHandle(hProcess);
} else {
goto ClearInfo;
}
pPerfData[Idx].USERObjectCount = GetGuiResources(hProcess, GR_USEROBJECTS);
pPerfData[Idx].GDIObjectCount = GetGuiResources(hProcess, GR_GDIOBJECTS);
GetProcessIoCounters(hProcess, &pPerfData[Idx].IOCounters);
CloseHandle(hProcess);
} else {
ClearInfo:
/* clear information we were unable to fetch */
pPerfData[Idx].UserName[0] = _T('\0');
pPerfData[Idx].USERObjectCount = 0;
pPerfData[Idx].GDIObjectCount = 0;
ZeroMemory(&pPerfData[Idx].IOCounters, sizeof(IO_COUNTERS));
}
pPerfData[Idx].UserTime.QuadPart = pSPI->UserTime.QuadPart;
pPerfData[Idx].KernelTime.QuadPart = pSPI->KernelTime.QuadPart;