C++/서비스 상태 쿼리

#ifndef SAFEFREE
	#	define SAFEFREE(x) if(x){ ::free((void *)x); x = NULL; }
	#endif
	...

TCHAR szServiceName[] = _T("myservice");

SC_HANDLE hScm = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);

ENUM_SERVICE_STATUS *lpService = NULL;
	DWORD pcbBytesNeeded = 0;
	DWORD lpServicesReturned = 0;
	DWORD lpResumeHandle = 0;
	DWORD dwError = 0;
	if(!EnumServicesStatus(hScm, SERVICE_WIN32, SERVICE_ACTIVE, NULL, 0,
		&pcbBytesNeeded, &lpServicesReturned, &lpResumeHandle) ||
		(dwError = GetLastError() ) == ERROR_MORE_DATA)
	{
		DWORD dw_Bytes = pcbBytesNeeded + sizeof(ENUM_SERVICE_STATUS);
		lpService = (ENUM_SERVICE_STATUS *) malloc(dw_Bytes) ;

lpResumeHandle=NULL ;
		if(!EnumServicesStatus(hScm, SERVICE_WIN32, SERVICE_ACTIVE, lpService, dw_Bytes,
			&pcbBytesNeeded, &lpServicesReturned, &lpResumeHandle) )
		{
			dwError = GetLastError();
			// _T("%s GetActiveStatus() fail, GetLastError=%d"), szServiceName, dwError);
			SAFEFREE(lpService) ;
			CloseServiceHandle(hScm);
			return 0;
		}

BOOL bFound = FALSE;
		for (DWORD i=0; i < lpServicesReturned; i++)
		{
			CString finder(lpService[i].lpServiceName);

if (finder.Compare(szServiceName) == 0)
			{
				// Current State
				if (lpService[i].ServiceStatus.dwCurrentState == SERVICE_RUNNING)
				{
					// _T("%s service is running"), szServiceName);
				}
				else
				{
					// _T("%s service not running, CurrentState=%d"), szServiceName, lpService[i].ServiceStatus.dwCurrentState);
				}
				bFound = TRUE;
				break;
			}
		}
		if (bFound == FALSE)
		{
			// _T("%s service not created"), szServiceName);
		}
	}

SAFEFREE(lpService);
	CloseServiceHandle(hScm);