private static unsafe ListenerUnsafeNativeMethods.SERVICE_STATUS_PROCESS GetStatusForService(string serviceName)
{
ListenerUnsafeNativeMethods.SERVICE_STATUS_PROCESS service_status_process;
SafeServiceHandle scManager = OpenSCManager();
try
{
SafeServiceHandle hService = OpenService(scManager, serviceName, 4);
try
{
int num;
if (!ListenerUnsafeNativeMethods.QueryServiceStatusEx(hService, 0, null, 0, out num))
{
int error = Marshal.GetLastWin32Error();
if (error != 0x7a)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(error));
}
}
byte[] pBuffer = new byte[num];
if (!ListenerUnsafeNativeMethods.QueryServiceStatusEx(hService, 0, pBuffer, pBuffer.Length, out num))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception());
}
try
{
fixed(byte *numRef = pBuffer)
{
service_status_process = (ListenerUnsafeNativeMethods.SERVICE_STATUS_PROCESS)Marshal.PtrToStructure((IntPtr)numRef, typeof(ListenerUnsafeNativeMethods.SERVICE_STATUS_PROCESS));
}
}
finally
{
numRef = null;
}
}
finally
{
hService.Close();
}
}
finally
{
scManager.Close();
}
return(service_status_process);
}
static ListenerUnsafeNativeMethods.SERVICE_STATUS_PROCESS GetStatusForService(string serviceName)
{
SafeServiceHandle scManager = OpenSCManager();
try
{
SafeServiceHandle service = OpenService(scManager, serviceName, ListenerUnsafeNativeMethods.SERVICE_QUERY_STATUS);
try
{
int lpnLengthNeeded;
bool success = ListenerUnsafeNativeMethods.QueryServiceStatusEx(service, ListenerUnsafeNativeMethods.SC_STATUS_PROCESS_INFO, null, 0, out lpnLengthNeeded);
if (!success)
{
int errorCode = Marshal.GetLastWin32Error();
if (errorCode != ListenerUnsafeNativeMethods.ERROR_INSUFFICIENT_BUFFER)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(errorCode));
}
}
byte[] serviceStatusProcess = new byte[lpnLengthNeeded];
#pragma warning suppress 56523 // Microsoft, Win32Exception ctor calls Marshal.GetLastWin32Error()
success = ListenerUnsafeNativeMethods.QueryServiceStatusEx(service, ListenerUnsafeNativeMethods.SC_STATUS_PROCESS_INFO, serviceStatusProcess, serviceStatusProcess.Length, out lpnLengthNeeded);
if (!success)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception());
}
fixed(byte *pServiceStatusProcess = serviceStatusProcess)
{
return((ListenerUnsafeNativeMethods.SERVICE_STATUS_PROCESS)Marshal.PtrToStructure((IntPtr)pServiceStatusProcess, typeof(ListenerUnsafeNativeMethods.SERVICE_STATUS_PROCESS)));
}
}
finally
{
service.Close();
}
}
finally
{
scManager.Close();
}
}
