HANDLE hToken;
   TOKEN_PRIVILEGES tkp;

   // Get a token for this process.

   if (!OpenProcessToken(GetCurrentProcess(),
        TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
      return( FALSE );

   // Get the LUID for the shutdown privilege.

   LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,
        &tkp.Privileges[0].Luid);

   tkp.PrivilegeCount = 1;  // one privilege to set   
   tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

   // Get the shutdown privilege for this process.

   AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,
        (PTOKEN_PRIVILEGES)NULL, 0);

   if (GetLastError() != ERROR_SUCCESS)
      return FALSE;

   // Shut down the system and force all applications to close.

   if (!ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE,
               SHTDN_REASON_MAJOR_OPERATINGSYSTEM |
               SHTDN_REASON_MINOR_UPGRADE |
               SHTDN_REASON_FLAG_PLANNED))
      return FALSE;

   return TRUE;