#define DBUS_ERROR_SPAWN_FAILED "org.freedesktop.DBus.Error.Spawn.Failed"
#define DBUS_ERROR_NO_MEMORY "org.freedesktop.DBus.Error.NoMemory"
#define DBUS_ERROR_SERVICE_DOES_NOT_EXIST "org.freedesktop.DBus.Error.ServiceDoesNotExist"
+#define DBUS_ERROR_NO_REPLY "org.freedesktop.DBus.Error.NoReply"
typedef enum
{