add support for new EthernetHandleSet to GOOSE subscriber

src/goose/goose_receiver.c

@@ -811,3 +811,10 @@ GooseReceiver_tick(GooseReceiver self)
     else
         return false;
 }
+
+void
+GooseReceiver_addHandleSet(GooseReceiver self, EthernetHandleSet handles)
+{
+    return EthernetHandleSet_addSocket(handles, self->ethSocket);
+}
+

src/goose/goose_receiver.h

@@ -133,6 +133,20 @@ GooseReceiver_stopThreadless(GooseReceiver self);
 bool
 GooseReceiver_tick(GooseReceiver self);
 
+/* Forward declaration */
+typedef struct sEthernetHandleSet* EthernetHandleSet;
+
+/**
+ * \brief Add the receiver to a handleset for multiplexed asynchronous IO.
+ *
+ * Note: This function must only be called after GooseReceiver_startThreadless().
+ *
+ * \param[in] self The SVReceiver instance.
+ * \param[inout] handles The EthernetHandleSet to which the EthernetSocket of this receiver should be added.
+ */
+void
+GooseReceiver_addHandleSet(GooseReceiver self, EthernetHandleSet handles);
+
 /**@}*/
 
 #ifdef __cplusplus