updating code from Flying Laptop

This is the framework of Flying Laptop OBSW version A.13.0.

ipc/QueueFactory.h

@@ -0,0 +1,33 @@
+#ifndef FRAMEWORK_IPC_QUEUEFACTORY_H_
+#define FRAMEWORK_IPC_QUEUEFACTORY_H_
+
+#include <framework/ipc/MessageQueueIF.h>
+#include <stdint.h>
+/**
+ * Creates message queues.
+ * This class is a "singleton" interface, i.e. it provides an
+ * interface, but also is the base class for a singleton.
+ */
+class QueueFactory {
+public:
+	virtual ~QueueFactory();
+	/**
+	 * Returns the single instance of QueueFactory.
+	 * The implementation of #instance is found in its subclasses.
+	 * Thus, we choose link-time variability of the  instance.
+	 */
+	static QueueFactory* instance();
+
+	MessageQueueIF* createMessageQueue(uint32_t message_depth = 3,
+			uint32_t max_message_size = MessageQueueMessage::MAX_MESSAGE_SIZE);
+
+	void deleteMessageQueue(MessageQueueIF* queue);
+private:
+	/**
+	 * External instantiation is not allowed.
+	 */
+	QueueFactory();
+	static QueueFactory* factoryInstance;
+};
+
+#endif /* FRAMEWORK_IPC_QUEUEFACTORY_H_ */