Code in RDK

void AAMPGstPlayer::SignalConnect(gpointer instance, const gchar *detailed_signal, GCallback c_handler, gpointer data)
{	
	{
		const std::lock_guard<std::mutex> lock(privateContext->mSignalVectorAccessMutex);
		auto id = g_signal_connect(instance, detailed_signal, c_handler, data);
		if(0<id)
		{
			AAMPLOG_MIL("AAMPGstPlayer: Connected %s", detailed_signal);
			AAMPGstPlayerPriv::CallbackData Identifier{instance, id, detailed_signal};
			privateContext->mCallBackIdentifiers.push_back(Identifier);
		}
		else
		{
			AAMPLOG_WARN("AAMPGstPlayer: Could not connect %s", detailed_signal);
		}
	}
	privateContext->callbackControl.enable();
}

static constexpr int RECURSION_LIMIT = 10;

/**
 *  @brief GetElementPointers adds the supplied element/bin and any child elements up to RECURSION_LIMIT depth to elements
 */
static void GetElementPointers(gpointer pElementOrBin, std::set<gpointer>& elements, int& recursionCount)
{
	recursionCount++;
	if(RECURSION_LIMIT < recursionCount)
	{
		AAMPLOG_ERR("recursion limit exceeded");
	}
	else if(GST_IS_ELEMENT(pElementOrBin))
	{
		elements.insert(pElementOrBin);
		if(GST_IS_BIN(pElementOrBin))
		{
			for (auto currentListItem = GST_BIN_CHILDREN(reinterpret_cast<_GstElement*>(pElementOrBin));
			currentListItem;
			currentListItem = currentListItem->next)
			{
				auto currentChildElement = currentListItem->data;
				if (nullptr != currentChildElement)
				{
					//Recursive function call to support nesting of gst elements up RECURSION_LIMIT
					GetElementPointers(currentChildElement, elements, recursionCount);
				}
			}
		}
	}

	recursionCount--;
}