C / C++ / MFC

while(g_bUDP_Socket_Created)<br />
{<br />
        int len = sizeof(RxBuffer);<br />
        bytesRead = recvfrom (conn_socket, (char *)&RxBuffer,  sizeof(Data), 0, (struct sockaddr *)&from, &length);<br />
	// bytesRead = recv(conn_socket, BufferIn, sizeof(BufferIn), 0);<br />
	// Check for error and terminate the thread if any found<br />
	if (bytesRead == SOCKET_ERROR) <br />
	{<br />
		g_sFormatting.Format("recvfrom() failed: %d\n",WSAGetLastError());<br />
			AfxMessageBox(g_sFormatting);<br />
		WSACleanup();<br />
		return -1;<br />
	}<br />
	::EnterCriticalSection(&g_csRxLock);	// Apply lock<br />
		memcpy(&g_RxData, &RxBuffer, sizeof(Data));<br />
		// Now update the Database with the new data received<br />
		UpdateDataBase();<br />
	::LeaveCriticalSection(&g_csRxLock);	// Release the lock<br />
	// Increment the UDP Packet counter<br />
	g_nUDPCounter++;<br />
}<br />
	// Close the Winsock and tidy up<br />
	closesocket(conn_socket);<br />
	WSACleanup();<br />
// This point never reached !!!!<br />
	return 0;