Merge pull request #840 from aws-lumberyard-dev/mpgem_scripting_rpc

Add events for MP Gem RPCs plus BC reflection so ScriptCanvas can respond to them

Code/Framework/AzNetworking/AzNetworking/TcpTransport/TcpSocketManager_Select.cpp

@@ -46,6 +46,12 @@ namespace AzNetworking
 
     void TcpSocketManager::ProcessEvents(AZ::TimeMs maxBlockMs, const SocketEventCallback& readCallback, const SocketEventCallback& writeCallback)
     {
+        if(static_cast<int32_t>(m_maxFd) <= 0 && m_socketFds.empty())
+        {
+            // There are no available sockets to process
+            return;
+        }
+
         m_readerFdSet = m_sourceFdSet;
         m_writerFdSet = m_sourceFdSet;