Important update:

- Detect serial port disconnect/close

SelectableCore.cpp

@@ -1130,12 +1130,30 @@ bool CSelectableCore::Read( THandle * Handle )
         ioctl( Handle->FD, FIONREAD, &BytesWaiting );
 
         // EOF from server
-        if (!BytesWaiting)
+        if (BytesWaiting < 1)
         {
             // Close Handle
             Close( Handle );
 
-            // Destroy Remote Client
+            // Destroy Client
+            if (Handle->Type == ctRemoteClient) {
+                RemoveHandle( Handle );
+            }
+            return false;
+        }
+    }
+    else if (Handle->Type == ctPort)
+    {
+        // Check if anything to read
+        ioctl( Handle->FD, FIONREAD, &BytesWaiting );
+
+        // EOF from port
+        if (BytesWaiting < 1)
+        {
+            // Close Handle
+            Close( Handle );
+
+            // Destroy Port
             if (Handle->Type == ctRemoteClient) {
                 RemoveHandle( Handle );
             }