ext/rs_232/windows/Port.c in rs_232-3.0.0.pre2 vs ext/rs_232/windows/Port.c in rs_232-3.0.0.pre3

@@ -75,11 +75,11 @@
 
 void updateSettings(PortDescriptor *port)
 {
     
     if (PORT_OPEN != port->status)
-        rb_raise(rb_eRuntimeError, "Can not set due to comport is not open, status: %d\n", port->status);
+        rb_raise(rb_eIOError, "Can not set due to comport is not open, status: %d\n", port->status);
     
     
     if (port->toBeUpdated & T_BaudRate)
         port->commConfig.dcb.BaudRate = port->settings.BaudRate;
     
@@ -228,10 +228,10 @@
     
     if (port->fd == INVALID_HANDLE_VALUE)
     {
         
         port->status = PORT_CLOSED;
-        rb_raise(rb_eRuntimeError, "Unable to open comport: `%s`", port->settings.ComPort);
+        rb_raise(rb_eIOError, "Unable to open comport: `%s`", port->settings.ComPort);
         
     } else
     {
         
         port->status = PORT_OPEN;