> Do you mean the entire if () { return; } statement or just the RELEVANT_IFLAG part? It's not enough to check the iflag in this case - a termios changing c_cc[VSTOP) - which is what STOP_CHAR(tty) is, also might need the stop handling reprogramming. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html