taglinefilesource code
canon_change102drivers/char/tty_ioctl.cint retval, canon_change;
canon_change140drivers/char/tty_ioctl.ccanon_change = (old_termios.c_lflag ^ tty->termios->c_lflag) & ICANON;
canon_change141drivers/char/tty_ioctl.cif (canon_change) {
canon_change148drivers/char/tty_ioctl.cif (canon_change && !L_ICANON(tty) && tty->read_cnt)