tag	line	file	source code
EMPTY	1007	drivers/char/console.c	if (!EMPTY(&tty->write_q) && currcons == sel_cons)
EMPTY	335	drivers/char/keyboard.c	(L_ECHO(tty) || (EMPTY(&tty->secondary) && EMPTY(&tty->read_q)))))
EMPTY	59	drivers/char/pty.c	if (from->stopped || EMPTY(&from->write_q))
EMPTY	168	drivers/char/tty_io.c	if (!tty->write || EMPTY(&tty->write_q))
EMPTY	179	drivers/char/tty_io.c	if (!tty || EMPTY(&tty->read_q))
EMPTY	750	drivers/char/tty_io.c	if (!EMPTY(&tty->read_q)) {
EMPTY	914	drivers/char/tty_io.c	if (!EMPTY(&tty->write_q))
EMPTY	916	drivers/char/tty_io.c	if (L_ICANON(tty) ? tty->canon_data : !EMPTY(&tty->secondary))
EMPTY	933	drivers/char/tty_io.c	if (L_ICANON(tty) ? tty->canon_data : !EMPTY(&tty->secondary))
EMPTY	941	drivers/char/tty_io.c	if (L_ICANON(tty) ? tty->canon_data : !EMPTY(&tty->secondary))
EMPTY	1037	drivers/char/tty_io.c	if (EMPTY(&tty->secondary)) {
EMPTY	1133	drivers/char/tty_io.c	if (EMPTY(&tty->write_q) && !need_resched)
EMPTY	90	drivers/char/tty_ioctl.c	if (EMPTY(&tty->write_q))
EMPTY	103	drivers/char/tty_ioctl.c	if (EMPTY(&tty->write_q))
EMPTY	199	drivers/char/tty_ioctl.c	if (canon_change && !L_ICANON(tty) && !EMPTY(&tty->secondary))