tag	line	file	source code
tty_hung_up_p	1541	drivers/char/serial.c	if (tty_hung_up_p(filp) && (info->flags & ASYNC_HUP_NOTIFY)) {
tty_hung_up_p	1548	drivers/char/serial.c	if (tty_hung_up_p(filp))
tty_hung_up_p	785	drivers/char/tty_io.c	if (tty_hung_up_p(file)) {
tty_hung_up_p	876	drivers/char/tty_io.c	if (tty_hung_up_p(file))
tty_hung_up_p	912	drivers/char/tty_io.c	if (tty_hung_up_p(file))
tty_hung_up_p	375	include/linux/tty.h	extern int tty_hung_up_p(struct file * filp);