tag	line	file	source code
ISIG	120	include/linux/tty.h	#define L_ISIG(tty)  _L_FLAG((tty),ISIG)
ISIG	652	kernel/chr_drv/tty_io.c	IXON | ISIG | ICANON | ECHO | ECHOCTL | ECHOKE,
ISIG	707	kernel/chr_drv/tty_io.c	IXON | ISIG | ICANON,