tag	line	file	source code
SIGHUP	398	drivers/char/tty_io.c	send_sig(SIGHUP,p,1);
SIGHUP	454	drivers/char/tty_io.c	kill_pg(current->tty_old_pgrp, SIGHUP, priv);
SIGHUP	460	drivers/char/tty_io.c	kill_pg(tty->pgrp, SIGHUP, priv);
SIGHUP	444	kernel/exit.c	kill_pg(current->pgrp,SIGHUP,1);
SIGHUP	481	kernel/exit.c	kill_pg(p->pgrp,SIGHUP,1);