tag	line	file	source code
SIGHUP	403	drivers/char/tty_io.c	send_sig(SIGHUP,p,1);
SIGHUP	465	drivers/char/tty_io.c	kill_pg(current->tty_old_pgrp, SIGHUP, on_exit);
SIGHUP	471	drivers/char/tty_io.c	kill_pg(tty->pgrp, SIGHUP, on_exit);
SIGHUP	459	kernel/exit.c	kill_pg(current->pgrp,SIGHUP,1);
SIGHUP	496	kernel/exit.c	kill_pg(p->pgrp,SIGHUP,1);