taglinefilesource code
SIGHUP396drivers/char/tty_io.csend_sig(SIGHUP,p,1);
SIGHUP452drivers/char/tty_io.ckill_pg(current->tty_old_pgrp, SIGHUP, priv);
SIGHUP458drivers/char/tty_io.ckill_pg(tty->pgrp, SIGHUP, priv);
SIGHUP406kernel/exit.ckill_pg(current->pgrp,SIGHUP,1);
SIGHUP443kernel/exit.ckill_pg(p->pgrp,SIGHUP,1);