taglinefilesource code
SIGHUP49kernel/chr_drv/pty.ckill_pg(tty->link->pgrp,SIGHUP,1);
SIGHUP121kernel/chr_drv/serial.ckill_pg(info->tty->pgrp,SIGHUP,1);
SIGHUP406kernel/chr_drv/tty_ioctl.ckill_pg(tty->pgrp, SIGHUP, 0);
SIGHUP332kernel/exit.ckill_pg(current->pgrp,SIGHUP,1);
SIGHUP369kernel/exit.ckill_pg(p->pgrp,SIGHUP,1);
SIGHUP380kernel/exit.ckill_pg(tty->pgrp, SIGHUP, 1);