535 	put_pid(tty->session);  in __proc_set_tty()
539 	tty->session = get_pid(task_session(current));  in __proc_set_tty()
569 static void session_clear_tty(struct pid *session)  in session_clear_tty()  argument
572 	do_each_pid_task(session, PIDTYPE_SID, p) {  in session_clear_tty()
574 	} while_each_pid_task(session, PIDTYPE_SID, p);  in session_clear_tty()
622 	if (tty->session) {  in tty_signal_session_leader()
623 		do_each_pid_task(tty->session, PIDTYPE_SID, p) {  in tty_signal_session_leader()
644 		} while_each_pid_task(tty->session, PIDTYPE_SID, p);  in tty_signal_session_leader()
734 	put_pid(tty->session);  in __tty_hangup()
736 	tty->session = NULL;  in __tty_hangup()
926 		put_pid(tty->session);  in disassociate_ctty()
928 		tty->session = NULL;  in disassociate_ctty()
1643 	put_pid(tty->session);  in release_one_tty()
1883 		session_clear_tty(tty->session);  in tty_release()
1885 			session_clear_tty(o_tty->session);  in tty_release()
2144 	    tty->session == NULL) {  in tty_open()
2458 	if (current->signal->leader && (task_session(current) == tty->session))  in tiocsctty()
2470 	if (tty->session) {  in tiocsctty()
2479 			session_clear_tty(tty->session);  in tiocsctty()
2593 	    (real_tty->session != task_session(current)))  in tiocspgrp()
2637 	if (!real_tty->session)  in tiocgsid()
2639 	return put_user(pid_vnr(real_tty->session), p);  in tiocgsid()
3049 	struct pid *session;  in __do_SAK()
3054 	session = tty->session;  in __do_SAK()
3062 	do_each_pid_task(session, PIDTYPE_SID, p) {  in __do_SAK()
3067 	} while_each_pid_task(session, PIDTYPE_SID, p);  in __do_SAK()
3148 	tty->session = NULL;  in alloc_tty_struct()