565 	int fdout, ptyfd, ttyfd, ptymaster;  in do_exec_pty()  local
571 	ttyfd = s->ttyfd;  in do_exec_pty()
582 		close(ttyfd);  in do_exec_pty()
589 		close(ttyfd);  in do_exec_pty()
601 		close(ttyfd);  in do_exec_pty()
614 		pty_make_controlling_tty(&ttyfd, s->tty);  in do_exec_pty()
617 		if (dup2(ttyfd, 0) == -1)  in do_exec_pty()
619 		if (dup2(ttyfd, 1) == -1)  in do_exec_pty()
621 		if (dup2(ttyfd, 2) == -1)  in do_exec_pty()
625 		close(ttyfd);  in do_exec_pty()
648 	close(ttyfd);  in do_exec_pty()
698 	if (s->ttyfd != -1) {  in do_exec()
716 	else if (s->ttyfd == -1) {  in do_exec()
724 	if (s->ttyfd != -1)  in do_exec()
1188 	if (s->ttyfd != -1)  in do_setup_env()
1452 	if (s->ttyfd != -1) {  in do_pwchange()
1545 	session_setup_sia(pw, s->ttyfd == -1 ? NULL : s->tty);  in do_child()
1736 	sessions[id].ttyfd = -1;  in session_unused()
1826 		if (s->used && s->ttyfd != -1 && strcmp(s->tty, tty) == 0) {  in session_by_tty()
1915 	if (s->ttyfd != -1) {  in session_pty_req()
1934 	if (!PRIVSEP(pty_allocate(&s->ptyfd, &s->ttyfd, s->tty,  in session_pty_req()
1939 		s->ttyfd = -1;  in session_pty_req()
1945 	ssh_tty_parse_modes(ssh, s->ttyfd);  in session_pty_req()
2277 	if (s->ttyfd == -1)  in session_pty_cleanup2()
2300 	s->ttyfd = -1;  in session_pty_cleanup2()
2442 	if (s->ttyfd != -1)  in session_close()
2472 	if (s->ttyfd != -1)  in session_close_by_pid()
2494 		    __func__, id, s->ttyfd);  in session_close_by_channel()
2499 		if (s->ttyfd != -1)  in session_close_by_channel()
2543 		if (s->used && s->ttyfd != -1) {  in session_tty_list()