bsd/kern/tty_ptmx.c

338 	struct ptmx_ioctl	**pis_ioctl_list;	/* pointer vector */
411 			bcopy(_state.pis_ioctl_list, new_pis_ioctl_list, sizeof(struct ptmx_ioctl *) * _state.pis_total);
412 			old_pis_ioctl_list = _state.pis_ioctl_list;
413 			_state.pis_ioctl_list = new_pis_ioctl_list;
420 		if (_state.pis_ioctl_list[minor] != NULL) {
433 		_state.pis_ioctl_list[minor] = new_ptmx_ioctl;
438 		_state.pis_ioctl_list[minor]->pt_flags |= PF_OPEN_M;
442 		_state.pis_ioctl_list[minor]->pt_devhandle = devfs_make_node(
446 		if (_state.pis_ioctl_list[minor]->pt_devhandle == NULL) {
451 		_state.pis_ioctl_list[minor]->pt_flags |= PF_OPEN_S;
454 	return (_state.pis_ioctl_list[minor]);
466 	_state.pis_ioctl_list[minor]->pt_flags &= ~(open_flag);
473 	if (!(_state.pis_ioctl_list[minor]->pt_flags & (PF_OPEN_M|PF_OPEN_S))) {
475 		old_ptmx_ioctl = _state.pis_ioctl_list[ minor];
494 		_state.pis_ioctl_list[ minor] = NULL;
534 			if (_state.pis_ioctl_list[ i] == NULL)