321 	channel->ch_part[part].ch_fd = INVALID_FD;  in add_channel()
374     has_sock_msg = channel->ch_part[PART_SOCK].ch_fd != INVALID_FD  in channel_still_useful()
377     has_out_msg = channel->ch_part[PART_OUT].ch_fd != INVALID_FD  in channel_still_useful()
380     has_err_msg = channel->ch_part[PART_ERR].ch_fd != INVALID_FD  in channel_still_useful()
527     if (fd != INVALID_FD)  in channel_fd2channel()
649     if (channel->CH_SOCK_FD != INVALID_FD)  in channel_gui_register()
651     if (channel->CH_OUT_FD != INVALID_FD  in channel_gui_register()
654     if (channel->CH_ERR_FD != INVALID_FD  in channel_gui_register()
1388     if (*fd != INVALID_FD)  in ch_close_part()
1407 	*fd = INVALID_FD;  in ch_close_part()
1417     if (in != INVALID_FD)  in channel_set_pipes()
1428     if (out != INVALID_FD)  in channel_set_pipes()
1440     if (err != INVALID_FD)  in channel_set_pipes()
1559     if (in_part->ch_fd == INVALID_FD)  in can_write_buf_line()
1748 	    if (in_part->ch_fd == INVALID_FD)  in channel_write_new_lines()
2863 		    if (ch_part->ch_fd == INVALID_FD && node->rq_buflen > 0)  in may_invoke_callback()
2984     return channel != NULL && (channel->CH_SOCK_FD != INVALID_FD  in channel_can_write_to()
2985 			  || channel->CH_IN_FD != INVALID_FD);  in channel_can_write_to()
2996     return channel != NULL && (channel->CH_SOCK_FD != INVALID_FD  in channel_is_open()
2997 			  || channel->CH_IN_FD != INVALID_FD  in channel_is_open()
2998 			  || channel->CH_OUT_FD != INVALID_FD  in channel_is_open()
2999 			  || channel->CH_ERR_FD != INVALID_FD);  in channel_is_open()
3038 	if (channel->CH_OUT_FD != INVALID_FD)  in channel_status()
3045 	if (channel->CH_ERR_FD != INVALID_FD)  in channel_status()
3081     if (chanpart->ch_fd != INVALID_FD)  in channel_part_info()
3327 	if (in_part->ch_fd != INVALID_FD  in channel_fill_wfds()
3352 	if (in_part->ch_fd != INVALID_FD  in channel_fill_poll_write()
3556     if (fd == INVALID_FD)  in channel_read()
3641 	    if (raw || fd == INVALID_FD)  in channel_read_block()
3646 	if (fd == INVALID_FD)  in channel_read_block()
3785 	    if (fd == INVALID_FD  in channel_read_json_block()
3790 		    if (fd != INVALID_FD)  in channel_read_json_block()
3956 	    if (fd != INVALID_FD)  in channel_handle_events()
4011     if (fd != INVALID_FD)  in channel_set_nonblock()
4043     if (fd == INVALID_FD)  in channel_send()
4391 	    if (ch_part->ch_fd != INVALID_FD)  in channel_poll_setup()
4443 	    else if (channel->ch_part[part].ch_fd != INVALID_FD  in channel_poll_check()
4489 	    if (fd != INVALID_FD)  in channel_select_setup()
4538 	    if (ret > 0 && fd != INVALID_FD && FD_ISSET(fd, rfds))  in channel_select_check()
4544 	    else if (fd != INVALID_FD && channel->ch_keep_open)  in channel_select_check()
4552 	if (ret > 0 && in_part->ch_fd != INVALID_FD  in channel_select_check()
4648 	if (channel->ch_part[part].ch_fd != INVALID_FD  in channel_parse_messages()
4745     if (channel->CH_SOCK_FD == INVALID_FD)  in channel_part_send()
4756     if (channel->CH_SOCK_FD == INVALID_FD)  in channel_part_read()