70 	tube->sr = -1;  in tube_create()
79 	tube->sr = sv[0];  in tube_create()
81 	if(!fd_set_nonblock(tube->sr) || !fd_set_nonblock(tube->sw)) {  in tube_create()
105 	if(tube->sr != -1) {  in tube_close_read()
106 		close(tube->sr);  in tube_close_read()
107 		tube->sr = -1;  in tube_close_read()
338 	int fd = tube->sr;  in tube_read_msg()
430 	return pollit(tube->sr, &t);  in tube_poll()
435 	return pollit(tube->sr, NULL);  in tube_wait()
446 		fds.fd = tube->sr;  in tube_wait_timeout()
465 	return tube->sr;  in tube_read_fd()
473 	if(!(tube->listen_com = comm_point_create_raw(base, tube->sr,   in tube_setup_bg_listen()