616 static int copyfd_io_poll(int infd, int peerfd, int outfd,  in copyfd_io_poll()  argument
620 		.fd = peerfd,  in copyfd_io_poll()
625 	set_nonblock(peerfd, true);  in copyfd_io_poll()
654 				len = read(peerfd, rbuf, rb);  in copyfd_io_poll()
656 				len = do_rnd_read(peerfd, rbuf, sizeof(rbuf));  in copyfd_io_poll()
695 				bw = do_rnd_write(peerfd, winfo->buf + winfo->off, winfo->len);  in copyfd_io_poll()
714 				shut_wr(peerfd);  in copyfd_io_poll()
862 static int copyfd_io_mmap(int infd, int peerfd, int outfd,  in copyfd_io_mmap()  argument
869 		err = do_recvfile(peerfd, outfd);  in copyfd_io_mmap()
873 		err = do_mmap(infd, peerfd, size, winfo);  in copyfd_io_mmap()
875 		err = do_mmap(infd, peerfd, size, winfo);  in copyfd_io_mmap()
879 		shut_wr(peerfd);  in copyfd_io_mmap()
881 		err = do_recvfile(peerfd, outfd);  in copyfd_io_mmap()
888 static int copyfd_io_sendfile(int infd, int peerfd, int outfd,  in copyfd_io_sendfile()  argument
894 		err = do_recvfile(peerfd, outfd);  in copyfd_io_sendfile()
898 		err = do_sendfile(infd, peerfd, size, winfo);  in copyfd_io_sendfile()
900 		err = do_sendfile(infd, peerfd, size, winfo);  in copyfd_io_sendfile()
904 		shut_wr(peerfd);  in copyfd_io_sendfile()
906 		err = do_recvfile(peerfd, outfd);  in copyfd_io_sendfile()
913 static int copyfd_io(int infd, int peerfd, int outfd, bool close_peerfd, struct wstate *winfo)  in copyfd_io()  argument
925 		ret = copyfd_io_poll(infd, peerfd, outfd, &in_closed_after_out,  in copyfd_io()
933 		ret = copyfd_io_mmap(infd, peerfd, outfd, file_size,  in copyfd_io()
941 		ret = copyfd_io_sendfile(infd, peerfd, outfd, file_size,  in copyfd_io()
956 		close(peerfd);  in copyfd_io()