574 static int copyfd_io_poll(int infd, int peerfd, int outfd, bool *in_closed_after_out)  in copyfd_io_poll()  argument
577 		.fd = peerfd,  in copyfd_io_poll()
583 	set_nonblock(peerfd, true);  in copyfd_io_poll()
612 				len = read(peerfd, rbuf, rb);  in copyfd_io_poll()
614 				len = do_rnd_read(peerfd, rbuf, sizeof(rbuf));  in copyfd_io_poll()
653 				bw = do_rnd_write(peerfd, wbuf + woff, wlen);  in copyfd_io_poll()
672 				shut_wr(peerfd);  in copyfd_io_poll()
792 static int copyfd_io_mmap(int infd, int peerfd, int outfd,  in copyfd_io_mmap()  argument
798 		err = do_recvfile(peerfd, outfd);  in copyfd_io_mmap()
802 		err = do_mmap(infd, peerfd, size);  in copyfd_io_mmap()
804 		err = do_mmap(infd, peerfd, size);  in copyfd_io_mmap()
808 		shut_wr(peerfd);  in copyfd_io_mmap()
810 		err = do_recvfile(peerfd, outfd);  in copyfd_io_mmap()
817 static int copyfd_io_sendfile(int infd, int peerfd, int outfd,  in copyfd_io_sendfile()  argument
823 		err = do_recvfile(peerfd, outfd);  in copyfd_io_sendfile()
827 		err = do_sendfile(infd, peerfd, size);  in copyfd_io_sendfile()
829 		err = do_sendfile(infd, peerfd, size);  in copyfd_io_sendfile()
833 		shut_wr(peerfd);  in copyfd_io_sendfile()
835 		err = do_recvfile(peerfd, outfd);  in copyfd_io_sendfile()
842 static int copyfd_io(int infd, int peerfd, int outfd, bool close_peerfd)  in copyfd_io()  argument
854 		ret = copyfd_io_poll(infd, peerfd, outfd, &in_closed_after_out);  in copyfd_io()
861 		ret = copyfd_io_mmap(infd, peerfd, outfd, file_size, &in_closed_after_out);  in copyfd_io()
868 		ret = copyfd_io_sendfile(infd, peerfd, outfd, file_size, &in_closed_after_out);  in copyfd_io()
882 		close(peerfd);  in copyfd_io()