--- /dev/null 2018-06-30 13:49:24.634979840 -0700
+++ new/src/jdk.net/linux/classes/rdma/ch/RdmaSocketOutputStream.java 2018-06-30 14:07:20.662167001 -0700
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 1995, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package rdma.ch;
+
+import java.io.FileDescriptor;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+import java.net.Socket;
+import java.net.SocketException;
+
+class RdmaSocketOutputStream extends FileOutputStream
+{
+ static {
+ init();
+ }
+
+ private RdmaSocketImpl impl = null;
+ private byte temp[] = new byte[1];
+ private Socket socket = null;
+
+ RdmaSocketOutputStream(RdmaSocketImpl impl) throws IOException {
+ super(impl.getFileDescriptor());
+ this.impl = impl;
+ socket = impl.getSocket();
+ }
+
+ public final FileChannel getChannel() {
+ return null;
+ }
+
+ /**
+ * Writes to the socket.
+ * @param fd the FileDescriptor
+ * @param b the data to be written
+ * @param off the start offset in the data
+ * @param len the number of bytes that are written
+ * @exception IOException If an I/O error has occurred.
+ */
+ private native void rdmaSocketWrite0(FileDescriptor fd, byte[] b, int off,
+ int len) throws IOException;
+
+ /**
+ * Writes to the socket with appropriate locking of the
+ * FileDescriptor.
+ * @param b the data to be written
+ * @param off the start offset in the data
+ * @param len the number of bytes that are written
+ * @exception IOException If an I/O error has occurred.
+ */
+ private void rdmaSocketWrite(byte b[], int off, int len) throws IOException {
+
+
+ if (len <= 0 || off < 0 || len > b.length - off) {
+ if (len == 0) {
+ return;
+ }
+ throw new ArrayIndexOutOfBoundsException("len == " + len
+ + " off == " + off + " buffer length == " + b.length);
+ }
+
+ FileDescriptor fd = impl.acquireFD();
+ try {
+ rdmaSocketWrite0(fd, b, off, len);
+ } catch (SocketException se) {
+ if (se instanceof sun.net.ConnectionResetException) {
+ impl.setConnectionResetPending();
+ se = new SocketException("Connection reset");
+ }
+ if (impl.isClosedOrPending()) {
+ throw new SocketException("Socket closed");
+ } else {
+ throw se;
+ }
+ } finally {
+ impl.releaseFD();
+ }
+ }
+
+ /**
+ * Writes a byte to the socket.
+ * @param b the data to be written
+ * @exception IOException If an I/O error has occurred.
+ */
+ public void write(int b) throws IOException {
+ temp[0] = (byte)b;
+ rdmaSocketWrite(temp, 0, 1);
+ }
+
+ /**
+ * Writes the contents of the buffer b to the socket.
+ * @param b the data to be written
+ * @exception SocketException If an I/O error has occurred.
+ */
+ public void write(byte b[]) throws IOException {
+ rdmaSocketWrite(b, 0, b.length);
+ }
+
+ /**
+ * Writes length bytes from buffer b starting at
+ * offset len.
+ * @param b the data to be written
+ * @param off the start offset in the data
+ * @param len the number of bytes that are written
+ * @exception SocketException If an I/O error has occurred.
+ */
+ public void write(byte b[], int off, int len) throws IOException {
+ rdmaSocketWrite(b, off, len);
+ }
+
+ /**
+ * Closes the stream.
+ */
+ private boolean closing = false;
+ public void close() throws IOException {
+ if (closing)
+ return;
+ closing = true;
+ if (socket != null) {
+ if (!socket.isClosed())
+ socket.close();
+ } else
+ impl.close();
+ closing = false;
+ }
+
+ /**
+ * Perform class load-time initializations.
+ */
+ private static native void init();
+
+}