--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.net/linux/classes/jdk/internal/net/rdma/RdmaSocketDispatcher.java	Sat Jan 26 14:02:35 2019 +0000
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 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 jdk.internal.net.rdma;
+
+import java.io.FileDescriptor;
+import java.io.IOException;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import sun.nio.ch.SocketDispatcher;
+
+/**
+ * Allows different platforms to call different native methods
+ * for read and write operations.
+ */
+
+public class RdmaSocketDispatcher extends SocketDispatcher
+{
+    protected int read(FileDescriptor fd, long address, int len)
+            throws IOException {
+        return LinuxRdmaSocketDispatcherImpl.read0(fd, address, len);
+    }
+
+    protected long readv(FileDescriptor fd, long address, int len)
+            throws IOException {
+        return LinuxRdmaSocketDispatcherImpl.readv0(fd, address, len);
+    }
+
+    protected int write(FileDescriptor fd, long address, int len)
+            throws IOException {
+        return LinuxRdmaSocketDispatcherImpl.write0(fd, address, len);
+    }
+
+    protected long writev(FileDescriptor fd, long address, int len)
+            throws IOException {
+        return LinuxRdmaSocketDispatcherImpl.writev0(fd, address, len);
+    }
+
+    protected void close(FileDescriptor fd) throws IOException {
+        LinuxRdmaSocketDispatcherImpl.close0(fd);
+    }
+
+    public void preClose(FileDescriptor fd) throws IOException {
+        /* With RDMA socket channels, no need to do preClose */
+    }
+}