--- /dev/null	2018-06-30 13:49:24.634979840 -0700
+++ new/src/jdk.net/linux/classes/rdma/ch/RdmaPollSelectorImpl.java	2018-06-30 14:07:16.519167163 -0700
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2001, 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.IOException;
+import java.nio.channels.spi.SelectorProvider;
+import sun.nio.ch.PollSelectorImpl;
+import sun.nio.ch.IOUtil;
+
+import jdk.internal.misc.Unsafe;
+
+/**
+ * Selector implementation based on poll
+ */
+
+public class RdmaPollSelectorImpl extends PollSelectorImpl {
+
+    protected RdmaPollSelectorImpl(SelectorProvider sp) throws IOException {
+        super(sp);
+    }
+
+    protected int poll(long pollAddress, int numfds, int timeout) {
+        return poll0(pollAddress, numfds, timeout);
+    }
+
+    private static native int poll0(long pollAddress, int numfds, int timeout);
+
+    static {
+        java.security.AccessController.doPrivileged(
+            new java.security.PrivilegedAction<>() {
+                public Void run() {
+                    System.loadLibrary("extnet");
+                    return null;
+                }
+            });
+        IOUtil.load();
+    }
+}