--- /dev/null 2018-06-20 11:01:03.657616567 -0700 +++ new/src/jdk.net/share/classes/rdma/ch/RdmaPollSelectorProvider.java 2018-06-22 12:23:56.746671932 -0700 @@ -0,0 +1,66 @@ +/* + * 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.*; +import java.nio.channels.spi.*; +import sun.nio.ch.SelectorProviderImpl; +import java.security.AccessController; +import java.security.PrivilegedAction; + +public class RdmaPollSelectorProvider + extends SelectorProviderImpl +{ + private static final Object lock = new Object(); + private static SelectorProvider provider = null; + + public static SelectorProvider provider() { + synchronized (lock) { + if (provider != null) + return provider; + return AccessController.doPrivileged( + new PrivilegedAction<>() { + public SelectorProvider run() { + provider = new RdmaPollSelectorProvider(); + return provider; + } + }); + } + } + + public AbstractSelector openSelector() throws IOException { + return new RdmaPollSelectorImpl(this); + } + + public SocketChannel openSocketChannel() throws IOException { + return new RdmaSocketChannelImpl(this); + } + + public ServerSocketChannel openServerSocketChannel() throws IOException { + return new RdmaServerSocketChannelImpl(this); + } +}