/* * Copyright (c) 2017, 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. * * 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. */ /* @test * @bug 8184157 * @summary Ensure that correct PendingFuture is used in Iocp completion status event handler * @requires (os.family == "windows") */ import java.nio.ByteBuffer; import java.nio.channels.AsynchronousFileChannel; import java.nio.channels.FileLock; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import static java.nio.file.StandardOpenOption.*; public class PendingIoCacheRace { public static void main(String[] args) throws Exception { Path d = Paths.get(System.getProperty("test.dir", ".")); Path p = Files.createTempFile(d, "tmp", null); for (int i=0; i < 1000; i++) { AsynchronousFileChannel f = AsynchronousFileChannel.open (p, READ, WRITE, CREATE); FileLock l = f.lock().get(); f.read(ByteBuffer.allocate(16), 0).get(); f.write(ByteBuffer.allocate(16), 0).get(); l.release(); f.close(); Files.delete(p); } } }