| /* |
| * Copyright (c) 2016 Google Inc. 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 8156584 |
| * @modules java.base/sun.security.x509 |
| * @summary AlgorithmId.get initialization thread safety |
| * @run main/othervm OidTableInit |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import sun.security.x509.AlgorithmId; |
| |
| public class OidTableInit { |
| public static void main(String[] args) throws Throwable { |
| final String[] algorithmNames = { |
| "PBKDF2WITHHMACSHA1", |
| "PBEWITHMD5ANDDES", |
| "DSA", |
| "SHA384WITHRSA", |
| "RSA", |
| "SHA1WITHDSA", |
| "SHA512WITHRSA", |
| "MD2WITHRSA", |
| "PBEWITHSHA1ANDDESEDE", |
| "SHA1WITHRSA", |
| "DIFFIEHELLMAN", |
| "MD5WITHRSA", |
| "PBEWITHSHA1ANDRC2_40", |
| "SHA256WITHRSA", |
| }; |
| |
| final int THREADS = 2; |
| final ExecutorService pool = Executors.newFixedThreadPool(THREADS); |
| final CountDownLatch startingGate = new CountDownLatch(THREADS); |
| final Runnable r = new Runnable() { public void run() { |
| startingGate.countDown(); |
| do {} while (startingGate.getCount() > 0); |
| try { |
| for (String algorithmName : algorithmNames) |
| AlgorithmId.get(algorithmName); |
| } catch (Throwable fail) { |
| throw new AssertionError(fail); |
| } |
| }}; |
| final ArrayList<Future<?>> futures = new ArrayList<>(); |
| for (int i = 0; i < THREADS; i++) |
| futures.add(pool.submit(r)); |
| pool.shutdown(); |
| for (Future<?> future : futures) future.get(); |
| } |
| } |