| /* |
| * Copyright (c) 2019, 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 8231387 |
| * @library ../testlibrary |
| * @summary make sure getService() avoids a race |
| * @author Tianmin Shi |
| */ |
| |
| import java.security.Provider; |
| |
| public class GetServiceRace { |
| |
| private static final Provider testProvider; |
| static { |
| testProvider = new Provider("MyProvider", 1.0, "test") { |
| }; |
| testProvider.put("CertificateFactory.Fixed", "MyCertificateFactory"); |
| } |
| |
| private static final int NUMBER_OF_RETRIEVERS = 3; |
| private static final int TEST_TIME_MS = 1000; |
| |
| public static boolean testFailed = false; |
| |
| public static void main(String[] args) throws Exception { |
| Updater updater = new Updater(); |
| updater.start(); |
| Retriever [] retrievers = new Retriever[NUMBER_OF_RETRIEVERS]; |
| for (int i=0; i<retrievers.length; i++) { |
| retrievers[i] = new Retriever(); |
| retrievers[i].start(); |
| } |
| Thread.sleep(TEST_TIME_MS); |
| System.out.println("Interrupt"); |
| updater.interrupt(); |
| updater.join(); |
| for (int i=0; i<retrievers.length; i++) { |
| retrievers[i].interrupt(); |
| retrievers[i].join(); |
| } |
| System.out.println("Done"); |
| if (testFailed) { |
| throw new Exception("Test Failed"); |
| } |
| System.out.println("Test Passed"); |
| } |
| |
| private static class Updater extends Thread { |
| @Override |
| public void run() { |
| while (!isInterrupted()) { |
| testProvider.put("CertificateFactory.Added", "MyCertificateFactory"); |
| } |
| System.out.println("Updater stopped"); |
| } |
| } |
| |
| private static class Retriever extends Thread { |
| @Override |
| public void run() { |
| while (!isInterrupted()) { |
| Provider.Service service = testProvider.getService("CertificateFactory", "Fixed"); |
| if (service == null) { |
| if (!testFailed) { |
| System.err.println("CertificateFactory.Fixed is NULL"); |
| testFailed = true; |
| } |
| } else { |
| //System.out.println("CertificateFactory.Fixed is good"); |
| } |
| } |
| System.out.println("Retriever stopped"); |
| } |
| } |
| } |