640a2afda3
Co-authored-by: Lance Andersen <lancea@openjdk.org> Co-authored-by: Weijun Wang <weijun@openjdk.org> Reviewed-by: dholmes, alanb, dfuchs, mchung, mullan, prr
98 lines
3.6 KiB
Java
98 lines
3.6 KiB
Java
/*
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* Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4607272
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* @summary tests tasks can be submitted to a channel group's thread pool.
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* @library /test/lib bootlib
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* @build PrivilegedThreadFactory Attack
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* jdk.test.lib.util.JarUtils
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* @run driver SetupJar
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* @run main/othervm -Xbootclasspath/a:privileged.jar -Djava.security.manager=allow AsExecutor
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*/
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import java.nio.channels.AsynchronousChannelGroup;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ThreadFactory;
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public class AsExecutor {
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public static void main(String[] args) throws Exception {
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// create channel groups
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ThreadFactory factory = new PrivilegedThreadFactory();
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AsynchronousChannelGroup group1 = AsynchronousChannelGroup
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.withFixedThreadPool(5, factory);
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AsynchronousChannelGroup group2 = AsynchronousChannelGroup
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.withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
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AsynchronousChannelGroup group3 = AsynchronousChannelGroup
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.withThreadPool(Executors.newFixedThreadPool(10, factory));
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try {
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// execute simple tasks
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testSimpleTask(group1);
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testSimpleTask(group2);
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testSimpleTask(group3);
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// install security manager and test again
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System.setSecurityManager( new SecurityManager() );
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testSimpleTask(group1);
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testSimpleTask(group2);
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testSimpleTask(group3);
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// attempt to execute tasks that run with only frames from boot
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// class loader on the stack.
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testAttackingTask(group1);
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testAttackingTask(group2);
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testAttackingTask(group3);
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} finally {
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group1.shutdown();
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group2.shutdown();
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group3.shutdown();
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}
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}
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static void testSimpleTask(AsynchronousChannelGroup group) throws Exception {
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Executor executor = (Executor)group;
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final CountDownLatch latch = new CountDownLatch(1);
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executor.execute(new Runnable() {
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public void run() {
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latch.countDown();
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}
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});
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latch.await();
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}
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static void testAttackingTask(AsynchronousChannelGroup group) throws Exception {
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Executor executor = (Executor)group;
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Attack task = new Attack();
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executor.execute(task);
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task.waitUntilDone();
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if (!task.failedDueToSecurityException())
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throw new RuntimeException("SecurityException expected");
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}
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}
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