135 lines
4.2 KiB
Java
135 lines
4.2 KiB
Java
/*
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* Copyright (c) 2003, 2018, 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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package nsk.jvmti.unit.timers;
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import java.io.PrintStream;
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import java.util.*;
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public class JvmtiTest {
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final static int JCK_STATUS_BASE = 95;
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final static int THREADS_LIMIT = 5;
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final static String NAME_PREFIX = "JvmtiTest-";
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static Object counterLock = new Object();
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static int counter = 0;
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static Object finalLock = new Object();
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static {
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try {
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System.loadLibrary("timers");
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} catch (UnsatisfiedLinkError ule) {
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System.err.println("Could not load timers library");
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System.err.println("java.library.path:"
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+ System.getProperty("java.library.path"));
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throw ule;
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}
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}
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native static int GetResult();
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native static void RegisterCompletedThread(Thread thread,
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int threadNumber, int iterationCount);
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native static void Analyze();
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static volatile int thrCount = 0;
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public static void main(String args[]) {
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args = nsk.share.jvmti.JVMTITest.commonInit(args);
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// produce JCK-like exit status.
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System.exit(run(args, System.out) + JCK_STATUS_BASE);
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}
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public static int run(String args[], PrintStream out) {
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TestThread t[] = new TestThread[THREADS_LIMIT+1];
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synchronized(counterLock) {
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for (int i=1; i <= THREADS_LIMIT; i++) {
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t[i] = new TestThread(NAME_PREFIX + i, i, i * 100);
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t[i].start();
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}
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try {
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while (counter < THREADS_LIMIT) {
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counterLock.wait();
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}
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} catch (InterruptedException exc) {
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throw new Error("Unexpected: " + exc);
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}
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}
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// all thread waiting to exit now
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Analyze();
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synchronized(finalLock) {
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// let them finish
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finalLock.notifyAll();
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}
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try {
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for (int i=1; i <= THREADS_LIMIT; i++) {
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t[i].join();
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}
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} catch (InterruptedException e) {
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throw new Error("Unexpected: " + e);
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}
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return GetResult();
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}
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static void completeThread() {
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try {
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synchronized(finalLock) {
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synchronized(counterLock) {
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++counter;
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counterLock.notifyAll();
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}
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finalLock.wait();
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}
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} catch (InterruptedException exc) {
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throw new Error("Unexpected: " + exc);
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}
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}
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static class TestThread extends Thread {
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int threadNumber;
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int iterations;
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public TestThread(String name, int threadNumber, int iterations) {
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super(name);
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this.threadNumber = threadNumber;
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this.iterations = iterations;
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}
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public void run() {
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for (int i = iterations; i > 0; --i) {
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List<Integer> list = new ArrayList<Integer>();
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for (int j = 10000; j > 0; --j) {
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list.add(new Integer(j));
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}
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Collections.sort(list);
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}
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JvmtiTest.RegisterCompletedThread(this, threadNumber, iterations);
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JvmtiTest.completeThread();
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}
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}
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}
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