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/*
* Copyright (c) 2003, 2021, 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.
*/
package nsk.jvmti.unit.timers;
import java.io.PrintStream;
import java.util.*;
public class JvmtiTest {
final static int JCK_STATUS_BASE = 95;
final static int THREADS_LIMIT = 5;
final static String NAME_PREFIX = "JvmtiTest-";
static Object counterLock = new Object();
static int counter = 0;
static Object finalLock = new Object();
static {
try {
System.loadLibrary("timers");
} catch (UnsatisfiedLinkError ule) {
System.err.println("Could not load timers library");
System.err.println("java.library.path:"
+ System.getProperty("java.library.path"));
throw ule;
}
}
native static int GetResult();
native static void RegisterCompletedThread(Thread thread,
int threadNumber, int iterationCount);
native static void Analyze();
static volatile int thrCount = 0;
public static void main(String args[]) {
args = nsk.share.jvmti.JVMTITest.commonInit(args);
// produce JCK-like exit status.
System.exit(run(args, System.out) + JCK_STATUS_BASE);
}
public static int run(String args[], PrintStream out) {
TestThread t[] = new TestThread[THREADS_LIMIT+1];
synchronized(counterLock) {
for (int i=1; i <= THREADS_LIMIT; i++) {
t[i] = new TestThread(NAME_PREFIX + i, i, i * 100);
t[i].start();
}
try {
while (counter < THREADS_LIMIT) {
counterLock.wait();
}
} catch (InterruptedException exc) {
throw new Error("Unexpected: " + exc);
}
}
// all thread waiting to exit now
Analyze();
synchronized(finalLock) {
// let them finish
finalLock.notifyAll();
}
try {
for (int i=1; i <= THREADS_LIMIT; i++) {
t[i].join();
}
} catch (InterruptedException e) {
throw new Error("Unexpected: " + e);
}
return GetResult();
}
static void completeThread() {
try {
synchronized(finalLock) {
synchronized(counterLock) {
++counter;
counterLock.notifyAll();
}
finalLock.wait();
}
} catch (InterruptedException exc) {
throw new Error("Unexpected: " + exc);
}
}
static class TestThread extends Thread {
int threadNumber;
int iterations;
public TestThread(String name, int threadNumber, int iterations) {
super(name);
this.threadNumber = threadNumber;
this.iterations = iterations;
}
public void run() {
for (int i = iterations; i > 0; --i) {
List<Integer> list = new ArrayList<Integer>();
for (int j = 10000; j > 0; --j) {
list.add(Integer.valueOf(j));
}
Collections.sort(list);
}
JvmtiTest.RegisterCompletedThread(this, threadNumber, iterations);
JvmtiTest.completeThread();
}
}
}
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