148 lines
5.0 KiB
Java
148 lines
5.0 KiB
Java
/*
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* Copyright (c) 2002, 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.jdb.interrupt.interrupt001;
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import nsk.share.*;
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import nsk.share.jdb.*;
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import java.io.*;
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import java.util.concurrent.Semaphore;
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import java.util.concurrent.atomic.AtomicInteger;
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/* This is debuggee aplication */
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public class interrupt001a {
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private class MyThread extends Thread {
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final Object lock;
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int ind;
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String name;
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public MyThread (Object l, int i, String n) {
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lock = l;
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ind = i;
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name = n;
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}
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public void run() {
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synchronized (lock) {
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synchronized (waitnotify) {
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threadRunning = true;
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waitnotify.notify();
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}
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try {
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flags[ind] = false;
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while (!flags[ind]) {
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lock.wait();
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}
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} catch (InterruptedException e) {
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notInterrupted.decrementAndGet();
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synchronized (waitnotify) {
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waitnotify.notify();
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}
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}
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}
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}
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}
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public static void main(String args[]) {
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interrupt001a _interrupt001a = new interrupt001a();
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System.exit(interrupt001.JCK_STATUS_BASE + _interrupt001a.runIt(args, System.out));
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}
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static void breakHere () {}
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static final String MYTHREAD = "MyThread";
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static final int numThreads = 5; // number of threads
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static volatile boolean allWorkersAreWaiting = false;
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private final Object waitnotify = new Object();
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private volatile boolean threadRunning;
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private volatile boolean[] flags = new boolean[numThreads];
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private JdbArgumentHandler argumentHandler;
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private Log log;
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public static final AtomicInteger notInterrupted = new AtomicInteger(numThreads);
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public int runIt(String args[], PrintStream out) {
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argumentHandler = new JdbArgumentHandler(args);
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log = new Log(out, argumentHandler);
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int i;
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Thread[] holder = new Thread[numThreads];
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Object[] locks = new Object[numThreads];
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for (i = 0; i < numThreads ; i++) {
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locks[i] = new Object();
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holder[i] = new MyThread(locks[i], i, MYTHREAD + "-" + i);
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}
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synchronized (waitnotify) {
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for (i = 0; i < numThreads ; i++) {
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holder[i].start();
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try {
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threadRunning = false;
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while (!threadRunning) {
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waitnotify.wait();
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}
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} catch (InterruptedException e) {
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log.complain("Main thread was interrupted while waiting for start of " + MYTHREAD + "-" + i);
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return interrupt001.FAILED;
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}
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}
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}
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// allWorkersAreWaiting will be set to true by the debugger thread
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// when it sees all of the worker treads are waiting.
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do {
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breakHere(); // a break to get thread ids and then to interrupt MyThreads.
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} while (!allWorkersAreWaiting);
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long waitTime = argumentHandler.getWaitTime() * 60 * 1000;
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long startTime = System.currentTimeMillis();
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while (notInterrupted.get() > 0 && System.currentTimeMillis() - startTime <= waitTime) {
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synchronized (waitnotify) {
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try {
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waitnotify.wait(waitTime);
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} catch (InterruptedException e) {
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log.display("Main thread was interrupted while waiting");
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}
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}
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}
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for (i = 0; i < numThreads ; i++) {
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if (holder[i].isAlive()) {
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synchronized (locks[i]) {
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flags[i] = true;
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locks[i].notifyAll();
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}
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}
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}
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breakHere(); // a break to check if MyThreads were interrupted
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log.display("Debuggee PASSED");
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return interrupt001.PASSED;
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}
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}
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