| /* |
| * Copyright (c) 2002, 2018, 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.jdb.interrupt.interrupt001; |
| |
| import nsk.share.*; |
| import nsk.share.jdb.*; |
| |
| import java.io.*; |
| import java.util.concurrent.Semaphore; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /* This is debuggee aplication */ |
| public class interrupt001a { |
| private class MyThread extends Thread { |
| final Object lock; |
| int ind; |
| String name; |
| |
| public MyThread (Object l, int i, String n) { |
| lock = l; |
| ind = i; |
| name = n; |
| } |
| |
| public void run() { |
| synchronized (lock) { |
| synchronized (waitnotify) { |
| threadRunning = true; |
| waitnotify.notify(); |
| } |
| |
| try { |
| flags[ind] = false; |
| while (!flags[ind]) { |
| lock.wait(); |
| } |
| } catch (InterruptedException e) { |
| notInterrupted.decrementAndGet(); |
| synchronized (waitnotify) { |
| waitnotify.notify(); |
| } |
| } |
| } |
| } |
| } |
| |
| public static void main(String args[]) { |
| interrupt001a _interrupt001a = new interrupt001a(); |
| System.exit(interrupt001.JCK_STATUS_BASE + _interrupt001a.runIt(args, System.out)); |
| } |
| |
| static void breakHere () {} |
| |
| static final String MYTHREAD = "MyThread"; |
| static final int numThreads = 5; // number of threads |
| static volatile boolean allWorkersAreWaiting = false; |
| |
| private final Object waitnotify = new Object(); |
| private volatile boolean threadRunning; |
| private volatile boolean[] flags = new boolean[numThreads]; |
| |
| private JdbArgumentHandler argumentHandler; |
| private Log log; |
| |
| public static final AtomicInteger notInterrupted = new AtomicInteger(numThreads); |
| |
| public int runIt(String args[], PrintStream out) { |
| |
| argumentHandler = new JdbArgumentHandler(args); |
| log = new Log(out, argumentHandler); |
| |
| int i; |
| Thread[] holder = new Thread[numThreads]; |
| Object[] locks = new Object[numThreads]; |
| |
| for (i = 0; i < numThreads ; i++) { |
| locks[i] = new Object(); |
| holder[i] = new MyThread(locks[i], i, MYTHREAD + "-" + i); |
| } |
| |
| synchronized (waitnotify) { |
| for (i = 0; i < numThreads ; i++) { |
| holder[i].start(); |
| try { |
| threadRunning = false; |
| while (!threadRunning) { |
| waitnotify.wait(); |
| } |
| } catch (InterruptedException e) { |
| log.complain("Main thread was interrupted while waiting for start of " + MYTHREAD + "-" + i); |
| return interrupt001.FAILED; |
| } |
| } |
| } |
| |
| // allWorkersAreWaiting will be set to true by the debugger thread |
| // when it sees all of the worker treads are waiting. |
| do { |
| breakHere(); // a break to get thread ids and then to interrupt MyThreads. |
| } while (!allWorkersAreWaiting); |
| |
| long waitTime = argumentHandler.getWaitTime() * 60 * 1000; |
| long startTime = System.currentTimeMillis(); |
| while (notInterrupted.get() > 0 && System.currentTimeMillis() - startTime <= waitTime) { |
| synchronized (waitnotify) { |
| try { |
| waitnotify.wait(waitTime); |
| } catch (InterruptedException e) { |
| log.display("Main thread was interrupted while waiting"); |
| } |
| } |
| } |
| for (i = 0; i < numThreads ; i++) { |
| if (holder[i].isAlive()) { |
| synchronized (locks[i]) { |
| flags[i] = true; |
| locks[i].notifyAll(); |
| } |
| } |
| } |
| breakHere(); // a break to check if MyThreads were interrupted |
| |
| log.display("Debuggee PASSED"); |
| return interrupt001.PASSED; |
| } |
| } |