156 lines
4.3 KiB
Java
156 lines
4.3 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.wherei.wherei001;
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import nsk.share.*;
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import nsk.share.jpda.*;
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import nsk.share.jdb.*;
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import java.io.*;
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/* This is debuggee aplication */
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public class wherei001a {
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public static void main(String args[]) {
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wherei001a _wherei001a = new wherei001a();
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System.exit(wherei001.JCK_STATUS_BASE + _wherei001a.runIt(args, System.out));
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}
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static void lastBreak () {}
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static int numThreads = 5; // number of threads. one lock per thread.
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static Object lock = new Object();
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static Object waitnotify = new Object();
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static JdbArgumentHandler argumentHandler;
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static Log log;
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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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Lock locks[] = new Lock[numThreads];
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for (i = 0; i < numThreads ; i++) {
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locks[i] = new Lock();
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holder[i] = new MyThread(locks[i],"MyThread-" + i);
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}
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// lock monitor to prevent threads from finishing after they started
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synchronized (lock) {
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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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waitnotify.wait();
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} catch ( Exception e ) {
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log.complain("TEST ERROR: caught Exception while waiting: " + e);
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e.printStackTrace();
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}
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}
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}
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lastBreak();
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}
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log.display("Debuggee PASSED");
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return wherei001.PASSED;
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}
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}
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class MyThread extends Thread {
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Lock lock;
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String name;
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// Concatenate strings in advance to avoid lambda calculations later
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final String ThreadFinished = "Thread finished: " + this.name;
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public MyThread (Lock l, String n) {
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this.lock = l;
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name = n;
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}
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public void run() {
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int square = func1(100);
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wherei001a.log.display(name + " returns " + square);
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lock.releaseLock();
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}
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public int func1(int i) {
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char x1 = 'x';
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String s1 = "hello world";
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return func2(i);
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}
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public int func2(int i) {
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char x2 = 'x';
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String s2 = "hello world";
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return func3(i);
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}
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public int func3(int i) {
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char x3 = 'x';
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String s3 = "hello world";
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return func4(i);
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}
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public int func4(int i) {
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char x4 = 'x';
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String s4 = "hello world";
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return func5(i);
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}
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public int func5(int i) {
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char x5 = 'x';
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String s5 = "hello world";
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synchronized (wherei001a.waitnotify) {
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wherei001a.waitnotify.notify();
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}
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// prevent thread for early finish
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synchronized (wherei001a.lock) {
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wherei001a.log.display(ThreadFinished);
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}
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return i*i;
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}
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}
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class Lock {
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boolean lockSet;
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synchronized void setLock() throws InterruptedException {
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while (lockSet == true ) {
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wait();
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}
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lockSet = true;
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}
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synchronized void releaseLock() {
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if (lockSet == true) {
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lockSet = false;
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notify();
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}
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}
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}
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