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/*
* Copyright (c) 2002, 2024, 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.jdi.ObjectReference.waitingThreads;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;
/**
* The debugged applcation of the test.
*/
public class waitingthreads004a {
//------------------------------------------------------- immutable common fields
private static int exitStatus;
private static ArgumentHandler argHandler;
private static Log log;
private static IOPipe pipe;
//------------------------------------------------------- immutable common methods
static void display(String msg) {
log.display("debuggee > " + msg);
}
static void complain(String msg) {
log.complain("debuggee FAILURE > " + msg);
}
public static void receiveSignal(String signal) {
String line = pipe.readln();
if ( !line.equals(signal) )
throw new Failure("UNEXPECTED debugger's signal " + line);
display("debuger's <" + signal + "> signal received.");
}
//------------------------------------------------------ mutable common fields
//------------------------------------------------------ test specific fields
static Object waitnotifyObj = new Object();
static Object lockingObject = new Object();
static final int threadCount = 5;
static final String threadNamePrefix = "MyThread-";
static waitingthreads004aThread[] threads = new waitingthreads004aThread[threadCount];
static long waitTime;
//------------------------------------------------------ mutable common method
public static void main (String argv[]) {
exitStatus = Consts.TEST_PASSED;
argHandler = new ArgumentHandler(argv);
log = new Log(System.err, argHandler);
pipe = argHandler.createDebugeeIOPipe(log);
waitTime = argHandler.getWaitTime() * 60000;
pipe.println(waitingthreads004.SIGNAL_READY);
try {
synchronized (waitnotifyObj) {
display("entered: synchronized (waitnotifyObj) {}");
for (int i = 0; i < threadCount; i++) {
threads[i] = new waitingthreads004aThread(threadNamePrefix + i);
threads[i].start();
try {
waitnotifyObj.wait();
} catch (InterruptedException e) {
throw new Failure("Unexpected InterruptedException while waiting for " + threadNamePrefix + i + " start");
}
}
pipe.println(waitingthreads004.SIGNAL_GO);
receiveSignal(waitingthreads004.SIGNAL_GO);
}
display("exited: synchronized (waitnotifyObj) {}");
synchronized (lockingObject) {
display("entered and notifyAll: synchronized (lockingObject) {}");
lockingObject.notifyAll();
// tested thread must be blocked on re-entering monitor in lockingObject.wait()
pipe.println(waitingthreads004.SIGNAL_GO);
receiveSignal(waitingthreads004.SIGNAL_QUIT);
}
display("exited: synchronized (lockingObject) {}");
for (int i = 0; i < threadCount; i++) {
if (threads[i].isAlive()) {
try {
threads[i].join(waitTime);
} catch (InterruptedException e) {
throw new Failure("Unexpected InterruptedException while waiting for " + threadNamePrefix + i + " join");
}
}
}
// receiveSignal(waitingthreads004.SIGNAL_QUIT);
display("completed succesfully.");
System.exit(exitStatus + Consts.JCK_STATUS_BASE);
} catch (Failure e) {
log.complain(e.getMessage());
System.exit(Consts.TEST_FAILED + Consts.JCK_STATUS_BASE);
}
}
//--------------------------------------------------------- test specific methods
}
//--------------------------------------------------------- test specific classes
class waitingthreads004aThread extends Thread {
public waitingthreads004aThread(String threadName) {
super(threadName);
}
public void run() {
synchronized (waitingthreads004a.lockingObject) {
display("entered and waiting: synchronized (lockingObject)");
synchronized (waitingthreads004a.waitnotifyObj) {
waitingthreads004a.waitnotifyObj.notifyAll();
}
try {
waitingthreads004a.lockingObject.wait(waitingthreads004a.waitTime);
} catch (InterruptedException e) {
throw new Failure("Unexpected InterruptedException while waiting in " + Thread.currentThread().getName());
}
}
display("exited: synchronized (lockingObject)");
}
private void display (String str) {
waitingthreads004a.display(Thread.currentThread().getName() + " : " + str);
}
}
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