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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.jdb.kill.kill001;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdb.*;
import nsk.share.jdi.JDIThreadFactory;
import jdk.test.lib.thread.VThreadPinner;
import java.io.*;
import java.util.*;
/* This is debuggee aplication */
public class kill001a {
public static void main(String args[]) {
kill001a _kill001a = new kill001a();
System.exit(kill001.JCK_STATUS_BASE + _kill001a.runIt(args, System.out));
}
static void breakHere () {}
static final String MYTHREAD = nsk.jdb.kill.kill001.kill001.MYTHREAD;
static final int numThreads = 5; // number of threads. one lock per thread.
static Object lock = new Object();
static Object waitnotify = new Object();
public static volatile int killed = 0;
static final String message = "kill001a's Exception";
static int waitTime;
static JdbArgumentHandler argumentHandler;
static Log log;
static final Throwable[] exceptions = {
new ThreadDeath(),
new NullPointerException(message),
new SecurityException(message),
new com.sun.jdi.IncompatibleThreadStateException(message),
new MyException(message)
};
public int runIt(String args[], PrintStream out) {
argumentHandler = new JdbArgumentHandler(args);
log = new Log(out, argumentHandler);
waitTime = argumentHandler.getWaitTime() * 60 * 1000;
int i;
Thread holder [] = new Thread[numThreads];
for (i = 0; i < numThreads ; i++) {
String name = MYTHREAD + "-" + i;
holder[i] = JDIThreadFactory.newThread(new MyThread(name, exceptions[i]), name);
}
// lock monitor to prevent threads from finishing after they started
synchronized (lock) {
synchronized (waitnotify) {
for (i = 0; i < numThreads ; i++) {
holder[i].start();
try {
waitnotify.wait();
} catch (InterruptedException e) {
log.complain("Main thread was interrupted while waiting for start of " + MYTHREAD + "-" + i);
return kill001.FAILED;
}
}
}
breakHere(); // a break to get thread ids and then to kill MyThreads.
}
// wait during waitTime until all MyThreads will be killed
long oldTime = System.currentTimeMillis();
while ((System.currentTimeMillis() - oldTime) <= kill001a.waitTime) {
boolean waited = false;
for (i = 0; i < numThreads ; i++) {
if (holder[i].isAlive()) {
waited = true;
try {
synchronized(waitnotify) {
waitnotify.wait(1000);
}
} catch (InterruptedException e) {
log.complain("Main thread was interrupted while waiting for killing of " + MYTHREAD + "-" + i);
}
}
}
if (!waited) {
break;
}
}
breakHere(); // a break to check if MyThreads were killed
log.display("killed == " + killed);
for (i = 0; i < numThreads ; i++) {
if (holder[i].isAlive()) {
log.complain("Debuggee FAILED - thread " + i + " is alive");
return kill001.FAILED;
}
}
log.display("Debuggee PASSED");
return kill001.PASSED;
}
}
class MyException extends Exception {
MyException (String message) {
super(message);
}
}
class MyThread extends Thread {
String name;
Throwable expectedException;
public boolean exceptionThrown = true;
public MyThread(String n, Throwable e) {
name = n;
expectedException = e;
}
static public int[] trash;
void methodForException() {
trash = new int[10];
for (int i = 0; ;i++) {
trash[i % trash.length] = i;
}
}
public void run() {
boolean vthreadMode = "Virtual".equals(System.getProperty("test.thread.factory"));
if (vthreadMode) {
// JVMTI StopThread is only supported for mounted virtual threads. We need to
// pin the virtual threads so they remain mounted.
VThreadPinner.runPinned(() -> test());
} else {
test();
}
}
public void test() {
// Concatenate strings in advance to avoid lambda calculations later
String ThreadFinished = "Thread finished: " + this.name;
String CaughtExpected = "Thread " + this.name + " caught expected async exception: " + expectedException;
String CaughtUnexpected = "WARNING: Thread " + this.name + " caught unexpected exception:";
kill001a.log.display("Thread started: " + this.name);
synchronized (kill001a.waitnotify) {
kill001a.waitnotify.notify();
}
try {
synchronized (kill001a.lock) { }
// We need some code that does an invoke here to make sure the async exception
// gets thrown before we leave the try block.
// The methodForException should work until exception is thrown.
methodForException();
} catch (Throwable t) {
if (t == expectedException) {
kill001a.log.display(CaughtExpected);
// Need to make sure the increment is atomic
synchronized (kill001a.lock) {
kill001a.killed++;
}
} else {
kill001a.log.display(CaughtUnexpected);
kill001a.log.display(t);
t.printStackTrace(kill001a.log.getOutStream());
}
}
kill001a.log.display(ThreadFinished);
}
}
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