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/*
* Copyright (c) 2003, 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.jvmti.GetCurrentContendedMonitor;
import nsk.share.Wicket;
import java.io.PrintStream;
public class contmon002 {
native static void checkMon(int point, Thread thr);
native static int getRes();
static {
try {
System.loadLibrary("contmon002");
} catch (UnsatisfiedLinkError ule) {
System.err.println("Could not load contmon002 library");
System.err.println("java.library.path:"
+ System.getProperty("java.library.path"));
throw ule;
}
}
public static Wicket startingBarrier;
public static void main(String[] args) {
args = nsk.share.jvmti.JVMTITest.commonInit(args);
System.exit(run(args, System.out) + 95/*STATUS_TEMP*/);
}
public static int run(String argv[], PrintStream ref) {
checkMon(1, Thread.currentThread());
contmon002a thr = new contmon002a();
startingBarrier = new Wicket();
thr.start();
startingBarrier.waitFor();
checkMon(2, thr);
thr.letItGo();
try {
thr.join();
} catch (InterruptedException e) {
throw new Error("Unexpected " + e);
}
return getRes();
}
}
class contmon002a extends Thread {
private volatile boolean flag = true;
private synchronized void meth() {
contmon002.startingBarrier.unlock();
int i = 0;
int n = 1000;
while (flag) {
if (n <= 0) {
n = 1000;
}
if (i > n) {
i = 0;
n--;
}
i++;
}
}
public void run() {
meth();
}
public void letItGo() {
flag = false;
}
}
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