119 lines
3.6 KiB
Java
119 lines
3.6 KiB
Java
/*
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* Copyright (c) 2004, 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.jvmti.GetThreadState;
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import java.io.PrintStream;
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public class thrstat001 {
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public static final int STATUS_RUNNING = 0;
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public static final int STATUS_MONITOR = 1;
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public static final int STATUS_WAIT = 2;
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native static void checkStatus(int statInd);
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native static int getRes();
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public static void main(String[] args) {
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args = nsk.share.jvmti.JVMTITest.commonInit(args);
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System.exit(run(args, System.out) + 95/*STATUS_TEMP*/);
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}
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public static int run(String argv[], PrintStream ref) {
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thrstat001 t = new thrstat001();
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t.meth();
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return getRes();
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}
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// barriers for testing thread status values
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public static Lock startingMonitor = new Lock();
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public static Object blockingMonitor = new Object();
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public static Lock endingMonitor = new Lock();
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void meth() {
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thrstat001a thr = new thrstat001a("thr1");
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synchronized (blockingMonitor) {
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synchronized (startingMonitor) {
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startingMonitor.val = 0;
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thr.start();
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while (startingMonitor.val == 0) {
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try {
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startingMonitor.wait();
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} catch (InterruptedException e) {
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throw new Error("Unexpected: " + e);
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}
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}
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}
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Thread.yield();
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checkStatus(STATUS_MONITOR);
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}
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synchronized (endingMonitor) {
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checkStatus(STATUS_WAIT);
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endingMonitor.val++;
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endingMonitor.notify();
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}
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try {
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thr.join();
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} catch (InterruptedException e) {
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throw new Error("Unexpected: " + e);
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}
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}
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static class Lock {
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public int val = 0;
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}
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}
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class thrstat001a extends Thread {
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public thrstat001a(String name) {
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super(name);
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}
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public void run() {
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synchronized (thrstat001.endingMonitor) {
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thrstat001.checkStatus(thrstat001.STATUS_RUNNING);
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synchronized (thrstat001.startingMonitor) {
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thrstat001.startingMonitor.val++;
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thrstat001.startingMonitor.notifyAll();
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}
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synchronized (thrstat001.blockingMonitor) {
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}
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thrstat001.endingMonitor.val = 0;
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while (thrstat001.endingMonitor.val == 0) {
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try {
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thrstat001.endingMonitor.wait();
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} catch (InterruptedException e) {
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throw new Error("Unexpected: " + e);
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}
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}
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}
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}
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}
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