150 lines
4.3 KiB
Java
150 lines
4.3 KiB
Java
/*
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* Copyright (c) 2003, 2022, 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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/*
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* @test
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*
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* @summary converted from VM Testbase nsk/jvmti/ResumeThread/resumethrd02.
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* VM Testbase keywords: [quick, jpda, jvmti, noras]
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* VM Testbase readme:
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* DESCRIPTION
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* This JVMTI test exercises JVMTI thread function ResumeThread().
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* This tests checks that suspended thread resumed by ResumeThread()
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* will continue to run and finish.
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* COMMENTS
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*
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* @library /test/lib
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* @run main/othervm/native -agentlib:resumethrd02=-waittime=5 resumethrd02
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*/
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import jdk.test.lib.jvmti.DebugeeClass;
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public class resumethrd02 extends DebugeeClass {
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// load native library if required
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static {
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System.loadLibrary("resumethrd02");
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}
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// run test from command line
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public static void main(String argv[]) {
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new resumethrd02().runIt();
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}
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/* =================================================================== */
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long timeout = 0;
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int status = DebugeeClass.TEST_PASSED;
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// tested thread
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resumethrd02Thread thread = null;
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// run debuggee
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public void runIt() {
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timeout = 60 * 1000; // milliseconds
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// create tested thread
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thread = new resumethrd02Thread("TestedThread");
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// run tested thread
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System.out.println("Staring tested thread");
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try {
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thread.start();
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if (!thread.checkReady()) {
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throw new RuntimeException("Unable to prepare tested thread: " + thread);
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}
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// testing sync
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System.out.println("Sync: thread started");
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status = checkStatus(status);
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} finally {
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// let thread to finish
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thread.letFinish();
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}
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// wait for thread to finish
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System.out.println("Finishing tested thread");
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try {
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thread.join();
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} catch (InterruptedException e) {
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throw new RuntimeException(e);
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}
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// testing sync
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System.out.println("Sync: thread finished");
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status = checkStatus(status);
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if (status !=0 ) {
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throw new RuntimeException("status = " + status);
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}
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}
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}
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/* =================================================================== */
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// basic class for tested threads
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class resumethrd02Thread extends Thread {
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private volatile boolean threadReady = false;
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private volatile boolean shouldFinish = false;
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// make thread with specific name
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public resumethrd02Thread(String name) {
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super(name);
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}
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// run thread continuously
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public void run() {
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// run in a loop
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threadReady = true;
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int i = 0;
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int n = 1000;
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while (!shouldFinish) {
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if (n <= 0) {
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n = 1000;
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}
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if (i > n) {
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i = 0;
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n = n - 1;
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}
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i = i + 1;
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}
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}
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// check if thread is ready
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public boolean checkReady() {
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try {
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while (!threadReady) {
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sleep(1000);
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}
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} catch (InterruptedException e) {
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throw new RuntimeException("Interruption while preparing tested thread: \n\t" + e);
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}
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return threadReady;
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}
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// let thread to finish
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public void letFinish() {
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shouldFinish = true;
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}
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}
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