130 lines
3.7 KiB
Java
130 lines
3.7 KiB
Java
/*
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* Copyright (c) 2003, 2024, 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.SetFieldModificationWatch;
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import jdk.test.lib.thread.TestThreadFactory;
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import java.io.PrintStream;
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public class setfmodw001 {
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final static int JCK_STATUS_BASE = 95;
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static {
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try {
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System.loadLibrary("setfmodw001");
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} catch (UnsatisfiedLinkError ule) {
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System.err.println("Could not load setfmodw001 library");
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System.err.println("java.library.path:"
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+ System.getProperty("java.library.path"));
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throw ule;
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}
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}
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native static void setWatch(int fld_ind);
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native void touchfld0();
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native static void check(int fld_ind, boolean flag);
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native static int getRes();
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int fld0 = -1;
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static int fld1 = 1;
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private setfmodw001a fld2 = new setfmodw001a();
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static int fld = 10;
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public static Object lock = new Object();
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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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// produce JCK-like exit status.
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System.exit(run(args, System.out) + JCK_STATUS_BASE);
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}
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public static int run(String argv[], PrintStream ref) {
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setfmodw001 t = new setfmodw001();
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setfmodw001a t_a = new setfmodw001a();
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Thread t_b = TestThreadFactory.newThread(new setfmodw001b());
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t_b.start();
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synchronized (lock) {
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fld1 = fld1 + 1;
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check(1, false);
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}
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synchronized (lock) {
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t_a.fld3 = new int[10];
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check(3, false);
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}
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setWatch(1);
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synchronized (lock) {
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fld1 = fld1 + fld;
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check(1, true);
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}
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setWatch(3);
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synchronized (lock) {
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t_a.fld3 = new int[10];
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check(3, true);
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}
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t.meth01();
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try {
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t_b.join();
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} catch (InterruptedException e) {}
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return getRes();
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}
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private void meth01() {
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synchronized (lock) {
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touchfld0();
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check(0, true);
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}
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synchronized (lock) {
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fld2 = new setfmodw001a();
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check(2, false);
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}
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setWatch(2);
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synchronized (lock) {
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fld2 = new setfmodw001a();
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check(2, true);
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}
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}
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}
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class setfmodw001a {
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int[] fld3;
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int fld = 2;
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}
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class setfmodw001b implements Runnable {
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float fld4;
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public void run() {
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synchronized (setfmodw001.lock) {
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fld4 = setfmodw001.fld;
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setfmodw001.check(4, false);
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}
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setfmodw001.setWatch(4);
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synchronized (setfmodw001.lock) {
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fld4 += setfmodw001.fld;
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setfmodw001.check(4, true);
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}
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}
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}
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