| /* |
| * 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.SetFieldAccessWatch; |
| |
| import java.io.PrintStream; |
| |
| public class setfldw001 { |
| |
| final static int JCK_STATUS_BASE = 95; |
| |
| static { |
| try { |
| System.loadLibrary("setfldw001"); |
| } catch (UnsatisfiedLinkError ule) { |
| System.err.println("Could not load setfldw001 library"); |
| System.err.println("java.library.path:" |
| + System.getProperty("java.library.path")); |
| throw ule; |
| } |
| } |
| |
| native static void setWatch(int fld_ind); |
| native void touchfld0(); |
| native static void check(int fld_ind, boolean flag); |
| native static int getRes(); |
| |
| int fld0 = -1; |
| static int fld1 = 1; |
| private setfldw001a fld2 = new setfldw001a(); |
| static int fld; |
| |
| public static Object lock = new Object(); |
| |
| public static void main(String[] args) { |
| args = nsk.share.jvmti.JVMTITest.commonInit(args); |
| |
| // produce JCK-like exit status. |
| System.exit(run(args, System.out) + JCK_STATUS_BASE); |
| } |
| |
| public static int run(String argv[], PrintStream ref) { |
| setfldw001 t = new setfldw001(); |
| setfldw001a t_a = new setfldw001a(); |
| setfldw001b t_b = new setfldw001b(); |
| t_b.start(); |
| synchronized (lock) { |
| fld = fld1 + 1; |
| check(1, false); |
| } |
| synchronized (lock) { |
| fld += t_a.fld3[1]; |
| check(3, false); |
| } |
| setWatch(1); |
| synchronized (lock) { |
| fld = fld1 + fld; |
| check(1, true); |
| } |
| setWatch(3); |
| synchronized (lock) { |
| fld -= t_a.fld3[2]; |
| check(3, true); |
| } |
| t.meth01(); |
| try { |
| t_b.join(); |
| } catch (InterruptedException e) {} |
| return getRes(); |
| } |
| |
| private void meth01() { |
| synchronized (lock) { |
| touchfld0(); |
| check(0, true); |
| } |
| synchronized (lock) { |
| fld += fld2.fld; |
| check(2, false); |
| } |
| setWatch(2); |
| synchronized (lock) { |
| fld += fld2.fld; |
| check(2, true); |
| } |
| } |
| } |
| |
| class setfldw001a { |
| int[] fld3 = {10, 9, 8, 7, 6}; |
| int fld = 2; |
| } |
| |
| class setfldw001b extends Thread { |
| float fld4 = 6.0f; |
| public void run() { |
| synchronized (setfldw001.lock) { |
| setfldw001.fld += fld4; |
| setfldw001.check(4, false); |
| } |
| setfldw001.setWatch(4); |
| synchronized (setfldw001.lock) { |
| setfldw001.fld += fld4; |
| setfldw001.check(4, true); |
| } |
| } |
| } |