| /* |
| * Copyright (c) 2007, 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.share.gc.lock.jni; |
| |
| import nsk.share.gc.lock.CriticalSectionObjectLocker; |
| import nsk.share.TestFailure; |
| |
| public class CharArrayCriticalLocker extends CriticalSectionObjectLocker<char[]> { |
| private native char criticalNative(long enterTime, long sleepTime); |
| |
| static { |
| System.loadLibrary("CharArrayCriticalLocker"); |
| } |
| |
| public CharArrayCriticalLocker(char[] obj) { |
| super(obj); |
| } |
| |
| protected void criticalSection(long enterTime, long sleepTime) { |
| char javaHash = hashValue(obj); |
| char nativeHash = criticalNative(enterTime, sleepTime); |
| if (nativeHash != 0 && nativeHash != javaHash) |
| throw new TestFailure("Native hash: " + nativeHash + " != Java hash: " + javaHash); |
| } |
| |
| private char hashValue(char[] obj) { |
| char hash = 0; |
| for (int i = 0; i < obj.length; ++i) |
| hash ^= obj[i]; |
| return hash; |
| } |
| } |