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annotate src/peers/gov/nasa/jpf/vm/JPF_java_util_concurrent_atomic_AtomicReferenceArray.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18
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19 package gov.nasa.jpf.vm;
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20
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21 import gov.nasa.jpf.annotation.MJI;
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22 import gov.nasa.jpf.vm.MJIEnv;
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23 import gov.nasa.jpf.vm.NativePeer;
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24
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25 /**
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26 * native peer for java.util.concurrent.atomic.AtomicReferenceArray
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27 */
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28 public class JPF_java_util_concurrent_atomic_AtomicReferenceArray extends NativePeer {
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29
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30 @MJI
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31 public int getNative__I__Ljava_lang_Object_2 (MJIEnv env, int objRef, int index) {
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32 int arrayRef = env.getReferenceField(objRef, "array");
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33 return env.getReferenceArrayElement(arrayRef, index);
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34 }
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35
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36 @MJI
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37 public boolean compareAndSetNative__ILjava_lang_Object_2Ljava_lang_Object_2__Z (MJIEnv env, int objRef, int index, int fExpect, int fUpdate){
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38 int arrayRef = env.getReferenceField(objRef, "array");
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39 int value = env.getReferenceArrayElement(arrayRef, index);
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40 if (value == fExpect) {
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41 env.setReferenceArrayElement(arrayRef, index, fUpdate);
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42 return true;
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43 } else {
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44 return false;
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45 }
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46 }
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47 }