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