JPF_gov_nasa_jpf_vm_multiProcess_ThreadTest.java example

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VarexJ-master
//
// Copyright (C) 2013 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA).  All Rights Reserved.
// 
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3.  The NOSA has been approved by the Open Source
// Initiative.  See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
// 
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//

package gov.nasa.jpf.vm.multiProcess;

import java.util.ArrayList;
import java.util.List;

import de.fosd.typechef.featureexpr.FeatureExpr;
import gov.nasa.jpf.annotation.MJI;
import gov.nasa.jpf.vm.MJIEnv;
import gov.nasa.jpf.vm.NativePeer;
import gov.nasa.jpf.vm.ThreadInfo;

/**
 * @author Nastaran Shafiei <nastaran.shafiei@gmail.com>
 */
public class JPF_gov_nasa_jpf_vm_multiProcess_ThreadTest extends NativePeer {
  private static List<Integer> prcIds = new ArrayList<Integer>();

  protected static void resetPrcIds() {
    prcIds.clear();
  }

  private static List<ThreadInfo> threads =  new ArrayList<ThreadInfo>();

  protected static void resetThreads() {
    threads.clear();
  }

  @MJI
  public void keepThread__Ljava_lang_Thread_2I__V(MJIEnv env, int objRef, int thdRef, int prcId, FeatureExpr ctx) {
    ThreadInfo ti = env.getThreadInfoForObjRef(thdRef);
    if(!prcIds.contains(prcId)) {
      prcIds.add(prcId);
      threads.add(ti);
    }
  }

  protected static List<ThreadInfo> getThreads() {
    return threads;
  }

  private static List<Integer> threadIds = new ArrayList<Integer>();

  @MJI
  public static void addToThreads__Ljava_lang_Thread_2__V (MJIEnv env, int objRef, int thdRef, FeatureExpr ctx) {
    ThreadInfo ti = env.getThreadInfoForObjRef(thdRef);

    int id = ti.getId();
    if(!threadIds.contains(id)) {
      threadIds.add(id);
    }
  }

  protected static List<Integer> getThreadIds() {
    return threadIds;
  }
}