2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
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
10 * http://www.apache.org/licenses/LICENSE-2.0.
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.
18 package gov.nasa.jpf.vm;
20 import gov.nasa.jpf.Config;
21 import gov.nasa.jpf.GenericProperty;
22 import gov.nasa.jpf.search.Search;
24 import java.io.PrintWriter;
25 import java.io.StringWriter;
28 * property class to check for no-runnable-threads conditions
30 public class NotDeadlockedProperty extends GenericProperty {
34 public NotDeadlockedProperty (Config conf, Search search) {
39 public String getErrorMessage () {
40 VM vm = search.getVM();
41 StringWriter sw = new StringWriter();
42 PrintWriter pw = new PrintWriter(sw);
44 if (tiAtomic != null){
45 pw.println("blocked in atomic section:");
47 pw.println("deadlock encountered:");
50 ThreadInfo[] liveThreads = vm.getLiveThreads();
51 for (ThreadInfo ti : liveThreads) {
56 pw.println(ti.getStateDescription());
63 public boolean check (Search search, VM vm) {
64 if (vm.isDeadlocked()){
65 ThreadInfo ti = vm.getCurrentThread();