Mercurial > hg > Members > kono > jpf-core

comparison src/main/gov/nasa/jpf/vm/ThreadInfoSet.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 /**
22 * interface to abstract the referencing set of threadinfos per object/class
23 * Used to detect shared objects/classes
24 * Instances are created through a configured factory (SharedObjectPolicy)
25 *
26 * We abstract the container so that the way we identify threads is not exposed
27 * to the client, and implementations can use either ThreadInfo references or
28 * global ids.
29 */
30 public interface ThreadInfoSet extends Cloneable {
31
32 /**
33 * @return true if the thread wasn't in the set yet and was added
34 */
35 ThreadInfoSet add (ThreadInfo ti);
36
37 ThreadInfoSet remove (ThreadInfo ti);
38
39 boolean contains (ThreadInfo ti);
40
41 boolean isShared (ThreadInfo ti, ElementInfo ei);
42
43
44 boolean hasMultipleLiveThreads ();
45 boolean hasMultipleRunnableThreads ();
46
47 Memento<ThreadInfoSet> getMemento();
48
49 int size();
50 }