001/*
002 *  This file is part of the Jikes RVM project (http://jikesrvm.org).
003 *
004 *  This file is licensed to You under the Eclipse Public License (EPL);
005 *  You may not use this file except in compliance with the License. You
006 *  may obtain a copy of the License at
007 *
008 *      http://www.opensource.org/licenses/eclipse-1.0.php
009 *
010 *  See the COPYRIGHT.txt file distributed with this work for information
011 *  regarding copyright ownership.
012 */
013package org.mmtk.plan;
014
015import org.vmmagic.pragma.*;
016
017/**
018 * This class (and its sub-classes) implement <i>per-mutator thread</i>
019 * behavior and state.
020 *
021 * MMTk assumes that the VM instantiates instances of MutatorContext
022 * in thread local storage (TLS) for each application thread. Accesses
023 * to this state are therefore assumed to be low-cost during mutator
024 * time.
025 *
026 * @see MutatorContext
027 */
028@Uninterruptible
029public abstract class StopTheWorldMutator extends SimpleMutator {
030}