63 lines
2.0 KiB
Java
63 lines
2.0 KiB
Java
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/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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package rtm;
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import com.oracle.java.testlibrary.Utils;
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import sun.misc.Unsafe;
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/**
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* Current RTM locking implementation force transaction abort
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* before native method call by explicit xabort(0) call.
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*/
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class XAbortProvoker extends AbortProvoker {
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// Following field have to be static in order to avoid escape analysis.
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@SuppressWarnings("UnsuedDeclaration")
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private static int field = 0;
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private static final Unsafe UNSAFE = Utils.getUnsafe();
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public XAbortProvoker() {
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this(new Object());
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}
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public XAbortProvoker(Object monitor) {
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super(monitor);
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}
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@Override
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public void forceAbort() {
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synchronized(monitor) {
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XAbortProvoker.field = UNSAFE.addressSize();
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}
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}
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@Override
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public String[] getMethodsToCompileNames() {
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return new String[] {
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getMethodWithLockName(),
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Unsafe.class.getName() + "::addressSize"
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};
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}
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}
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