/*

 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

package rtm;

import com.oracle.java.testlibrary.Utils;

import sun.misc.Unsafe;

/**

 * Current RTM locking implementation force transaction abort

 * before native method call by explicit xabort(0) call.

 */

class XAbortProvoker extends AbortProvoker {

    // Following field have to be static in order to avoid escape analysis.

    @SuppressWarnings("UnsuedDeclaration")

    private static int field = 0;

    private static final Unsafe UNSAFE = Utils.getUnsafe();

    public XAbortProvoker() {

        this(new Object());

    }

    public XAbortProvoker(Object monitor) {

        super(monitor);

    }

    @Override

    public void forceAbort() {

        synchronized(monitor) {

            XAbortProvoker.field = UNSAFE.addressSize();

        }

    }

    @Override

    public String[] getMethodsToCompileNames() {

        return new String[] {

                getMethodWithLockName(),

                Unsafe.class.getName() + "::addressSize"

        };

    }

}