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Apache Pekko is a toolkit for building highly concurrent, distributed, and resilient message-driven applications for Java and Scala.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * license agreements; and to You under the Apache License, version 2.0:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * This file is part of the Apache Pekko project, which was derived from Akka.
 */

/*
 * Copyright (C) 2009-2022 Lightbend Inc. 
 */

package org.apache.pekko.dispatch;

import org.apache.pekko.util.Unsafe;

final class AbstractMailbox {
    final static long mailboxStatusOffset;
    final static long systemMessageOffset;

    static {
        try {
          mailboxStatusOffset = Unsafe.instance.objectFieldOffset(Mailbox.class.getDeclaredField("_statusDoNotCallMeDirectly"));
          systemMessageOffset = Unsafe.instance.objectFieldOffset(Mailbox.class.getDeclaredField("_systemQueueDoNotCallMeDirectly"));
        } catch(Throwable t){
            throw new ExceptionInInitializerError(t);
        }
    }
}