pekko/akka-actor/src/main/scala/akka/util/Unsafe.java

/**
 * Copyright (C) 2009-2012 Typesafe Inc. <http://www.typesafe.com>
 */


package akka.util;

import java.lang.reflect.Field;

public final class Unsafe {
    public final static sun.misc.Unsafe instance;
    static {
        try {
            sun.misc.Unsafe found = null;
            for(Field field : sun.misc.Unsafe.class.getDeclaredFields()) {
              if (field.getType() == sun.misc.Unsafe.class) {
                field.setAccessible(true);
                found = (sun.misc.Unsafe) field.get(null);
                break;
              }
            }
            if (found == null) throw new IllegalStateException("Can't find instance of sun.misc.Unsafe");
            else instance = found;
        } catch(Throwable t) {
          throw new ExceptionInInitializerError(t);
        }
    }
}