33  * http://creativecommons.org/publicdomain/zero/1.0/

    33  * http://creativecommons.org/publicdomain/zero/1.0/

    34  */

    34  */

    35 

    35 

    36 package java.util.concurrent.atomic;

    36 package java.util.concurrent.atomic;

    37 import sun.misc.Unsafe;

    37 import sun.misc.Unsafe;

    39 

    38 

    40 /**

    39 /**

    41  * A {@code long} array in which elements may be updated atomically.

    40  * A {@code long} array in which elements may be updated atomically.

    42  * See the {@link java.util.concurrent.atomic} package specification

    41  * See the {@link java.util.concurrent.atomic} package specification

    43  * for description of the properties of atomic variables.

    42  * for description of the properties of atomic variables.

   134      */

   133      */

   135     public final void lazySet(int i, long newValue) {

   134     public final void lazySet(int i, long newValue) {

   136         unsafe.putOrderedLong(array, checkedByteOffset(i), newValue);

   135         unsafe.putOrderedLong(array, checkedByteOffset(i), newValue);

   137     }

   136     }

   138 

   137 

   140     /**

   138     /**

   141      * Atomically sets the element at position {@code i} to the given value

   139      * Atomically sets the element at position {@code i} to the given value

   142      * and returns the old value.

   140      * and returns the old value.

   143      *

   141      *

   144      * @param i the index

   142      * @param i the index