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

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 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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,

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 *

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package jdk.nio.mapmode;

import java.nio.channels.FileChannel.MapMode;

/**

 * JDK-specific map modes.

 *

 * @since 14

 * @see java.nio.channels.FileChannel#map

 */

public class ExtendedMapMode {

    private ExtendedMapMode() { }

    /**

     * File mapping mode for a read-only mapping of a file backed by

     * non-volatile RAM.

     *

     * <p> The {@linkplain FileChannel#map map} method throws

     * {@linkplain UnsupportedOperationException} when this map mode

     * is used on an implementation that does not support it.

     *

     * @implNote On Linux, the {@code MAP_SYNC} and {@code

     * MAP_SHARED_VALIDATE} flags are specified to {@code mmap} when

     * mapping the file into memory.

     */

    public static final MapMode READ_ONLY_SYNC = jdk.internal.misc.ExtendedMapMode.READ_ONLY_SYNC;

    /**

     * File mapping mode for a read-write mapping of a file backed by

     * non-volatile RAM. {@linkplain MappedByteBufefr#force force}

     * operations on a buffer created with this mode will be performed

     * using cache line writeback rather than proceeding via a file

     * device flush.

     *

     * <p> The {@linkplain FileChannel#map map} method throws

     * {@linkplain UnsupportedOperationException} when this map mode

     * is used on an implementation that does not support it.

     *

     * @implNote On Linux, the {@code MAP_SYNC} and {@code

     * MAP_SHARED_VALIDATE} flags are specified to {@code mmap} when

     * mapping the file into memory.

     */

    public static final MapMode READ_WRITE_SYNC = jdk.internal.misc.ExtendedMapMode.READ_WRITE_SYNC;

}