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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
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*
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* 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).
*
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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;
}