893N/A/*
3261N/A * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
893N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
893N/A *
893N/A * This code is free software; you can redistribute it and/or modify it
893N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
893N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
893N/A *
893N/A * This code is distributed in the hope that it will be useful, but WITHOUT
893N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
893N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
893N/A * version 2 for more details (a copy is included in the LICENSE file that
893N/A * accompanied this code).
893N/A *
893N/A * You should have received a copy of the GNU General Public License version
893N/A * 2 along with this work; if not, write to the Free Software Foundation,
893N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
893N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
893N/A */
893N/A
893N/Apackage sun.nio.ch;
893N/A
893N/Aimport java.io.*;
893N/A
893N/Aabstract class FileDispatcher extends NativeDispatcher {
893N/A
893N/A public static final int NO_LOCK = -1; // Failed to lock
893N/A public static final int LOCKED = 0; // Obtained requested lock
893N/A public static final int RET_EX_LOCK = 1; // Obtained exclusive lock
893N/A public static final int INTERRUPTED = 2; // Request interrupted
893N/A
893N/A abstract int force(FileDescriptor fd, boolean metaData) throws IOException;
893N/A
893N/A abstract int truncate(FileDescriptor fd, long size) throws IOException;
893N/A
893N/A abstract long size(FileDescriptor fd) throws IOException;
893N/A
893N/A abstract int lock(FileDescriptor fd, boolean blocking, long pos, long size,
893N/A boolean shared) throws IOException;
893N/A
893N/A abstract void release(FileDescriptor fd, long pos, long size)
893N/A throws IOException;
2984N/A
2984N/A /**
2984N/A * Returns a dup of fd if a file descriptor is required for
2984N/A * memory-mapping operations, otherwise returns an invalid
2984N/A * FileDescriptor (meaning a newly allocated FileDescriptor)
2984N/A */
2984N/A abstract FileDescriptor duplicateForMapping(FileDescriptor fd)
2984N/A throws IOException;
893N/A}