| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.tomcat.jni; |
| |
| /** Mmap |
| * |
| * @author Mladen Turk |
| */ |
| public class Mmap { |
| /** MMap opened for reading */ |
| public static final int APR_MMAP_READ = 1; |
| /** MMap opened for writing */ |
| public static final int APR_MMAP_WRITE = 2; |
| |
| |
| /** |
| * Create a new mmap'ed file out of an existing APR file. |
| * @param file The file turn into an mmap. |
| * @param offset The offset into the file to start the data pointer at. |
| * @param size The size of the file |
| * @param flag bit-wise or of: |
| * <PRE> |
| * APR_MMAP_READ MMap opened for reading |
| * APR_MMAP_WRITE MMap opened for writing |
| * </PRE> |
| * @param pool The pool to use when creating the mmap. |
| * @return The newly created mmap'ed file. |
| */ |
| public static native long create(long file, long offset, long size, int flag, long pool) |
| throws Error; |
| |
| /** |
| * Duplicate the specified MMAP. |
| * @param mmap The mmap to duplicate. |
| * @param pool The pool to use for new_mmap. |
| * @return Duplicated mmap'ed file. |
| */ |
| public static native long dup(long mmap, long pool) |
| throws Error; |
| |
| /** |
| * Remove a mmap'ed. |
| * @param mm The mmap'ed file. |
| */ |
| public static native int delete(long mm); |
| |
| /** |
| * Move the pointer into the mmap'ed file to the specified offset. |
| * @param mm The mmap'ed file. |
| * @param offset The offset to move to. |
| * @return The pointer to the offset specified. |
| */ |
| public static native long offset(long mm, long offset) |
| throws Error; |
| |
| } |