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 /*
  *  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(s):
Mladen Turk
Version:
$Revision: 515 $, $Date: 2008-03-17 22:02:23 +0100 (Mon, 17 Mar 2008) $
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.

Parameters:
file The file turn into an mmap.
offset The offset into the file to start the data pointer at.
size The size of the file
flag bit-wise or of:
 APR_MMAP_READ       MMap opened for reading
 APR_MMAP_WRITE      MMap opened for writing
 
pool The pool to use when creating the mmap.
Returns:
The newly created mmap'ed file.
    public static native long create(long filelong offsetlong sizeint flaglong pool)
        throws Error;

    
Duplicate the specified MMAP.

Parameters:
mmap The mmap to duplicate.
pool The pool to use for new_mmap.
Returns:
Duplicated mmap'ed file.
    public static native long dup(long mmaplong pool)
        throws Error;

    
Remove a mmap'ed.

Parameters:
mm The mmap'ed file.
    public static native int delete(long mm);

    
Move the pointer into the mmap'ed file to the specified offset.

Parameters:
mm The mmap'ed file.
offset The offset to move to.
Returns:
The pointer to the offset specified.
    public static native long offset(long mmlong offset)
        throws Error;
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