Apache Tomcat 6.0.41

org.apache.tomcat.jni
Class Mmap

java.lang.Object
  extended by org.apache.tomcat.jni.Mmap

public class Mmap
extends java.lang.Object

Mmap

Author:
Mladen Turk

Field Summary
static int APR_MMAP_READ
          MMap opened for reading
static int APR_MMAP_WRITE
          MMap opened for writing
 
Constructor Summary
Mmap()
           
 
Method Summary
static long create(long file, long offset, long size, int flag, long pool)
          Create a new mmap'ed file out of an existing APR file.
static int delete(long mm)
          Remove a mmap'ed.
static long dup(long mmap, long pool)
          Duplicate the specified MMAP.
static long offset(long mm, long offset)
          Move the pointer into the mmap'ed file to the specified offset.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

APR_MMAP_READ

public static final int APR_MMAP_READ
MMap opened for reading

See Also:
Constant Field Values

APR_MMAP_WRITE

public static final int APR_MMAP_WRITE
MMap opened for writing

See Also:
Constant Field Values
Constructor Detail

Mmap

public Mmap()
Method Detail

create

public static long create(long file,
                          long offset,
                          long size,
                          int flag,
                          long pool)
                   throws Error
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.
Throws:
Error

dup

public static long dup(long mmap,
                       long 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.
Throws:
Error

delete

public static int delete(long mm)
Remove a mmap'ed.

Parameters:
mm - The mmap'ed file.

offset

public static long offset(long mm,
                          long offset)
                   throws Error
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.
Throws:
Error

Apache Tomcat 6.0.41

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