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Public Member Functions
KVMAllocator Class Reference

#include <kvmallocator.h>

List of all members.

Public Member Functions

 KVMAllocator ()
 ~KVMAllocator ()
Block * allocate (size_t _size)
void free (Block *block)
bool copyBlock (void *dest, Block *src, int _offset=0, size_t length=0)
void copy (void *dest, Block *src, int _offset=0, size_t length=0) KDE_DEPRECATED
bool copyBlock (Block *dest, void *src, int _offset=0, size_t length=0)
void copy (Block *dest, void *src, int _offset=0, size_t length=0) KDE_DEPRECATED
void * map (Block *block)
void unmap (Block *block)

Detailed Description

KVMAllocator is a virtual memory allocator.

Memory is allocated block-wise in a tmp file.

Author:
Waldo Bastian <bastian@kde.org>

Definition at line 39 of file kvmallocator.h.


Constructor & Destructor Documentation

KVMAllocator::KVMAllocator ( )

Create a KVMAllocator.

Definition at line 63 of file kvmallocator.cpp.

KVMAllocator::~KVMAllocator ( )

Destruct the KVMAllocator and release all memory.

Definition at line 73 of file kvmallocator.cpp.


Member Function Documentation

KVMAllocator::Block * KVMAllocator::allocate ( size_t  _size)

Allocate a virtual memory block.

Parameters:
_sizeSize in bytes of the memory block.
Returns:
the allocated memory block
Parameters:
_sizeSize in bytes of the memory block.

Definition at line 84 of file kvmallocator.cpp.

void KVMAllocator::copy ( void *  dest,
Block *  src,
int  _offset = 0,
size_t  length = 0 
)

Copy data from a virtual memory block to normal memory.

Deprecated:
See also:
copyBlock

Definition at line 187 of file kvmallocator.cpp.

void KVMAllocator::copy ( Block *  dest,
void *  src,
int  _offset = 0,
size_t  length = 0 
)

Copy data from normal memory to a virtual memory block.

Deprecated:
See also:
copyBlock

Definition at line 223 of file kvmallocator.cpp.

bool KVMAllocator::copyBlock ( void *  dest,
Block *  src,
int  _offset = 0,
size_t  length = 0 
)

Copy length bytes from _offset in the virtual memory block src to normal memory at address *dest.

Parameters:
destthe destination of the data
srcthe source block
_offsetthe offset in the source block
lengththe length of the data to copy
Returns:
true on success, false on failure, see errno for details
Since:
3.2

Definition at line 193 of file kvmallocator.cpp.

bool KVMAllocator::copyBlock ( Block *  dest,
void *  src,
int  _offset = 0,
size_t  length = 0 
)

Copy length bytes from normal memory at address src to _offset in the virtual memory block dest.

Parameters:
destthe block to copy the data to
srcthe source location of the data
_offsetthe offset in the destination block
lengththe length of the data to copy
Returns:
true on success, false on failure, see errno for details
Since:
3.2

Definition at line 229 of file kvmallocator.cpp.

void KVMAllocator::free ( Block *  block)

Free a virtual memory block.

Parameters:
blockthe block to free

Definition at line 132 of file kvmallocator.cpp.

void * KVMAllocator::map ( Block *  block)

Map a virtual memory block in memory.

Parameters:
blockthe block to map

Definition at line 253 of file kvmallocator.cpp.

void KVMAllocator::unmap ( Block *  block)

Unmap a virtual memory block.

Parameters:
blockthe block to unmap

Definition at line 268 of file kvmallocator.cpp.


The documentation for this class was generated from the following files:
  • kvmallocator.h
  • kvmallocator.cpp

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