KVMAllocator Class Reference

#include <kvmallocator.h>

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) TDE_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) TDE_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 basti.nosp@m.an@k.nosp@m.de.or.nosp@m.g

Definition at line 39 of file kvmallocator.h.

Constructor & Destructor Documentation

KVMAllocator()

KVMAllocator::KVMAllocator

(

)

Create a KVMAllocator.

Definition at line 63 of file kvmallocator.cpp.

~KVMAllocator()

KVMAllocator::~KVMAllocator

(

)

Destruct the KVMAllocator and release all memory.

Definition at line 73 of file kvmallocator.cpp.

Member Function Documentation

allocate()

KVMAllocator::Block * KVMAllocator::allocate

(

size_t

_size

)

Allocate a virtual memory block.

Parameters

_size

Size in bytes of the memory block.

Returns

the allocated memory block

Parameters

_size

Size in bytes of the memory block.

Definition at line 84 of file kvmallocator.cpp.

copy() [1/2]

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.

copy() [2/2]

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.

copyBlock() [1/2]

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

dest	the block to copy the data to
src	the source location of the data
_offset	the offset in the destination block
length	the 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.

copyBlock() [2/2]

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

dest	the destination of the data
src	the source block
_offset	the offset in the source block
length	the 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.

free()

void KVMAllocator::free

(

Block *

block

)

Free a virtual memory block.

Parameters

block

the block to free

Definition at line 132 of file kvmallocator.cpp.

map()

void * KVMAllocator::map

(

Block *

block

)

Map a virtual memory block in memory.

Parameters

block

the block to map

Definition at line 253 of file kvmallocator.cpp.

unmap()

void KVMAllocator::unmap

(

Block *

block

)

Unmap a virtual memory block.

Parameters

block

the block to unmap

Definition at line 268 of file kvmallocator.cpp.

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The documentation for this class was generated from the following files:

• kvmallocator.h
• kvmallocator.cpp