FixedAllocator Class Reference

#include <small_object_allocator.h>

Classes
struct	Chunk

Public Member Functions
void *	allocate ()
void	deallocate (void *p)
	FixedAllocator (std::size_t blockSize, unsigned char numBlocksPerChunk)

Private Types
typedef std::vector< Chunk >	Chunks

Private Member Functions
bool	pointer_is_in_chunk (void *p, Chunk *chunk)

Private Attributes
Chunk *	m_allocChunk
std::size_t	m_blockSize
Chunks	m_chunks
int	m_deallocChunkIndex
int	m_emptyChunkIndex
unsigned char	m_numBlocksPerChunk
std::size_t	m_numFreeBlocks

Detailed Description

Instances of this class can be used to allocate small objects of the same size in a highly efficient way.

Member Typedef Documentation

Chunks

typedef std::vector<Chunk> FixedAllocator::Chunks

private

Constructor & Destructor Documentation

FixedAllocator()

FixedAllocator::FixedAllocator	(	std::size_t	blockSize,
		unsigned char	numBlocksPerChunk
	)

Member Function Documentation

allocate()

void * FixedAllocator::allocate

(

)

References FixedAllocator::Chunk::allocate(), FixedAllocator::Chunk::init(), m_allocChunk, m_blockSize, m_chunks, m_deallocChunkIndex, FixedAllocator::Chunk::m_numAvailableBlocks, m_numBlocksPerChunk, and m_numFreeBlocks.

deallocate()

void FixedAllocator::deallocate

(

void *

p

)

References FixedAllocator::Chunk::deallocate(), m_blockSize, m_chunks, m_deallocChunkIndex, m_emptyChunkIndex, FixedAllocator::Chunk::m_numAvailableBlocks, m_numBlocksPerChunk, m_numFreeBlocks, p, and pointer_is_in_chunk().

pointer_is_in_chunk()

bool FixedAllocator::pointer_is_in_chunk ( void *  p, Chunk *  chunk  )

inlineprivate

References m_blockSize, m_numBlocksPerChunk, FixedAllocator::Chunk::m_pData, and p.

Referenced by deallocate().

Member Data Documentation

m_allocChunk

Chunk* FixedAllocator::m_allocChunk

private

Referenced by allocate().

m_blockSize

std::size_t FixedAllocator::m_blockSize

private

Referenced by allocate(), deallocate(), and pointer_is_in_chunk().

m_chunks

Chunks FixedAllocator::m_chunks

private

Referenced by allocate(), and deallocate().

m_deallocChunkIndex

int FixedAllocator::m_deallocChunkIndex

private

Referenced by allocate(), and deallocate().

m_emptyChunkIndex

int FixedAllocator::m_emptyChunkIndex

private

Referenced by deallocate().

m_numBlocksPerChunk

unsigned char FixedAllocator::m_numBlocksPerChunk

private

Referenced by allocate(), deallocate(), and pointer_is_in_chunk().

m_numFreeBlocks

std::size_t FixedAllocator::m_numFreeBlocks

private

Referenced by allocate(), and deallocate().

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

• ugbase/common/allocators/small_object_allocator.h
• ugbase/common/allocators/small_object_allocator.cpp