b2BlockAllocator Class Reference

#include <b2BlockAllocator.h>

Public Member Functions
void *	Allocate (int32 size)
	Allocate memory. This will use b2Alloc if the size is larger than b2_maxBlockSize. More...
	b2BlockAllocator ()
void	Clear ()
void	Free (void *p, int32 size)
	Free memory. This will use b2Free if the size is larger than b2_maxBlockSize. More...
	~b2BlockAllocator ()

Private Attributes
int32	m_chunkCount
b2Chunk *	m_chunks
int32	m_chunkSpace
b2Block *	m_freeLists [b2_blockSizes]

Static Private Attributes
static uint8	s_blockSizeLookup [b2_maxBlockSize+1]
static bool	s_blockSizeLookupInitialized
static int32	s_blockSizes [b2_blockSizes]

Detailed Description

This is a small object allocator used for allocating small objects that persist for more than one time step. See: http://www.codeproject.com/useritems/Small_Block_Allocator.asp

Definition at line 35 of file b2BlockAllocator.h.

Constructor & Destructor Documentation

b2BlockAllocator::b2BlockAllocator

(

)

Definition at line 55 of file b2BlockAllocator.cpp.

b2BlockAllocator::~b2BlockAllocator

(

)

Definition at line 87 of file b2BlockAllocator.cpp.

Member Function Documentation

void * b2BlockAllocator::Allocate

(

int32

size

)

Allocate memory. This will use b2Alloc if the size is larger than b2_maxBlockSize.

Definition at line 97 of file b2BlockAllocator.cpp.

void b2BlockAllocator::Clear

(

)

Definition at line 204 of file b2BlockAllocator.cpp.

void b2BlockAllocator::Free	(	void *	p,
		int32	size
	)

Free memory. This will use b2Free if the size is larger than b2_maxBlockSize.

Definition at line 155 of file b2BlockAllocator.cpp.

Member Data Documentation

int32 b2BlockAllocator::m_chunkCount

private

Definition at line 52 of file b2BlockAllocator.h.

b2Chunk* b2BlockAllocator::m_chunks

private

Definition at line 51 of file b2BlockAllocator.h.

int32 b2BlockAllocator::m_chunkSpace

private

Definition at line 53 of file b2BlockAllocator.h.

b2Block* b2BlockAllocator::m_freeLists[b2_blockSizes]

private

Definition at line 55 of file b2BlockAllocator.h.

uint8 b2BlockAllocator::s_blockSizeLookup

staticprivate

Definition at line 58 of file b2BlockAllocator.h.

bool b2BlockAllocator::s_blockSizeLookupInitialized

staticprivate

Definition at line 59 of file b2BlockAllocator.h.

int32 b2BlockAllocator::s_blockSizes

staticprivate

Initial value:

= 
{
        16,             
        32,             
        64,             
        96,             
        128,    
        160,    
        192,    
        224,    
        256,    
        320,    
        384,    
        448,    
        512,    
        640,    
}

Definition at line 57 of file b2BlockAllocator.h.

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

• b2BlockAllocator.h
• b2BlockAllocator.cpp