KingsleyAlloc Class Reference

#include <kingsley-alloc.h>

Collaboration diagram for KingsleyAlloc:

Classes
struct	Available
struct	Mmap
struct	MmapChunk

Public Member Functions
	KingsleyAlloc (void)
	~KingsleyAlloc ()
KingsleyAlloc *	Clone (void)
void	Dispose ()
void	Free (uint8_t *buffer, uint32_t size)
uint8_t *	Malloc (uint32_t size)
uint8_t *	Realloc (uint8_t *oldBuffer, uint32_t oldSize, uint32_t newSize)
void	SwitchTo (void)

Private Member Functions
uint8_t *	Brk (uint32_t needed)
uint32_t	BucketToSize (uint8_t bucket)
void	MmapAlloc (uint32_t size)
void	MmapFree (uint8_t *buffer, uint32_t size)
uint8_t	SizeToBucket (uint32_t size)

Private Attributes
struct Available *	m_buckets [32]
std::list< struct KingsleyAlloc::MmapChunk >	m_chunks
uint32_t	m_defaultMmapSize

Detailed Description

Definition at line 7 of file kingsley-alloc.h.

Constructor & Destructor Documentation

KingsleyAlloc::KingsleyAlloc

(

void

)

Definition at line 29 of file kingsley-alloc.cc.

References m_buckets.

Referenced by Clone().

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KingsleyAlloc::~KingsleyAlloc

(

)

Definition at line 35 of file kingsley-alloc.cc.

References m_chunks, and MmapFree().

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Member Function Documentation

uint8_t * KingsleyAlloc::Brk ( uint32_t  needed )

private

Definition at line 166 of file kingsley-alloc.cc.

References m_chunks, m_defaultMmapSize, and MmapAlloc().

Referenced by Malloc().

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uint32_t KingsleyAlloc::BucketToSize ( uint8_t  bucket )

private

Definition at line 203 of file kingsley-alloc.cc.

Referenced by Malloc(), and SizeToBucket().

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KingsleyAlloc * KingsleyAlloc::Clone

(

void

)

Definition at line 84 of file kingsley-alloc.cc.

References KingsleyAlloc::Mmap::buffer, KingsleyAlloc::MmapChunk::copy, KingsleyAlloc::Mmap::current, KingsleyAlloc(), m_buckets, m_chunks, KingsleyAlloc::MmapChunk::mmap, KingsleyAlloc::Mmap::refcount, and KingsleyAlloc::Mmap::size.

Referenced by ns3::DceManager::Clone().

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void KingsleyAlloc::Dispose

(

)

Definition at line 70 of file kingsley-alloc.cc.

References m_chunks.

Referenced by ns3::DceManager::DeleteProcess(), and ns3::DceManager::Execve().

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void KingsleyAlloc::Free	(	uint8_t *	buffer,
		uint32_t	size
	)

Definition at line 241 of file kingsley-alloc.cc.

References m_buckets, m_chunks, m_defaultMmapSize, MmapFree(), KingsleyAlloc::Available::next, REPORT_FREE, and SizeToBucket().

Referenced by Realloc().

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uint8_t * KingsleyAlloc::Malloc

(

uint32_t

size

)

Definition at line 210 of file kingsley-alloc.cc.

References Brk(), BucketToSize(), m_buckets, m_defaultMmapSize, MARK_DEFINED, MARK_UNDEFINED, MmapAlloc(), KingsleyAlloc::Available::next, REPORT_MALLOC, and SizeToBucket().

Referenced by Realloc().

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void KingsleyAlloc::MmapAlloc ( uint32_t  size )

private

Definition at line 145 of file kingsley-alloc.cc.

References KingsleyAlloc::MmapChunk::brk, KingsleyAlloc::Mmap::buffer, KingsleyAlloc::MmapChunk::copy, KingsleyAlloc::Mmap::current, m_chunks, MARK_UNDEFINED, KingsleyAlloc::MmapChunk::mmap, KingsleyAlloc::Mmap::refcount, and KingsleyAlloc::Mmap::size.

Referenced by Brk(), and Malloc().

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void KingsleyAlloc::MmapFree ( uint8_t *  buffer, uint32_t  size  )

private

Definition at line 137 of file kingsley-alloc.cc.

Referenced by Free(), and ~KingsleyAlloc().

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uint8_t * KingsleyAlloc::Realloc	(	uint8_t *	oldBuffer,
		uint32_t	oldSize,
		uint32_t	newSize
	)

Definition at line 271 of file kingsley-alloc.cc.

References Free(), and Malloc().

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uint8_t KingsleyAlloc::SizeToBucket ( uint32_t  size )

private

Definition at line 186 of file kingsley-alloc.cc.

References BucketToSize().

Referenced by Free(), and Malloc().

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void KingsleyAlloc::SwitchTo

(

void

)

Definition at line 112 of file kingsley-alloc.cc.

References KingsleyAlloc::Mmap::buffer, KingsleyAlloc::MmapChunk::copy, KingsleyAlloc::Mmap::current, m_chunks, KingsleyAlloc::MmapChunk::mmap, and KingsleyAlloc::Mmap::size.

Referenced by PthreadTaskSwitch(), and ns3::DceManager::TaskSwitch().

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Member Data Documentation

struct Available* KingsleyAlloc::m_buckets[32]

private

Definition at line 51 of file kingsley-alloc.h.

Referenced by Clone(), Free(), KingsleyAlloc(), and Malloc().

std::list<struct KingsleyAlloc::MmapChunk> KingsleyAlloc::m_chunks

private

Definition at line 50 of file kingsley-alloc.h.

Referenced by Brk(), Clone(), Dispose(), Free(), MmapAlloc(), SwitchTo(), and ~KingsleyAlloc().

uint32_t KingsleyAlloc::m_defaultMmapSize

private

Definition at line 52 of file kingsley-alloc.h.

Referenced by Brk(), Free(), and Malloc().

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

• model/kingsley-alloc.h
• model/kingsley-alloc.cc