QV4::BlockAllocator Struct Reference

#include <qv4mm_p.h>

Collaboration diagram for QV4::BlockAllocator:

Public Types
enum	{ NumBins = 8 }

Public Member Functions
	BlockAllocator (ChunkAllocator *chunkAllocator, ExecutionEngine *engine)
HeapItem *	allocate (size_t sizesize, bool forceAllocation=false)
size_t	totalSlots () const
size_t	allocatedMem () const
size_t	usedMem () const
void	sweep ()
void	freeAll ()
void	resetBlackBits ()

Static Public Member Functions
static size_t	binForSlots (size_t nSlots)

Public Attributes
HeapItem *	nextFree = nullptr
size_t	nFree = 0
size_t	usedSlotsAfterLastSweep = 0
HeapItem *	freeBins [NumBins]
ChunkAllocator *	chunkAllocator
ExecutionEngine *	engine
std::vector< Chunk * >	chunks
uint *	allocationStats = nullptr

Detailed Description

Definition at line 174 of file qv4mm_p.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
NumBins

Definition at line 181 of file qv4mm_p.h.

Constructor & Destructor Documentation

BlockAllocator()

QV4::BlockAllocator::BlockAllocator ( ChunkAllocator * chunkAllocator, ExecutionEngine * engine )

inline

Definition at line 175 of file qv4mm_p.h.

References chunkAllocator, and engine.

Member Function Documentation

allocate()

HeapItem * QV4::BlockAllocator::allocate	(	size_t	size,
		bool	forceAllocation = false )

Definition at line 419 of file qv4mm.cpp.

allocatedMem()

size_t QV4::BlockAllocator::allocatedMem ( ) const

inline

Definition at line 193 of file qv4mm_p.h.

binForSlots()

size_t QV4::BlockAllocator::binForSlots ( size_t nSlots )

inlinestatic

Definition at line 183 of file qv4mm_p.h.

References NumBins.

freeAll()

void QV4::BlockAllocator::freeAll

(

)

Definition at line 553 of file qv4mm.cpp.

resetBlackBits()

void QV4::BlockAllocator::resetBlackBits

(

)

Definition at line 563 of file qv4mm.cpp.

sweep()

void QV4::BlockAllocator::sweep

(

)

Definition at line 525 of file qv4mm.cpp.

totalSlots()

size_t QV4::BlockAllocator::totalSlots ( ) const

inline

Definition at line 189 of file qv4mm_p.h.

usedMem()

size_t QV4::BlockAllocator::usedMem ( ) const

inline

Definition at line 196 of file qv4mm_p.h.

Member Data Documentation

allocationStats

uint* QV4::BlockAllocator::allocationStats = nullptr

Definition at line 215 of file qv4mm_p.h.

chunkAllocator

ChunkAllocator* QV4::BlockAllocator::chunkAllocator

Definition at line 212 of file qv4mm_p.h.

Referenced by BlockAllocator().

chunks

std::vector<Chunk *> QV4::BlockAllocator::chunks

Definition at line 214 of file qv4mm_p.h.

engine

ExecutionEngine* QV4::BlockAllocator::engine

Definition at line 213 of file qv4mm_p.h.

Referenced by BlockAllocator().

freeBins

HeapItem* QV4::BlockAllocator::freeBins[NumBins]

Definition at line 211 of file qv4mm_p.h.

nextFree

HeapItem* QV4::BlockAllocator::nextFree = nullptr

Definition at line 208 of file qv4mm_p.h.

nFree

size_t QV4::BlockAllocator::nFree = 0

Definition at line 209 of file qv4mm_p.h.

usedSlotsAfterLastSweep

size_t QV4::BlockAllocator::usedSlotsAfterLastSweep = 0

Definition at line 210 of file qv4mm_p.h.

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

• qtdeclarative/src/qml/memory/qv4mm_p.h (d5bb081c3d7d297eb020962a46b4b79ff07bfe3f)
• qtdeclarative/src/qml/memory/qv4mm.cpp (3c20488ac4a676c612cef9539144194a4fb86801)