QV4::MemorySegment Struct Reference

Collaboration diagram for QV4::MemorySegment:

Public Types
enum	{ NumChunks = 8*sizeof(quint64) , SegmentSize = NumChunks*Chunk::ChunkSize }

Public Member Functions
	MemorySegment (size_t size)
	MemorySegment (MemorySegment &&other)
	~MemorySegment ()
void	setBit (size_t index)
void	clearBit (size_t index)
bool	testBit (size_t index) const
Chunk *	allocate (size_t size)
void	free (Chunk *chunk, size_t size)
bool	contains (Chunk *c) const

Public Attributes
PageReservation	pageReservation
Chunk *	base = nullptr
quint64	allocatedMap = 0
size_t	availableBytes = 0
uint	nChunks = 0

Detailed Description

Definition at line 73 of file qv4mm.cpp.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
NumChunks
SegmentSize

Definition at line 74 of file qv4mm.cpp.

Constructor & Destructor Documentation

MemorySegment() [1/2]

QV4::MemorySegment::MemorySegment ( size_t  size )

inline

Definition at line 83 of file qv4mm.cpp.

References base.

MemorySegment() [2/2]

QV4::MemorySegment::MemorySegment ( MemorySegment &&  other )

inline

Definition at line 96 of file qv4mm.cpp.

References base, other(), and qSwap().

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~MemorySegment()

QV4::MemorySegment::~MemorySegment ( )

inline

Definition at line 104 of file qv4mm.cpp.

References base.

Member Function Documentation

allocate()

Chunk * QV4::MemorySegment::allocate

(

size_t

size

)

Definition at line 161 of file qv4mm.cpp.

References base, DEBUG, Qt::hex(), i, Q_ASSERT, setBit(), and testBit().

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clearBit()

void QV4::MemorySegment::clearBit ( size_t  index )

inline

Definition at line 115 of file qv4mm.cpp.

References Q_ASSERT.

contains()

bool QV4::MemorySegment::contains ( Chunk *  c ) const

inline

Definition at line 150 of file qv4mm.cpp.

References base.

free()

void QV4::MemorySegment::free ( Chunk *  chunk, size_t  size  )

inline

Definition at line 128 of file qv4mm.cpp.

References base, DEBUG, Q_ASSERT, qMin(), and testBit().

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setBit()

void QV4::MemorySegment::setBit ( size_t  index )

inline

Definition at line 109 of file qv4mm.cpp.

References Q_ASSERT.

testBit()

bool QV4::MemorySegment::testBit ( size_t  index ) const

inline

Definition at line 121 of file qv4mm.cpp.

References Q_ASSERT.

Member Data Documentation

allocatedMap

quint64 QV4::MemorySegment::allocatedMap = 0

Definition at line 156 of file qv4mm.cpp.

availableBytes

size_t QV4::MemorySegment::availableBytes = 0

Definition at line 157 of file qv4mm.cpp.

base

Chunk* QV4::MemorySegment::base = nullptr

Definition at line 155 of file qv4mm.cpp.

nChunks

uint QV4::MemorySegment::nChunks = 0

Definition at line 158 of file qv4mm.cpp.

pageReservation

PageReservation QV4::MemorySegment::pageReservation

Definition at line 154 of file qv4mm.cpp.

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

• qtdeclarative/src/qml/memory/qv4mm.cpp