QV4::MemoryManager Class Reference

#include <qv4mm_p.h>

Collaboration diagram for QV4::MemoryManager:

Public Types
enum	Blockness : quint8 { Unblocked , NormalBlocked , InCriticalSection }

Public Member Functions
	MemoryManager (ExecutionEngine *engine)
	~MemoryManager ()
template<typename ManagedType >
ManagedType::Data *	allocManaged (std::size_t size, Heap::InternalClass *ic)
template<typename ManagedType >
ManagedType::Data *	allocManaged (Heap::InternalClass *ic)
template<typename ManagedType >
ManagedType::Data *	allocManaged (std::size_t size, InternalClass *ic)
template<typename ManagedType >
ManagedType::Data *	allocManaged (InternalClass *ic)
template<typename ManagedType >
ManagedType::Data *	allocManaged (std::size_t size)
template<typename ManagedType >
ManagedType::Data *	allocManaged ()
template<typename ObjectType >
ObjectType::Data *	allocateObject (Heap::InternalClass *ic)
template<typename ObjectType >
ObjectType::Data *	allocateObject (InternalClass *ic)
template<typename ObjectType >
ObjectType::Data *	allocateObject ()
template<typename ManagedType , typename Arg1 >
ManagedType::Data *	allocWithStringData (std::size_t unmanagedSize, Arg1 &&arg1)
template<typename ObjectType , typename... Args>
ObjectType::Data *	allocObject (Heap::InternalClass *ic, Args &&... args)
template<typename ObjectType , typename... Args>
ObjectType::Data *	allocObject (InternalClass *ic, Args &&... args)
template<typename ObjectType , typename... Args>
ObjectType::Data *	allocate (Args &&... args)
template<typename ManagedType , typename... Args>
ManagedType::Data *	alloc (Args &&... args)
void	runGC ()
bool	tryForceGCCompletion ()
void	runFullGC ()
void	dumpStats () const
size_t	getUsedMem () const
size_t	getAllocatedMem () const
size_t	getLargeItemsMem () const
void	changeUnmanagedHeapSizeUsage (qptrdiff delta)
void	updateUnmanagedHeapSizeGCLimit ()
template<typename ManagedType >
ManagedType::Data *	allocIC ()
void	registerWeakMap (Heap::MapObject *map)
void	registerWeakSet (Heap::SetObject *set)
void	onEventLoop ()
void	setGCTimeLimit (int timeMs)
MarkStack *	markStack ()
void	collectFromJSStack (MarkStack *markStack) const
void	sweep (bool lastSweep=false, ClassDestroyStatsCallback classCountPtr=nullptr)
void	cleanupDeletedQObjectWrappersInSweep ()
bool	isAboveUnmanagedHeapLimit ()

Static Public Member Functions
static constexpr std::size_t	align (std::size_t size)

Public Attributes
QV4::ExecutionEngine *	engine
ChunkAllocator *	chunkAllocator
BlockAllocator	blockAllocator
BlockAllocator	icAllocator
HugeItemAllocator	hugeItemAllocator
PersistentValueStorage *	m_persistentValues
PersistentValueStorage *	m_weakValues
QVector< Value * >	m_pendingFreedObjectWrapperValue
Heap::MapObject *	weakMaps = nullptr
Heap::SetObject *	weakSets = nullptr
std::unique_ptr< GCStateMachine >	gcStateMachine {nullptr}
std::unique_ptr< MarkStack >	m_markStack {nullptr}
std::size_t	unmanagedHeapSize = 0
std::size_t	unmanagedHeapSizeGCLimit
std::size_t	usedSlotsAfterLastFullSweep = 0
Blockness	gcBlocked = Unblocked
bool	aggressiveGC = false
bool	gcStats = false
bool	gcCollectorStats = false
int	allocationCount = 0
size_t	lastAllocRequestedSlots = 0
struct {
size_t   maxReservedMem = 0
size_t   maxAllocatedMem = 0
size_t   maxUsedMem = 0
uint   allocations [BlockAllocator::NumBins]
}	statistics

Protected Member Functions
Heap::Base *	allocString (std::size_t unmanagedSize)
	expects size to be aligned
Heap::Base *	allocData (std::size_t size)
Heap::Object *	allocObjectWithMemberData (const QV4::VTable *vtable, uint nMembers)

Friends
template<typename ToBeMarked >
struct	GCCriticalSection

Detailed Description

Definition at line 174 of file qv4mm_p.h.

Member Enumeration Documentation

Blockness

enum QV4::MemoryManager::Blockness : quint8

Enumerator
Unblocked
NormalBlocked
InCriticalSection

Definition at line 421 of file qv4mm_p.h.

Constructor & Destructor Documentation

MemoryManager()

QV4::MemoryManager::MemoryManager

(

ExecutionEngine *

engine

)

Definition at line 900 of file qv4mm.cpp.

References QV4::BlockAllocator::allocationStats, blockAllocator, QV4::CallDestroyObjects, QV4::DoSweep, QV4::FreeWeakMaps, QV4::FreeWeakSets, gcStateMachine, gcStats, QV4::HandleQObjectWrappers, QV4::InitCallDestroyObjects, QV4::InitMarkPersistentValues, QV4::InitMarkWeakValues, QV4::MarkDrain, QV4::MarkGlobalObject, QV4::MarkJSStack, QV4::MarkPersistentValues, QV4::MarkReady, QV4::MarkStart, QV4::MarkWeakValues, and statistics.

~MemoryManager()

QV4::MemoryManager::~MemoryManager

(

)

Definition at line 1401 of file qv4mm.cpp.

References blockAllocator, chunkAllocator, dumpStats(), engine, QV4::BlockAllocator::freeAll(), QV4::HugeItemAllocator::freeAll(), gcStateMachine, hugeItemAllocator, icAllocator, QV4::Invalid, QV4::EngineBase::isGCOngoing, m_markStack, m_persistentValues, m_weakValues, QV4::BlockAllocator::resetBlackBits(), QV4::HugeItemAllocator::resetBlackBits(), setGCTimeLimit(), and sweep().

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Member Function Documentation

align()

static constexpr std::size_t QV4::MemoryManager::align ( std::size_t size )

inlinestaticconstexpr

Definition at line 187 of file qv4mm_p.h.

Referenced by QV4::MemberData::allocate(), allocObjectWithMemberData(), and allocString().

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alloc()

template<typename ManagedType , typename... Args>

ManagedType::Data * QV4::MemoryManager::alloc ( Args &&... args )

inline

Definition at line 307 of file qv4mm_p.h.

References args, and engine.

Referenced by QV4::RuntimeHelpers::addHelper(), QV4::RegExpObject::builtinExec(), QV4::Symbol::create(), QV4::QmlContext::create(), QV4::RegExpPrototype::execFirstMatch(), QV4::StringPrototype::method_slice(), and QV4::ExecutionContext::newWithContext().

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allocate()

template<typename ObjectType , typename... Args>

ObjectType::Data * QV4::MemoryManager::allocate ( Args &&... args )

inline

Definition at line 298 of file qv4mm_p.h.

References args, and engine.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), allocData(), allocString(), QtObject::binding(), QV4::NodeList::create(), QV4::NamedNodeMap::create(), QV4::QQmlTypeWrapper::create(), QV4::QQmlTypeWrapper::create(), QV4::QMetaObjectWrapper::create(), QV4::QmlListWrapper::create(), QV4::QmlListWrapper::create(), QV4::QmlListWrapper::create(), QV4::Node::create(), QV4::QmlContext::create(), QV4::QQmlSqlDatabaseWrapper::create(), QQuickJSContext2DPrototype::create(), QV4::FunctionObject::createBuiltinFunction(), QV4::FunctionObject::createConstructorFunction(), QV4::FunctionObject::createScriptFunction(), QV4::Heap::Sequence::detached(), QV4::Promise::ReactionHandler::executeResolveThenable(), QQmlDMAbstractItemModelData::get(), QQmlDMListAccessorData::get(), QQmlDelegateModelGroup::get(), QQmlListModel::get(), QV4::NodePrototype::getProto(), QQmlComponent::incubateObject(), QV4::GlobalExtensions::init(), VDMAbstractItemModelDataType::initializeConstructor(), QV4::Document::load(), QV4::PromiseCtor::method_all(), QQuickJSContext2DPrototype::method_createConicalGradient(), QQuickJSContext2DPrototype::method_createLinearGradient(), QQuickJSContext2DPrototype::method_createPattern(), QQuickJSContext2DPrototype::method_createRadialGradient(), QV4::StringPrototype::method_iterator(), QV4::PromiseCtor::method_race(), QV4::PromiseCtor::method_reject(), QV4::PromiseCtor::method_resolve(), QV4::Proxy::method_revocable(), QV4::PromisePrototype::method_then(), QV4::ExecutionEngine::newArrayBuffer(), QV4::ExecutionEngine::newArrayBuffer(), QV4::ExecutionEngine::newArrayIteratorObject(), QV4::ExecutionEngine::newArrayObject(), QV4::ExecutionEngine::newArrayObject(), QV4::ExecutionEngine::newArrayObject(), QV4::ExecutionEngine::newBooleanObject(), QV4::ExecutionEngine::newDateObject(), QV4::ExecutionEngine::newDateObject(), QV4::ExecutionEngine::newDateObject(), QV4::ExecutionEngine::newDateObject(), QV4::ExecutionEngine::newDateObject(), QV4::ExecutionEngine::newForInIteratorObject(), QV4::ExecutionEngine::newMapIteratorObject(), QV4::ExecutionEngine::newNumberObject(), QV4::ExecutionEngine::newObject(), QV4::ExecutionEngine::newPromiseObject(), QV4::ExecutionEngine::newPromiseObject(), QV4::ExecutionEngine::newRegExpObject(), QV4::ExecutionEngine::newSetIteratorObject(), QV4::ExecutionEngine::newStringObject(), QV4::ExecutionEngine::newUrlObject(), QV4::ExecutionEngine::newUrlSearchParamsObject(), QV4::ExecutionEngine::newVariantObject(), qt_add_qmlxmlhttprequest(), qt_create_image_data(), QV4::Proxy::virtualCallAsConstructor(), QV4::QQmlTypeWrapper::virtualGet(), and QV4::QQmlTypeWrapper::virtualResolveLookupGetter().

allocateObject() [1/3]

template<typename ObjectType >

ObjectType::Data * QV4::MemoryManager::allocateObject ( )

inline

Definition at line 262 of file qv4mm_p.h.

References d, and engine.

allocateObject() [2/3]

template<typename ObjectType >

ObjectType::Data * QV4::MemoryManager::allocateObject ( Heap::InternalClass * ic )

inline

Definition at line 246 of file qv4mm_p.h.

References engine, o, Q_ASSERT, and QV4::Heap::InternalClass::size.

allocateObject() [3/3]

template<typename ObjectType >

ObjectType::Data * QV4::MemoryManager::allocateObject ( InternalClass * ic )

inline

Definition at line 256 of file qv4mm_p.h.

allocData()

Heap::Base * QV4::MemoryManager::allocData ( std::size_t size )

protected

Definition at line 999 of file qv4mm.cpp.

References allocate(), allocationCount, blockAllocator, lastAllocRequestedSlots, Q_ASSERT, QV4::Chunk::SlotSize, and QV4::Chunk::SlotSizeShift.

Referenced by allocObjectWithMemberData().

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allocIC()

template<typename ManagedType >

ManagedType::Data * QV4::MemoryManager::allocIC ( )

inline

Definition at line 333 of file qv4mm_p.h.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), and QV4::ExecutionEngine::newClass().

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allocManaged() [1/6]

template<typename ManagedType >

ManagedType::Data * QV4::MemoryManager::allocManaged ( )

inline

Definition at line 237 of file qv4mm_p.h.

References engine.

allocManaged() [2/6]

template<typename ManagedType >

ManagedType::Data * QV4::MemoryManager::allocManaged ( Heap::InternalClass * ic )

inline

Definition at line 211 of file qv4mm_p.h.

allocManaged() [3/6]

template<typename ManagedType >

ManagedType::Data * QV4::MemoryManager::allocManaged ( InternalClass * ic )

inline

Definition at line 223 of file qv4mm_p.h.

allocManaged() [4/6]

template<typename ManagedType >

ManagedType::Data * QV4::MemoryManager::allocManaged ( std::size_t size )

inline

Definition at line 229 of file qv4mm_p.h.

References engine.

allocManaged() [5/6]

template<typename ManagedType >

ManagedType::Data * QV4::MemoryManager::allocManaged ( std::size_t size, Heap::InternalClass * ic )

inline

Definition at line 199 of file qv4mm_p.h.

References d, engine, Q_ASSERT, Q_STATIC_ASSERT, and QV4::Heap::InternalClass::vtable.

Referenced by QV4::MemberData::allocate(), QV4::ExecutionContext::cloneBlockContext(), QV4::ExecutionEngine::initRootContext(), QV4::ExecutionEngine::newArrayObject(), QV4::ExecutionContext::newBlockContext(), QV4::ExecutionContext::newCallContext(), QV4::ArrayData::realloc(), and QV4::GeneratorFunction::virtualCall().

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allocManaged() [6/6]

template<typename ManagedType >

ManagedType::Data * QV4::MemoryManager::allocManaged ( std::size_t size, InternalClass * ic )

inline

Definition at line 217 of file qv4mm_p.h.

allocObject() [1/2]

template<typename ObjectType , typename... Args>

ObjectType::Data * QV4::MemoryManager::allocObject ( Heap::InternalClass * ic, Args &&... args )

inline

Definition at line 282 of file qv4mm_p.h.

References args, and d.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), QV4::ErrorObject::create(), QV4::ErrorObject::create(), QV4::ErrorObject::create(), QV4::TypedArray::create(), QV4::ExecutionEngine::newArrayObject(), QV4::ExecutionEngine::newObject(), QV4::ExecutionEngine::newSymbolObject(), and QV4::ScriptFunction::virtualCallAsConstructor().

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allocObject() [2/2]

template<typename ObjectType , typename... Args>

ObjectType::Data * QV4::MemoryManager::allocObject ( InternalClass * ic, Args &&... args )

inline

Definition at line 290 of file qv4mm_p.h.

References args, and d.

allocObjectWithMemberData()

Heap::Object * QV4::MemoryManager::allocObjectWithMemberData ( const QV4::VTable * vtable, uint nMembers )

protected

Definition at line 1014 of file qv4mm.cpp.

References align(), QV4::HugeItemAllocator::allocate(), allocData(), QV4::HeapItem::as(), QV4::EngineBase::Class_MemberData, QV4::Chunk::clearBit(), QV4::Chunk::DataSize, engine, hugeItemAllocator, QV4::VTable::inlinePropertyOffset, QV4::EngineBase::internalClasses(), QV4::VTable::nInlineProperties, o, Q_ASSERT, QV4::Chunk::realBase(), QV4::Chunk::setBit(), and QV4::Chunk::SlotSizeShift.

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allocString()

Heap::Base * QV4::MemoryManager::allocString ( std::size_t unmanagedSize )

protected

expects size to be aligned

Definition at line 985 of file qv4mm.cpp.

References align(), allocate(), allocationCount, blockAllocator, lastAllocRequestedSlots, QV4::Chunk::SlotSizeShift, and unmanagedHeapSize.

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allocWithStringData()

template<typename ManagedType , typename Arg1 >

ManagedType::Data * QV4::MemoryManager::allocWithStringData ( std::size_t unmanagedSize, Arg1 && arg1 )

inline

Definition at line 272 of file qv4mm_p.h.

References engine, o, and Q_ASSERT.

Referenced by QV4::ExecutionEngine::newIdentifier(), and QV4::ExecutionEngine::newString().

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changeUnmanagedHeapSizeUsage()

void QV4::MemoryManager::changeUnmanagedHeapSizeUsage ( qptrdiff delta )

inline

Definition at line 327 of file qv4mm_p.h.

cleanupDeletedQObjectWrappersInSweep()

void QV4::MemoryManager::cleanupDeletedQObjectWrappersInSweep

(

)

Definition at line 1154 of file qv4mm.cpp.

References QSet< T >::begin(), QV4::PersistentValueStorage::begin(), QSet< T >::end(), QV4::PersistentValueStorage::end(), engine, QSet< T >::erase(), QV4::PersistentValueStorage::free(), i, it, QV4::ExecutionEngine::m_multiplyWrappedQObjects, m_pendingFreedObjectWrapperValue, m_weakValues, QV4::Value::managed(), and QV4::Value::undefinedValue().

Referenced by sweep().

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collectFromJSStack()

void QV4::MemoryManager::collectFromJSStack

(

MarkStack *

markStack

)

const

Definition at line 1448 of file qv4mm.cpp.

References engine, QV4::EngineBase::jsStackBase, QV4::EngineBase::jsStackTop, QV4::Value::managed(), markStack(), and Q_ASSERT.

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dumpStats()

void QV4::MemoryManager::dumpStats

(

)

const

Definition at line 1432 of file qv4mm.cpp.

References gcStats, i, QV4::BlockAllocator::NumBins, qDebug, QV4::Chunk::SlotSizeShift, and statistics.

Referenced by ~MemoryManager().

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getAllocatedMem()

size_t QV4::MemoryManager::getAllocatedMem

(

)

const

Definition at line 1356 of file qv4mm.cpp.

References QV4::BlockAllocator::allocatedMem(), blockAllocator, hugeItemAllocator, icAllocator, and QV4::HugeItemAllocator::usedMem().

Referenced by runGC().

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getLargeItemsMem()

size_t QV4::MemoryManager::getLargeItemsMem

(

)

const

Definition at line 1361 of file qv4mm.cpp.

References hugeItemAllocator, and QV4::HugeItemAllocator::usedMem().

Referenced by runGC().

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getUsedMem()

size_t QV4::MemoryManager::getUsedMem

(

)

const

Definition at line 1351 of file qv4mm.cpp.

References blockAllocator, icAllocator, and QV4::BlockAllocator::usedMem().

Referenced by runGC().

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isAboveUnmanagedHeapLimit()

bool QV4::MemoryManager::isAboveUnmanagedHeapLimit ( )

inline

Definition at line 363 of file qv4mm_p.h.

Referenced by QV4::GCCriticalSection< ToBeMarked >::~GCCriticalSection().

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markStack()

MarkStack * QV4::MemoryManager::markStack ( )

inline

Definition at line 346 of file qv4mm_p.h.

Referenced by QV4::GCCriticalSection< ToBeMarked >::~GCCriticalSection(), and collectFromJSStack().

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onEventLoop()

void QV4::MemoryManager::onEventLoop

(

)

Definition at line 1092 of file qv4mm.cpp.

References engine, gcBlocked, gcStateMachine, InCriticalSection, QV4::EngineBase::inShutdown, QMetaObject::invokeMethod(), QV4::ExecutionEngine::publicEngine, and Qt::QueuedConnection.

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registerWeakMap()

void QV4::MemoryManager::registerWeakMap

(

Heap::MapObject *

map

)

Definition at line 1389 of file qv4mm.cpp.

References map, and weakMaps.

registerWeakSet()

void QV4::MemoryManager::registerWeakSet

(

Heap::SetObject *

set

)

Definition at line 1395 of file qv4mm.cpp.

References set, and weakSets.

runFullGC()

void QV4::MemoryManager::runFullGC

(

)

Definition at line 1250 of file qv4mm.cpp.

References m_markStack, runGC(), and tryForceGCCompletion().

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runGC()

void QV4::MemoryManager::runGC

(

)

Definition at line 1258 of file qv4mm.cpp.

References QV4::BlockAllocator::allocatedMem(), allocationCount, blockAllocator, QSet< T >::cbegin(), QSet< T >::cend(), QV4::BlockAllocator::chunks, QSet< T >::constBegin(), QSet< T >::constEnd(), QV4::dumpBins(), QString::fromLatin1(), gcBlocked, gcCollectorStats, gcStateMachine, gcStats, getAllocatedMem(), getLargeItemsMem(), getUsedMem(), icAllocator, it, lastAllocRequestedSlots, QV4::markStackSize, NormalBlocked, QString::number(), qDebug, qMax(), QElapsedTimer::start(), statistics, Unblocked, unmanagedHeapSize, and unmanagedHeapSizeGCLimit.

Referenced by QV4::GCCriticalSection< ToBeMarked >::~GCCriticalSection(), QQmlEngine::clearComponentCache(), QJSEngine::collectGarbage(), and runFullGC().

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setGCTimeLimit()

void QV4::MemoryManager::setGCTimeLimit

(

int

timeMs

)

Definition at line 1108 of file qv4mm.cpp.

References gcStateMachine.

Referenced by ~MemoryManager(), and QQmlEngine::clearComponentCache().

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sweep()

void QV4::MemoryManager::sweep	(	bool	lastSweep = false,
		ClassDestroyStatsCallback	classCountPtr = nullptr )

Definition at line 1113 of file qv4mm.cpp.

References QV4::Value::as(), QV4::PersistentValueStorage::begin(), blockAllocator, cleanupDeletedQObjectWrappersInSweep(), QV4::PersistentValueStorage::end(), engine, gcBlocked, hugeItemAllocator, icAllocator, QV4::EngineBase::identifierTable, it, m_weakValues, QV4::Value::managed(), QV4::BlockAllocator::resetBlackBits(), QV4::HugeItemAllocator::resetBlackBits(), QV4::IdentifierTable::sweep(), QV4::BlockAllocator::sweep(), QV4::HugeItemAllocator::sweep(), Unblocked, updateUnmanagedHeapSizeGCLimit(), usedSlotsAfterLastFullSweep, and QV4::BlockAllocator::usedSlotsAfterLastSweep.

Referenced by ~MemoryManager().

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tryForceGCCompletion()

bool QV4::MemoryManager::tryForceGCCompletion

(

)

Precondition: Incremental garbage collection must be currently active Finishes incremental garbage collection, unless in a critical section Code entering a critical section is expected to check if we need to force a gc completion, and to trigger the gc again if necessary when exiting the critcial section. Returns true if the gc cycle completed, false otherwise.

Definition at line 1236 of file qv4mm.cpp.

References gcBlocked, gcStateMachine, InCriticalSection, m_markStack, and Q_ASSERT.

Referenced by QV4::GCCriticalSection< ToBeMarked >::~GCCriticalSection(), and runFullGC().

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updateUnmanagedHeapSizeGCLimit()

void QV4::MemoryManager::updateUnmanagedHeapSizeGCLimit

(

)

Definition at line 1366 of file qv4mm.cpp.

References aggressiveGC, QV4::BlockAllocator::allocatedMem(), blockAllocator, QV4::dumpBins(), engine, icAllocator, QV4::EngineBase::inShutdown, Q_ASSERT, qMax(), unmanagedHeapSize, unmanagedHeapSizeGCLimit, and QV4::BlockAllocator::usedMem().

Referenced by sweep().

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Friends And Related Symbol Documentation

GCCriticalSection

template<typename ToBeMarked >

friend struct GCCriticalSection

friend

Definition at line 183 of file qv4mm_p.h.

Member Data Documentation

aggressiveGC

bool QV4::MemoryManager::aggressiveGC = false

Definition at line 423 of file qv4mm_p.h.

Referenced by updateUnmanagedHeapSizeGCLimit().

allocationCount

int QV4::MemoryManager::allocationCount = 0

Definition at line 427 of file qv4mm_p.h.

Referenced by allocData(), allocString(), and runGC().

allocations

uint QV4::MemoryManager::allocations[BlockAllocator::NumBins]

Definition at line 434 of file qv4mm_p.h.

blockAllocator

BlockAllocator QV4::MemoryManager::blockAllocator

Definition at line 405 of file qv4mm_p.h.

Referenced by MemoryManager(), ~MemoryManager(), allocData(), allocString(), getAllocatedMem(), getUsedMem(), runGC(), sweep(), and updateUnmanagedHeapSizeGCLimit().

chunkAllocator

ChunkAllocator* QV4::MemoryManager::chunkAllocator

Definition at line 404 of file qv4mm_p.h.

Referenced by ~MemoryManager().

engine

QV4::ExecutionEngine* QV4::MemoryManager::engine

Definition at line 403 of file qv4mm_p.h.

Referenced by ~MemoryManager(), allocObjectWithMemberData(), cleanupDeletedQObjectWrappersInSweep(), collectFromJSStack(), onEventLoop(), sweep(), QV4::GCStateMachine::transition(), and updateUnmanagedHeapSizeGCLimit().

gcBlocked

Blockness QV4::MemoryManager::gcBlocked = Unblocked

Definition at line 422 of file qv4mm_p.h.

Referenced by QV4::GCCriticalSection< ToBeMarked >::~GCCriticalSection(), onEventLoop(), runGC(), sweep(), and tryForceGCCompletion().

gcCollectorStats

bool QV4::MemoryManager::gcCollectorStats = false

Definition at line 425 of file qv4mm_p.h.

Referenced by runGC().

gcStateMachine

std::unique_ptr<GCStateMachine> QV4::MemoryManager::gcStateMachine {nullptr}

Definition at line 414 of file qv4mm_p.h.

Referenced by MemoryManager(), ~MemoryManager(), QQmlEngine::clearComponentCache(), onEventLoop(), runGC(), QV4::WeakValue::set(), QV4::WeakValue::set(), QV4::WeakValue::set(), setGCTimeLimit(), and tryForceGCCompletion().

gcStats

bool QV4::MemoryManager::gcStats = false

Definition at line 424 of file qv4mm_p.h.

Referenced by MemoryManager(), dumpStats(), and runGC().

hugeItemAllocator

HugeItemAllocator QV4::MemoryManager::hugeItemAllocator

Definition at line 407 of file qv4mm_p.h.

Referenced by ~MemoryManager(), allocObjectWithMemberData(), getAllocatedMem(), getLargeItemsMem(), and sweep().

icAllocator

BlockAllocator QV4::MemoryManager::icAllocator

Definition at line 406 of file qv4mm_p.h.

Referenced by ~MemoryManager(), getAllocatedMem(), getUsedMem(), runGC(), sweep(), and updateUnmanagedHeapSizeGCLimit().

lastAllocRequestedSlots

size_t QV4::MemoryManager::lastAllocRequestedSlots = 0

Definition at line 428 of file qv4mm_p.h.

Referenced by allocData(), allocString(), and runGC().

m_markStack

std::unique_ptr<MarkStack> QV4::MemoryManager::m_markStack {nullptr}

Definition at line 415 of file qv4mm_p.h.

Referenced by ~MemoryManager(), runFullGC(), and tryForceGCCompletion().

m_pendingFreedObjectWrapperValue

QVector<Value *> QV4::MemoryManager::m_pendingFreedObjectWrapperValue

Definition at line 410 of file qv4mm_p.h.

Referenced by cleanupDeletedQObjectWrappersInSweep().

m_persistentValues

PersistentValueStorage* QV4::MemoryManager::m_persistentValues

Definition at line 408 of file qv4mm_p.h.

Referenced by QJSManagedValue::QJSManagedValue(), ~MemoryManager(), QV4::ExecutionEngine::registerNativeModule(), QV4::PersistentValue::set(), QV4::PersistentValue::set(), and QV4::PersistentValue::set().

m_weakValues

PersistentValueStorage* QV4::MemoryManager::m_weakValues

Definition at line 409 of file qv4mm_p.h.

Referenced by ~MemoryManager(), cleanupDeletedQObjectWrappersInSweep(), and sweep().

maxAllocatedMem

size_t QV4::MemoryManager::maxAllocatedMem = 0

Definition at line 432 of file qv4mm_p.h.

maxReservedMem

size_t QV4::MemoryManager::maxReservedMem = 0

Definition at line 431 of file qv4mm_p.h.

maxUsedMem

size_t QV4::MemoryManager::maxUsedMem = 0

Definition at line 433 of file qv4mm_p.h.

[struct]

struct { ... } QV4::MemoryManager::statistics

Referenced by MemoryManager(), dumpStats(), and runGC().

unmanagedHeapSize

std::size_t QV4::MemoryManager::unmanagedHeapSize = 0

Definition at line 417 of file qv4mm_p.h.

Referenced by allocString(), runGC(), and updateUnmanagedHeapSizeGCLimit().

unmanagedHeapSizeGCLimit

std::size_t QV4::MemoryManager::unmanagedHeapSizeGCLimit

Definition at line 418 of file qv4mm_p.h.

Referenced by runGC(), and updateUnmanagedHeapSizeGCLimit().

usedSlotsAfterLastFullSweep

std::size_t QV4::MemoryManager::usedSlotsAfterLastFullSweep = 0

Definition at line 419 of file qv4mm_p.h.

Referenced by sweep().

weakMaps

Heap::MapObject* QV4::MemoryManager::weakMaps = nullptr

Definition at line 411 of file qv4mm_p.h.

Referenced by registerWeakMap().

weakSets

Heap::SetObject* QV4::MemoryManager::weakSets = nullptr

Definition at line 412 of file qv4mm_p.h.

Referenced by registerWeakSet().

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

• qtdeclarative/src/qml/memory/qv4mm_p.h (0709d83dc65b49eadec7433bd9b3518b6473c6e8)
• qtdeclarative/src/qml/memory/qv4mm.cpp (de436b852586ab03f93418ddf55f90082e93ae03)