QtSharedPointer::ExternalRefCountData Struct Reference

#include <qsharedpointer_impl.h>

Inheritance diagram for QtSharedPointer::ExternalRefCountData:

Collaboration diagram for QtSharedPointer::ExternalRefCountData:

Public Types
typedef void(*	DestroyerFn) (ExternalRefCountData *)

Public Member Functions
	ExternalRefCountData (DestroyerFn d)
	ExternalRefCountData (Qt::Initialization)
	~ExternalRefCountData ()
void	destroy ()
Q_CORE_EXPORT void	setQObjectShared (const QObject *, bool enable)
Q_CORE_EXPORT void	checkQObjectShared (const QObject *)
void	checkQObjectShared (...)
void	setQObjectShared (...)
void *	operator new (std::size_t)=delete
void *	operator new (std::size_t, void *ptr) noexcept
void	operator delete (void *ptr)
void	operator delete (void *, void *)

Static Public Member Functions
static Q_CORE_EXPORT ExternalRefCountData *	getAndRef (const QObject *)

Public Attributes
QBasicAtomicInt	weakref
QBasicAtomicInt	strongref
DestroyerFn	destroyer

Detailed Description

Definition at line 98 of file qsharedpointer_impl.h.

Member Typedef Documentation

DestroyerFn

typedef void(* QtSharedPointer::ExternalRefCountData::DestroyerFn) (ExternalRefCountData *)

Definition at line 100 of file qsharedpointer_impl.h.

Constructor & Destructor Documentation

ExternalRefCountData() [1/2]

QtSharedPointer::ExternalRefCountData::ExternalRefCountData ( DestroyerFn  d )

inline

Definition at line 105 of file qsharedpointer_impl.h.

References QBasicAtomicInteger< T >::storeRelaxed(), strongref, and weakref.

Here is the call graph for this function:

ExternalRefCountData() [2/2]

QtSharedPointer::ExternalRefCountData::ExternalRefCountData ( Qt::Initialization  )

inline

Definition at line 111 of file qsharedpointer_impl.h.

~ExternalRefCountData()

QtSharedPointer::ExternalRefCountData::~ExternalRefCountData ( )

inline

Definition at line 112 of file qsharedpointer_impl.h.

References QBasicAtomicInteger< T >::loadRelaxed(), Q_ASSERT, strongref, and weakref.

Here is the call graph for this function:

Member Function Documentation

checkQObjectShared() [1/2]

void QtSharedPointer::ExternalRefCountData::checkQObjectShared (   ... )

inline

Definition at line 121 of file qsharedpointer_impl.h.

checkQObjectShared() [2/2]

void QtSharedPointer::ExternalRefCountData::checkQObjectShared

(

const QObject *

)

This function is called when a QSharedPointer is created from a QWeakPointer

We check that the QWeakPointer was really created from a QSharedPointer, and not from a QObject.

Definition at line 1397 of file qsharedpointer.cpp.

References qWarning.

destroy()

void QtSharedPointer::ExternalRefCountData::destroy ( )

inline

Definition at line 114 of file qsharedpointer_impl.h.

References destroyer.

Referenced by QtSharedPointer::ExternalRefCountWithContiguousData< T >::create().

Here is the caller graph for this function:

getAndRef()

QtSharedPointer::ExternalRefCountData * QtSharedPointer::ExternalRefCountData::getAndRef ( const QObject *  obj )

static

Definition at line 1403 of file qsharedpointer.cpp.

References d, QObjectPrivate::get(), Q_ASSERT, Q_ASSERT_X, QBasicAtomicInteger< T >::ref(), ret, Qt::Uninitialized, and weakref.

Referenced by QV4::QV4QPointer< T >::init().

Here is the call graph for this function:

Here is the caller graph for this function:

operator delete() [1/2]

void QtSharedPointer::ExternalRefCountData::operator delete ( void *  , void *    )

inline

Definition at line 131 of file qsharedpointer_impl.h.

operator delete() [2/2]

void QtSharedPointer::ExternalRefCountData::operator delete ( void *  ptr )

inline

Definition at line 130 of file qsharedpointer_impl.h.

References ptr().

Here is the call graph for this function:

operator new() [1/2]

void * QtSharedPointer::ExternalRefCountData::operator new ( std::size_t  )

inlinedelete

operator new() [2/2]

void * QtSharedPointer::ExternalRefCountData::operator new ( std::size_t  , void *  ptr  )

inlinenoexcept

Definition at line 129 of file qsharedpointer_impl.h.

References ptr().

Here is the call graph for this function:

setQObjectShared() [1/2]

void QtSharedPointer::ExternalRefCountData::setQObjectShared (   ... )

inline

Definition at line 122 of file qsharedpointer_impl.h.

setQObjectShared() [2/2]

QT_BEGIN_NAMESPACE void QtSharedPointer::ExternalRefCountData::setQObjectShared	(	const QObject *	,
		bool	enable
	)

This function is called for a just-created QObject obj, to enable the use of QSharedPointer and QWeakPointer in the future.

Definition at line 1387 of file qsharedpointer.cpp.

Referenced by QSharedPointer< T >::internalConstruct().

Here is the caller graph for this function:

Member Data Documentation

destroyer

DestroyerFn QtSharedPointer::ExternalRefCountData::destroyer

Definition at line 103 of file qsharedpointer_impl.h.

Referenced by destroy().

strongref

QBasicAtomicInt QtSharedPointer::ExternalRefCountData::strongref

Definition at line 102 of file qsharedpointer_impl.h.

Referenced by ExternalRefCountData(), ~ExternalRefCountData(), QObject::~QObject(), QV4::QV4QPointer< T >::data(), QSharedPointer< T >::internalSet(), QWeakPointer< T >::isNull(), QV4::QV4QPointer< T >::isNull(), and QSharedPointer< T >::ref().

weakref

QBasicAtomicInt QtSharedPointer::ExternalRefCountData::weakref

Definition at line 101 of file qsharedpointer_impl.h.

Referenced by ExternalRefCountData(), QWeakPointer< T >::QWeakPointer(), QWeakPointer< T >::QWeakPointer(), ~ExternalRefCountData(), QObject::~QObject(), QWeakPointer< T >::~QWeakPointer(), QV4::QV4QPointer< T >::destroy(), getAndRef(), and QSharedPointer< T >::ref().

---

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

• qtbase/src/corelib/tools/qsharedpointer_impl.h
• qtbase/src/corelib/tools/qsharedpointer.cpp