QSharedData Class

The QSharedData class is a base class for shared data objects. More...

Header: #include <QSharedData>
qmake: QT += core

Note: All functions in this class are reentrant.

Public Functions

QSharedData(const QSharedData &)

Public Variables

QAtomicInt ref

Detailed Description

The QSharedData class is a base class for shared data objects.

QSharedData is designed to be used with QSharedDataPointer or QExplicitlySharedDataPointer to implement custom implicitly shared or explicitly shared classes. QSharedData provides thread-safe reference counting.

See QSharedDataPointer and QExplicitlySharedDataPointer for details.

Member Function Documentation


Constructs a QSharedData object with a reference count of 0.

QSharedData::QSharedData(const QSharedData &)

Constructs a QSharedData object with reference count 0. The parameter is ignored.

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