diff options
-rw-r--r-- | src/corelib/kernel/qobject.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp index 9a2ae36177..69556ba9e3 100644 --- a/src/corelib/kernel/qobject.cpp +++ b/src/corelib/kernel/qobject.cpp @@ -4187,13 +4187,14 @@ void QObject::dumpObjectInfo() const } #ifndef QT_NO_USERDATA +static QBasicAtomicInteger<uint> user_data_registration = Q_BASIC_ATOMIC_INITIALIZER(0); + /*! \internal */ uint QObject::registerUserData() { - static int user_data_registration = 0; - return user_data_registration++; + return user_data_registration.fetchAndAddRelaxed(1); } /*! |