diff options
| -rw-r--r-- | src/dbus/qdbusabstractadaptor.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/dbus/qdbusabstractadaptor.cpp b/src/dbus/qdbusabstractadaptor.cpp index e08714f04d..02ff40068b 100644 --- a/src/dbus/qdbusabstractadaptor.cpp +++ b/src/dbus/qdbusabstractadaptor.cpp @@ -279,7 +279,16 @@ void QDBusAdaptorConnector::polish() void QDBusAdaptorConnector::relaySlot(void **argv) { - relay(sender(), senderSignalIndex(), argv); + QObject *sndr = sender(); + if (Q_LIKELY(sndr)) { + relay(sndr, senderSignalIndex(), argv); + } else { + qWarning("QtDBus: cannot relay signals from parent %s(%p \"%s\") unless they are emitted in the object's thread %s(%p \"%s\"). " + "Current thread is %s(%p \"%s\").", + parent()->metaObject()->className(), parent(), qPrintable(parent()->objectName()), + parent()->thread()->metaObject()->className(), parent()->thread(), qPrintable(parent()->thread()->objectName()), + QThread::currentThread()->metaObject()->className(), QThread::currentThread(), qPrintable(QThread::currentThread()->objectName())); + } } void QDBusAdaptorConnector::relay(QObject *senderObj, int lastSignalIdx, void **argv) |