QDBusServer: delay processing of D-Bus messages

We must ensure that QDBusServer's newConnection() signal has been
processed by the application, before starting processing messages on it.

Task-number: QTBUG-55087
Change-Id: I595329b2f98788dbf9f40558b8c230c0c0817ef8
Reviewed-by: Timo Jyrinki <timo.jyrinki@iki.fi>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/dbus/qdbusserver.cpp b/src/dbus/qdbusserver.cpp
index babb270da0..39d08b4e63 100644
--- a/src/dbus/qdbusserver.cpp
+++ b/src/dbus/qdbusserver.cpp
@@ -97,6 +97,7 @@ QDBusServer::QDBusServer(QObject *parent)
 */
 QDBusServer::~QDBusServer()
 {
+    QWriteLocker locker(&d->lock);
     if (QDBusConnectionManager::instance()) {
         QMutexLocker locker(&QDBusConnectionManager::instance()->mutex);
         Q_FOREACH (const QString &name, d->serverConnectionNames) {
@@ -104,6 +105,7 @@ QDBusServer::~QDBusServer()
         }
         d->serverConnectionNames.clear();
     }
+    d->serverObject = nullptr;
     d->ref.store(0);
     d->deleteLater();
 }