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authorDavid Faure <faure@kde.org>2013-01-15 17:41:27 (GMT)
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-01-18 11:56:37 (GMT)
commitcf5442551196c3e7e06e6de85c5f8a198b0ff001 (patch)
tree594d1491df214a0fabaff0d049abf1ba23e4523d /src/dbus
parent20b26bdb3dd5e46b01b9a7e1ce8342074df3c89c (diff)
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QtDBus: Garbage collect deleted objects now and then.
Fixes performance issues in apps which register and deregister objects very frequently (like nepomukstorage). Change-Id: Id7d6ef508336758c55fa894868241f143b3e30e0 Backport-Of: ac9ab9703ff299c94dca7585d5a12ecde28931bb Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/dbus')
-rw-r--r--src/dbus/qdbusintegrator.cpp17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/dbus/qdbusintegrator.cpp b/src/dbus/qdbusintegrator.cpp
index f8bba28..96e4a12 100644
--- a/src/dbus/qdbusintegrator.cpp
+++ b/src/dbus/qdbusintegrator.cpp
@@ -2216,6 +2216,19 @@ QDBusConnectionPrivate::disconnectSignal(SignalHookHash::Iterator &it)
return signalHooks.erase(it);
}
+
+static void cleanupDeletedNodes(QDBusConnectionPrivate::ObjectTreeNode &parent)
+{
+ QMutableVectorIterator<QDBusConnectionPrivate::ObjectTreeNode> it(parent.children);
+ while (it.hasNext()) {
+ QDBusConnectionPrivate::ObjectTreeNode& node = it.next();
+ if (node.obj == 0 && node.children.isEmpty())
+ it.remove();
+ else
+ cleanupDeletedNodes(node);
+ }
+}
+
void QDBusConnectionPrivate::registerObject(const ObjectTreeNode *node)
{
connect(node->obj, SIGNAL(destroyed(QObject*)), SLOT(objectDestroyed(QObject*)),
@@ -2239,6 +2252,10 @@ void QDBusConnectionPrivate::registerObject(const ObjectTreeNode *node)
this, SLOT(relaySignal(QObject*,const QMetaObject*,int,QVariantList)),
Qt::DirectConnection);
}
+
+ static int counter = 0;
+ if ((++counter % 20) == 0)
+ cleanupDeletedNodes(rootNode);
}
void QDBusConnectionPrivate::connectRelay(const QString &service,