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-rw-r--r--src/dbus/qdbusconnection.cpp2
-rw-r--r--src/dbus/qdbusconnection_p.h8
-rw-r--r--src/dbus/qdbusintegrator.cpp81
3 files changed, 40 insertions, 51 deletions
diff --git a/src/dbus/qdbusconnection.cpp b/src/dbus/qdbusconnection.cpp
index 6f0473d9e4..e9196173ad 100644
--- a/src/dbus/qdbusconnection.cpp
+++ b/src/dbus/qdbusconnection.cpp
@@ -765,7 +765,6 @@ bool QDBusConnection::connect(const QString &service, const QString &path, const
return false;
}
- QDBusWriteLocker locker(ConnectAction, d);
return d->connectSignal(service, path, interface, name, argumentMatch, signature, receiver, slot);
}
@@ -821,7 +820,6 @@ bool QDBusConnection::disconnect(const QString &service, const QString &path, co
if (interface.isEmpty() && name.isEmpty())
return false;
- QDBusWriteLocker locker(DisconnectAction, d);
return d->disconnectSignal(service, path, interface, name, argumentMatch, signature, receiver, slot);
}
diff --git a/src/dbus/qdbusconnection_p.h b/src/dbus/qdbusconnection_p.h
index 5f7f58e549..e12b77837e 100644
--- a/src/dbus/qdbusconnection_p.h
+++ b/src/dbus/qdbusconnection_p.h
@@ -213,8 +213,6 @@ public:
bool connectSignal(const QString &service, const QString &path, const QString& interface,
const QString &name, const QStringList &argumentMatch, const QString &signature,
QObject *receiver, const char *slot);
- void connectSignal(const QString &key, const SignalHook &hook);
- SignalHookHash::Iterator disconnectSignal(SignalHookHash::Iterator &it);
bool disconnectSignal(const QString &service, const QString &path, const QString& interface,
const QString &name, const QStringList &argumentMatch, const QString &signature,
QObject *receiver, const char *slot);
@@ -254,6 +252,8 @@ private:
void deliverCall(QObject *object, int flags, const QDBusMessage &msg,
const QVector<int> &metaTypes, int slotIdx);
+ SignalHookHash::Iterator removeSignalHookNoLock(SignalHookHash::Iterator it);
+
bool isServiceRegisteredByThread(const QString &serviceName);
QString getNameOwnerNoCache(const QString &service);
@@ -270,6 +270,8 @@ public slots:
void socketWrite(int);
void objectDestroyed(QObject *o);
void relaySignal(QObject *obj, const QMetaObject *, int signalId, const QVariantList &args);
+ void addSignalHook(const QString &key, const SignalHook &hook);
+ bool removeSignalHook(const QString &key, const SignalHook &hook);
private slots:
void serviceOwnerChangedNoLock(const QString &name, const QString &oldOwner, const QString &newOwner);
@@ -279,6 +281,8 @@ private slots:
signals:
void dispatchStatusChanged();
void messageNeedsSending(QDBusPendingCallPrivate *pcall, void *msg, int timeout = -1);
+ void signalNeedsConnecting(const QString &key, const QDBusConnectionPrivate::SignalHook &hook);
+ bool signalNeedsDisconnecting(const QString &key, const QDBusConnectionPrivate::SignalHook &hook);
void serviceOwnerChanged(const QString &name, const QString &oldOwner, const QString &newOwner);
void callWithCallbackFailed(const QDBusError &error, const QDBusMessage &message);
void newServerConnection(QDBusConnectionPrivate *newConnection);
diff --git a/src/dbus/qdbusintegrator.cpp b/src/dbus/qdbusintegrator.cpp
index c86d9f1eba..6fccccabd3 100644
--- a/src/dbus/qdbusintegrator.cpp
+++ b/src/dbus/qdbusintegrator.cpp
@@ -968,6 +968,10 @@ QDBusConnectionPrivate::QDBusConnectionPrivate(QObject *p)
this, &QDBusConnectionPrivate::doDispatch, Qt::QueuedConnection);
connect(this, &QDBusConnectionPrivate::messageNeedsSending,
this, &QDBusConnectionPrivate::sendInternal);
+ connect(this, &QDBusConnectionPrivate::signalNeedsConnecting,
+ this, &QDBusConnectionPrivate::addSignalHook, Qt::BlockingQueuedConnection);
+ connect(this, &QDBusConnectionPrivate::signalNeedsDisconnecting,
+ this, &QDBusConnectionPrivate::removeSignalHook, Qt::BlockingQueuedConnection);
rootNode.flags = 0;
@@ -1108,7 +1112,7 @@ void QDBusConnectionPrivate::objectDestroyed(QObject *obj)
SignalHookHash::iterator sit = signalHooks.begin();
while (sit != signalHooks.end()) {
if (static_cast<QObject *>(sit.value().obj) == obj)
- sit = disconnectSignal(sit);
+ sit = removeSignalHookNoLock(sit);
else
++sit;
}
@@ -2053,6 +2057,15 @@ bool QDBusConnectionPrivate::connectSignal(const QString &service,
if (!prepareHook(hook, key, service, path, interface, name, argumentMatch, receiver, slot, 0, false))
return false; // don't connect
+ Q_ASSERT(thread() != QThread::currentThread());
+ emit signalNeedsConnecting(key, hook);
+ return true;
+}
+
+void QDBusConnectionPrivate::addSignalHook(const QString &key, const SignalHook &hook)
+{
+ QDBusWriteLocker locker(ConnectAction, this);
+
// avoid duplicating:
QDBusConnectionPrivate::SignalHookHash::ConstIterator it = signalHooks.constFind(key);
QDBusConnectionPrivate::SignalHookHash::ConstIterator end = signalHooks.constEnd();
@@ -2065,24 +2078,18 @@ bool QDBusConnectionPrivate::connectSignal(const QString &service,
entry.midx == hook.midx &&
entry.argumentMatch == hook.argumentMatch) {
// no need to compare the parameters if it's the same slot
- return true; // already there
+ return; // already there
}
}
- connectSignal(key, hook);
- return true;
-}
-
-void QDBusConnectionPrivate::connectSignal(const QString &key, const SignalHook &hook)
-{
signalHooks.insertMulti(key, hook);
connect(hook.obj, SIGNAL(destroyed(QObject*)), SLOT(objectDestroyed(QObject*)),
- Qt::ConnectionType(Qt::DirectConnection | Qt::UniqueConnection));
+ Qt::ConnectionType(Qt::BlockingQueuedConnection | Qt::UniqueConnection));
- MatchRefCountHash::iterator it = matchRefCounts.find(hook.matchRule);
+ MatchRefCountHash::iterator mit = matchRefCounts.find(hook.matchRule);
- if (it != matchRefCounts.end()) { // Match already present
- it.value() = it.value() + 1;
+ if (mit != matchRefCounts.end()) { // Match already present
+ mit.value() = mit.value() + 1;
return;
}
@@ -2128,7 +2135,14 @@ bool QDBusConnectionPrivate::disconnectSignal(const QString &service,
if (!prepareHook(hook, key, service, path, interface, name, argumentMatch, receiver, slot, 0, false))
return false; // don't disconnect
- // avoid duplicating:
+ Q_ASSERT(thread() != QThread::currentThread());
+ return emit signalNeedsDisconnecting(key, hook);
+}
+
+bool QDBusConnectionPrivate::removeSignalHook(const QString &key, const SignalHook &hook)
+{
+ // remove it from our list:
+ QDBusWriteLocker locker(ConnectAction, this);
QDBusConnectionPrivate::SignalHookHash::Iterator it = signalHooks.find(key);
QDBusConnectionPrivate::SignalHookHash::Iterator end = signalHooks.end();
for ( ; it != end && it.key() == key; ++it) {
@@ -2140,7 +2154,7 @@ bool QDBusConnectionPrivate::disconnectSignal(const QString &service,
entry.midx == hook.midx &&
entry.argumentMatch == hook.argumentMatch) {
// no need to compare the parameters if it's the same slot
- disconnectSignal(it);
+ removeSignalHookNoLock(it);
return true; // it was there
}
}
@@ -2150,7 +2164,7 @@ bool QDBusConnectionPrivate::disconnectSignal(const QString &service,
}
QDBusConnectionPrivate::SignalHookHash::Iterator
-QDBusConnectionPrivate::disconnectSignal(SignalHookHash::Iterator &it)
+QDBusConnectionPrivate::removeSignalHookNoLock(SignalHookHash::Iterator it)
{
const SignalHook &hook = it.value();
@@ -2196,7 +2210,7 @@ QDBusConnectionPrivate::disconnectSignal(SignalHookHash::Iterator &it)
void QDBusConnectionPrivate::registerObject(const ObjectTreeNode *node)
{
connect(node->obj, SIGNAL(destroyed(QObject*)), SLOT(objectDestroyed(QObject*)),
- Qt::DirectConnection);
+ Qt::ConnectionType(Qt::BlockingQueuedConnection | Qt::UniqueConnection));
if (node->flags & (QDBusConnection::ExportAdaptors
| QDBusConnection::ExportScriptableSignals
@@ -2250,21 +2264,8 @@ void QDBusConnectionPrivate::connectRelay(const QString &service,
QDBusAbstractInterface::staticMetaObject.methodCount(), true))
return; // don't connect
- // add it to our list:
- QDBusWriteLocker locker(ConnectRelayAction, this);
- SignalHookHash::ConstIterator it = signalHooks.constFind(key);
- SignalHookHash::ConstIterator end = signalHooks.constEnd();
- for ( ; it != end && it.key() == key; ++it) {
- const SignalHook &entry = it.value();
- if (entry.service == hook.service &&
- entry.path == hook.path &&
- entry.signature == hook.signature &&
- entry.obj == hook.obj &&
- entry.midx == hook.midx)
- return; // already there, no need to re-add
- }
-
- connectSignal(key, hook);
+ Q_ASSERT(thread() != QThread::currentThread());
+ emit signalNeedsConnecting(key, hook);
}
void QDBusConnectionPrivate::disconnectRelay(const QString &service,
@@ -2284,22 +2285,8 @@ void QDBusConnectionPrivate::disconnectRelay(const QString &service,
QDBusAbstractInterface::staticMetaObject.methodCount(), true))
return; // don't connect
- // remove it from our list:
- QDBusWriteLocker locker(DisconnectRelayAction, this);
- SignalHookHash::Iterator it = signalHooks.find(key);
- SignalHookHash::Iterator end = signalHooks.end();
- for ( ; it != end && it.key() == key; ++it) {
- const SignalHook &entry = it.value();
- if (entry.service == hook.service &&
- entry.path == hook.path &&
- entry.signature == hook.signature &&
- entry.obj == hook.obj &&
- entry.midx == hook.midx) {
- // found it
- disconnectSignal(it);
- return;
- }
- }
+ Q_ASSERT(thread() != QThread::currentThread());
+ emit signalNeedsDisconnecting(key, hook);
}
bool QDBusConnectionPrivate::shouldWatchService(const QString &service)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-05 20:58:55 +0000