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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDBus module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QDBUSTHREADDEBUG_P_H
+#define QDBUSTHREADDEBUG_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#if !defined(QDBUS_THREAD_DEBUG) && defined(QT_BUILD_INTERNAL)
+# define QDBUS_THREAD_DEBUG 1
+#endif
+
+#if QDBUS_THREAD_DEBUG
+QT_BEGIN_NAMESPACE
+typedef void (*qdbusThreadDebugFunc)(int, int, QDBusConnectionPrivate *);
+QDBUS_EXPORT void qdbusDefaultThreadDebug(int, int, QDBusConnectionPrivate *);
+extern QDBUS_EXPORT qdbusThreadDebugFunc qdbusThreadDebug;
+QT_END_NAMESPACE
+#endif
+
+enum ThreadAction {
+ ConnectAction = 0,
+ DisconnectAction = 1,
+ RegisterObjectAction = 2,
+ UnregisterObjectAction = 3,
+ ObjectRegisteredAtAction = 4,
+
+ CloseConnectionAction = 10,
+ ObjectDestroyedAction = 11,
+ RelaySignalAction = 12,
+ HandleObjectCallAction = 13,
+ HandleSignalAction = 14,
+ ConnectRelayAction = 15,
+ DisconnectRelayAction = 16,
+ FindMetaObject1Action = 17,
+ FindMetaObject2Action = 18,
+ RegisterServiceAction = 19,
+ UnregisterServiceAction = 20,
+ UpdateSignalHookOwnerAction = 21,
+ HandleObjectCallPostEventAction = 22,
+ HandleObjectCallSemaphoreAction = 23,
+ DoDispatchAction = 24,
+ SendWithReplyAsyncAction = 25,
+ MessageResultReceivedAction = 26,
+ ActivateSignalAction = 27,
+ PendingCallBlockAction = 28,
+
+ AddTimeoutAction = 50,
+ RemoveTimeoutAction = 51,
+ KillTimerAction = 52,
+ TimerEventAction = 53,
+ AddWatchAction = 60,
+ RemoveWatchAction = 61,
+ ToggleWatchAction = 62,
+ SocketReadAction = 63,
+ SocketWriteAction = 64,
+};
+
+struct QDBusLockerBase
+{
+ enum Condition
+ {
+ BeforeLock,
+ AfterLock,
+ BeforeUnlock,
+ AfterUnlock,
+
+ BeforePost,
+ AfterPost,
+ BeforeDeliver,
+ AfterDeliver,
+
+ BeforeAcquire,
+ AfterAcquire,
+ BeforeRelease,
+ AfterRelease
+ };
+
+#if QDBUS_THREAD_DEBUG
+ static inline void reportThreadAction(int action, int condition, QDBusConnectionPrivate *ptr)
+ { if (qdbusThreadDebug) qdbusThreadDebug(action, condition, ptr); }
+#else
+ static inline void reportThreadAction(int, int, QDBusConnectionPrivate *) { }
+#endif
+};
+
+struct QDBusReadLocker: QDBusLockerBase
+{
+ QDBusConnectionPrivate *self;
+ ThreadAction action;
+ inline QDBusReadLocker(ThreadAction a, QDBusConnectionPrivate *s)
+ : self(s), action(a)
+ {
+ reportThreadAction(action, BeforeLock, self);
+ self->lock.lockForRead();
+ reportThreadAction(action, AfterLock, self);
+ }
+
+ inline ~QDBusReadLocker()
+ {
+ reportThreadAction(action, BeforeUnlock, self);
+ self->lock.unlock();
+ reportThreadAction(action, AfterUnlock, self);
+ }
+};
+
+struct QDBusWriteLocker: QDBusLockerBase
+{
+ QDBusConnectionPrivate *self;
+ ThreadAction action;
+ inline QDBusWriteLocker(ThreadAction a, QDBusConnectionPrivate *s)
+ : self(s), action(a)
+ {
+ reportThreadAction(action, BeforeLock, self);
+ self->lock.lockForWrite();
+ reportThreadAction(action, AfterLock, self);
+ }
+
+ inline ~QDBusWriteLocker()
+ {
+ reportThreadAction(action, BeforeUnlock, self);
+ self->lock.unlock();
+ reportThreadAction(action, AfterUnlock, self);
+ }
+};
+
+struct QDBusMutexLocker: QDBusLockerBase
+{
+ QDBusConnectionPrivate *self;
+ QMutex *mutex;
+ ThreadAction action;
+ inline QDBusMutexLocker(ThreadAction a, QDBusConnectionPrivate *s,
+ QMutex *m)
+ : self(s), mutex(m), action(a)
+ {
+ reportThreadAction(action, BeforeLock, self);
+ mutex->lock();
+ reportThreadAction(action, AfterLock, self);
+ }
+
+ inline ~QDBusMutexLocker()
+ {
+ reportThreadAction(action, BeforeUnlock, self);
+ mutex->unlock();
+ reportThreadAction(action, AfterUnlock, self);
+ }
+};
+
+struct QDBusDispatchLocker: QDBusMutexLocker
+{
+ inline QDBusDispatchLocker(ThreadAction a, QDBusConnectionPrivate *s)
+ : QDBusMutexLocker(a, s, &s->dispatchLock)
+ { }
+};
+
+struct QDBusWatchAndTimeoutLocker: QDBusMutexLocker
+{
+ inline QDBusWatchAndTimeoutLocker(ThreadAction a, QDBusConnectionPrivate *s)
+ : QDBusMutexLocker(a, s, &s->watchAndTimeoutLock)
+ { }
+};
+
+#if QDBUS_THREAD_DEBUG
+# define SEM_ACQUIRE(action, sem) \
+ do { \
+ QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::BeforeAcquire, this); \
+ sem.acquire(); \
+ QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::AfterAcquire, this); \
+ } while (0)
+
+# define SEM_RELEASE(action, sem) \
+ do { \
+ QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::BeforeRelease, that); \
+ sem.release(); \
+ QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::AfterRelease, that); \
+ } while (0)
+
+#else
+# define SEM_ACQUIRE(action, sem) sem.acquire()
+# define SEM_RELEASE(action, sem) sem.release()
+#endif
+
+#endif