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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@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,
RealAddTimeoutAction = 51,
RemoveTimeoutAction = 52,
KillTimerAction = 58,
TimerEventAction = 59,
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
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