/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtDBus module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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#ifndef QDBUSTHREADDEBUG_P_H+
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#define QDBUSTHREADDEBUG_P_H+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists purely as an+
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// implementation detail.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include <QtCore/qglobal.h>+
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+
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#ifndef QT_NO_DBUS+
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+
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#if !defined(QDBUS_THREAD_DEBUG) && defined(QT_BUILD_INTERNAL)+
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# define QDBUS_THREAD_DEBUG 1+
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#endif+
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+
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#if QDBUS_THREAD_DEBUG+
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QT_BEGIN_NAMESPACE+
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typedef void (*qdbusThreadDebugFunc)(int, int, QDBusConnectionPrivate *);+
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Q_DBUS_EXPORT void qdbusDefaultThreadDebug(int, int, QDBusConnectionPrivate *);+
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extern Q_DBUS_EXPORT qdbusThreadDebugFunc qdbusThreadDebug;+
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QT_END_NAMESPACE+
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#endif+
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+
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enum ThreadAction {+
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    ConnectAction = 0,+
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    DisconnectAction = 1,+
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    RegisterObjectAction = 2,+
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    UnregisterObjectAction = 3,+
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    ObjectRegisteredAtAction = 4,+
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+
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    CloseConnectionAction = 10,+
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    ObjectDestroyedAction = 11,+
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    RelaySignalAction = 12,+
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    HandleObjectCallAction = 13,+
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    HandleSignalAction = 14,+
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    ConnectRelayAction = 15,+
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    DisconnectRelayAction = 16,+
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    FindMetaObject1Action = 17,+
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    FindMetaObject2Action = 18,+
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    RegisterServiceAction = 19,+
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    UnregisterServiceAction = 20,+
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    UpdateSignalHookOwnerAction = 21,+
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    HandleObjectCallPostEventAction = 22,+
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    HandleObjectCallSemaphoreAction = 23,+
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    DoDispatchAction = 24,+
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    SendWithReplyAsyncAction = 25,+
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    MessageResultReceivedAction = 26,+
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    ActivateSignalAction = 27,+
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    PendingCallBlockAction = 28,+
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+
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    AddTimeoutAction = 50,+
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    RealAddTimeoutAction = 51,+
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    RemoveTimeoutAction = 52,+
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    KillTimerAction = 58,+
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    TimerEventAction = 59,+
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    AddWatchAction = 60,+
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    RemoveWatchAction = 61,+
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    ToggleWatchAction = 62,+
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    SocketReadAction = 63,+
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    SocketWriteAction = 64+
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};+
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+
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struct QDBusLockerBase+
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{+
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    enum Condition+
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    {+
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        BeforeLock,+
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        AfterLock,+
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        BeforeUnlock,+
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        AfterUnlock,+
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+
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        BeforePost,+
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        AfterPost,+
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        BeforeDeliver,+
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        AfterDeliver,+
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+
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        BeforeAcquire,+
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        AfterAcquire,+
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        BeforeRelease,+
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        AfterRelease+
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    };+
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+
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#if QDBUS_THREAD_DEBUG+
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    static inline void reportThreadAction(int action, int condition, QDBusConnectionPrivate *ptr)+
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    { if (qdbusThreadDebug) qdbusThreadDebug(action, condition, ptr); }+
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#else+
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    static inline void reportThreadAction(int, int, QDBusConnectionPrivate *) { }+
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#endif+
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};+
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+
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struct QDBusReadLocker: QDBusLockerBase+
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{+
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    QDBusConnectionPrivate *self;+
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    ThreadAction action;+
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    inline QDBusReadLocker(ThreadAction a, QDBusConnectionPrivate *s)+
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        : self(s), action(a)+
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    {+
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        reportThreadAction(action, BeforeLock, self);+
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        self->lock.lockForRead();+
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        reportThreadAction(action, AfterLock, self);+
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    }+
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+
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    inline ~QDBusReadLocker()+
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    {+
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        reportThreadAction(action, BeforeUnlock, self);+
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        self->lock.unlock();+
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        reportThreadAction(action, AfterUnlock, self);+
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    }+
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};+
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+
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struct QDBusWriteLocker: QDBusLockerBase+
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{+
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    QDBusConnectionPrivate *self;+
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    ThreadAction action;+
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    inline QDBusWriteLocker(ThreadAction a, QDBusConnectionPrivate *s)+
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        : self(s), action(a)+
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    {+
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        reportThreadAction(action, BeforeLock, self);+
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        self->lock.lockForWrite();+
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        reportThreadAction(action, AfterLock, self);+
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    }+
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+
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    inline ~QDBusWriteLocker()+
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    {+
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        reportThreadAction(action, BeforeUnlock, self);+
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        self->lock.unlock();+
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        reportThreadAction(action, AfterUnlock, self);+
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    }+
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};+
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+
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struct QDBusMutexLocker: QDBusLockerBase+
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{+
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    QDBusConnectionPrivate *self;+
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    QMutex *mutex;+
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    ThreadAction action;+
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    inline QDBusMutexLocker(ThreadAction a, QDBusConnectionPrivate *s,+
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                            QMutex *m)+
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        : self(s), mutex(m), action(a)+
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    {+
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        reportThreadAction(action, BeforeLock, self);+
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        mutex->lock();+
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        reportThreadAction(action, AfterLock, self);+
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    }+
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+
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    inline ~QDBusMutexLocker()+
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    {+
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        reportThreadAction(action, BeforeUnlock, self);+
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        mutex->unlock();+
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        reportThreadAction(action, AfterUnlock, self);+
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    }+
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};+
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+
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struct QDBusDispatchLocker: QDBusMutexLocker+
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{+
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    inline QDBusDispatchLocker(ThreadAction a, QDBusConnectionPrivate *s)+
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        : QDBusMutexLocker(a, s, &s->dispatchLock)+
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    { }+
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};+
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+
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struct QDBusWatchAndTimeoutLocker: QDBusMutexLocker+
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{+
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    inline QDBusWatchAndTimeoutLocker(ThreadAction a, QDBusConnectionPrivate *s)+
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        : QDBusMutexLocker(a, s, &s->watchAndTimeoutLock)+
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    { }+
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};+
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+
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#if QDBUS_THREAD_DEBUG+
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# define SEM_ACQUIRE(action, sem)                                       \+
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    do {                                                                \+
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    QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::BeforeAcquire, this); \+
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    sem.acquire();                                                      \+
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    QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::AfterAcquire, this); \+
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    } while (0)+
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+
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# define SEM_RELEASE(action, sem)                                       \+
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    do {                                                                \+
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    QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::BeforeRelease, that); \+
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    sem.release();                                                      \+
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    QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::AfterRelease, that); \+
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    } while (0)+
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+
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#else+
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# define SEM_ACQUIRE(action, sem)       sem.acquire()+
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# define SEM_RELEASE(action, sem)       sem.release()+
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#endif+
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+
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#endif // QT_NO_DBUS+
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#endif+
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