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Diffstat (limited to 'src/dbus/qdbusthreaddebug_p.h')
| -rw-r--r-- | src/dbus/qdbusthreaddebug_p.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/src/dbus/qdbusthreaddebug_p.h b/src/dbus/qdbusthreaddebug_p.h new file mode 100644 index 0000000000..d595a41cb7 --- /dev/null +++ b/src/dbus/qdbusthreaddebug_p.h @@ -0,0 +1,235 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** 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. +// + +#include <QtCore/qglobal.h> + +#ifndef QT_NO_DBUS + +#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 *); +Q_DBUS_EXPORT void qdbusDefaultThreadDebug(int, int, QDBusConnectionPrivate *); +extern Q_DBUS_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 // QT_NO_DBUS +#endif |