/**************************************************************************** | |
** | |
** 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 QtCore module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** 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. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef QTHREAD_P_H | |
#define QTHREAD_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 "qplatformdefs.h" | |
#include "QtCore/qthread.h" | |
#include "QtCore/qmutex.h" | |
#include "QtCore/qstack.h" | |
#include "QtCore/qwaitcondition.h" | |
#include "QtCore/qmap.h" | |
#include "private/qobject_p.h" | |
#ifdef Q_OS_SYMBIAN | |
#include <e32base.h> | |
#endif | |
QT_BEGIN_NAMESPACE | |
class QAbstractEventDispatcher; | |
class QEventLoop; | |
class QPostEvent | |
{ | |
public: | |
QObject *receiver; | |
QEvent *event; | |
int priority; | |
inline QPostEvent() | |
: receiver(0), event(0), priority(0) | |
{ } | |
inline QPostEvent(QObject *r, QEvent *e, int p) | |
: receiver(r), event(e), priority(p) | |
{ } | |
}; | |
inline bool operator<(int priority, const QPostEvent &pe) | |
{ | |
return pe.priority < priority; | |
} | |
inline bool operator<(const QPostEvent &pe, int priority) | |
{ | |
return priority < pe.priority; | |
} | |
class QPostEventList : public QList<QPostEvent> | |
{ | |
public: | |
// recursion == recursion count for sendPostedEvents() | |
int recursion; | |
// sendOffset == the current event to start sending | |
int startOffset; | |
// insertionOffset == set by sendPostedEvents to tell postEvent() where to start insertions | |
int insertionOffset; | |
QMutex mutex; | |
inline QPostEventList() | |
: QList<QPostEvent>(), recursion(0), startOffset(0), insertionOffset(0) | |
{ } | |
}; | |
#ifndef QT_NO_THREAD | |
class QThreadPrivate : public QObjectPrivate | |
{ | |
Q_DECLARE_PUBLIC(QThread) | |
public: | |
QThreadPrivate(QThreadData *d = 0); | |
~QThreadPrivate(); | |
mutable QMutex mutex; | |
bool running; | |
bool finished; | |
bool terminated; | |
bool exited; | |
int returnCode; | |
uint stackSize; | |
QThread::Priority priority; | |
static QThread *threadForId(int id); | |
#ifdef Q_OS_UNIX | |
pthread_t thread_id; | |
QWaitCondition thread_done; | |
static void *start(void *arg); | |
#if defined(Q_OS_SYMBIAN) | |
static void finish(void *arg, bool lockAnyway=true, bool closeNativeHandle=true); | |
#else | |
static void finish(void *); | |
#endif | |
#endif // Q_OS_UNIX | |
#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE) | |
HANDLE handle; | |
unsigned int id; | |
int waiters; | |
static unsigned int __stdcall start(void *); | |
static void finish(void *, bool lockAnyway=true); | |
#endif // Q_OS_WIN32 | |
#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE) || defined (Q_OS_SYMBIAN) | |
bool terminationEnabled, terminatePending; | |
# endif | |
QThreadData *data; | |
static void createEventDispatcher(QThreadData *data); | |
}; | |
#else // QT_NO_THREAD | |
class QThreadPrivate : public QObjectPrivate | |
{ | |
public: | |
QThreadPrivate(QThreadData *d = 0) : data(d ? d : new QThreadData) {} | |
~QThreadPrivate() { delete data; } | |
QThreadData *data; | |
static void setCurrentThread(QThread*) {} | |
static QThread *threadForId(int) { return QThread::currentThread(); } | |
static void createEventDispatcher(QThreadData *data); | |
Q_DECLARE_PUBLIC(QThread) | |
}; | |
#endif // QT_NO_THREAD | |
class QThreadData | |
{ | |
QAtomicInt _ref; | |
public: | |
QThreadData(int initialRefCount = 1); | |
~QThreadData(); | |
static QThreadData *current(); | |
static QThreadData *get2(QThread *thread) | |
{ Q_ASSERT_X(thread != 0, "QThread", "internal error"); return thread->d_func()->data; } | |
void ref(); | |
void deref(); | |
QThread *thread; | |
bool quitNow; | |
int loopLevel; | |
QAbstractEventDispatcher *eventDispatcher; | |
QStack<QEventLoop *> eventLoops; | |
QPostEventList postEventList; | |
bool canWait; | |
QVector<void *> tls; | |
QMutex mutex; | |
# ifdef Q_OS_SYMBIAN | |
RThread symbian_thread_handle; | |
# endif | |
}; | |
// thread wrapper for the main() thread | |
class QAdoptedThread : public QThread | |
{ | |
Q_DECLARE_PRIVATE(QThread) | |
public: | |
QAdoptedThread(QThreadData *data = 0); | |
~QAdoptedThread(); | |
void init(); | |
static QThread *createThreadForAdoption(); | |
private: | |
void run(); | |
}; | |
QT_END_NAMESPACE | |
#endif // QTHREAD_P_H |