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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 QtCore 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 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"
+
+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)
+ { }
+};
+
+class Q_CORE_EXPORT QThreadData
+{
+ QAtomicInt _ref;
+
+public:
+ QThreadData(int initialRefCount = 1);
+ ~QThreadData();
+
+ static QThreadData *current();
+ static QThreadData *get2(QThread *thread);
+
+ void ref();
+ void deref();
+
+ QThread *thread;
+ bool quitNow;
+ int loopLevel;
+ QAbstractEventDispatcher *eventDispatcher;
+ QStack<QEventLoop *> eventLoops;
+ QPostEventList postEventList;
+ bool canWait;
+ QMap<int, void *> tls;
+
+ QMutex mutex;
+};
+
+#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;
+
+ 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);
+ static void finish(void *arg);
+#endif
+
+#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
+ HANDLE handle;
+ unsigned int id;
+ int waiters;
+ bool terminationEnabled, terminatePending;
+
+ static unsigned int __stdcall start(void *);
+ static void finish(void *, bool lockAnyway=true);
+#endif // Q_OS_WIN32
+
+ QThreadData *data;
+
+ static void createEventDispatcher(QThreadData *data);
+};
+
+// 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();
+};
+
+#else // QT_NO_THREAD
+
+class QThreadPrivate : public QObjectPrivate
+{
+public:
+ QThreadPrivate() : data(QThreadData::current()) {}
+ ~QThreadPrivate() { }
+
+ 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
+
+QT_END_NAMESPACE
+
+#endif // QTHREAD_P_H