diff options
author | Lars Knoll <lars.knoll@nokia.com> | 2012-02-03 14:17:26 +0100 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-02-05 17:49:16 +0100 |
commit | 96501b0a18f4f70048403dccc4cb42dd71db8f9d (patch) | |
tree | ec4b95139854d1116ad75467c3c08df39fafeb27 /src/corelib/thread/qthreadpool_p.h | |
parent | c8156cab81690526adffa22214657fc1c6563b8b (diff) |
Move QtConcurrent into its own module
Task-number: QTBUG-20892
Change-Id: I614500aafb6428915509983608bbb0ade4e4f016
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib/thread/qthreadpool_p.h')
-rw-r--r-- | src/corelib/thread/qthreadpool_p.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/corelib/thread/qthreadpool_p.h b/src/corelib/thread/qthreadpool_p.h new file mode 100644 index 0000000000..9a7c09695f --- /dev/null +++ b/src/corelib/thread/qthreadpool_p.h @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 QTHREADPOOL_P_H +#define QTHREADPOOL_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/qmutex.h" +#include "QtCore/qwaitcondition.h" +#include "QtCore/qset.h" +#include "QtCore/qqueue.h" +#include "private/qobject_p.h" + +#ifndef QT_NO_THREAD + +QT_BEGIN_NAMESPACE + +class QThreadPoolThread; +class Q_CORE_EXPORT QThreadPoolPrivate : public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QThreadPool) + friend class QThreadPoolThread; + +public: + QThreadPoolPrivate(); + + bool tryStart(QRunnable *task); + void enqueueTask(QRunnable *task, int priority = 0); + int activeThreadCount() const; + + void tryToStartMoreThreads(); + bool tooManyThreadsActive() const; + + void startThread(QRunnable *runnable = 0); + void reset(); + bool waitForDone(int msecs = -1); + bool startFrontRunnable(); + void stealRunnable(QRunnable *); + + mutable QMutex mutex; + QWaitCondition runnableReady; + QSet<QThreadPoolThread *> allThreads; + QQueue<QThreadPoolThread *> expiredThreads; + QList<QPair<QRunnable *, int> > queue; + QWaitCondition noActiveThreads; + + bool isExiting; + int expiryTimeout; + int maxThreadCount; + int reservedThreads; + int waitingThreads; + int activeThreads; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_THREAD +#endif |