Move QtConcurrent into its own module

Task-number: QTBUG-20892

Change-Id: I614500aafb6428915509983608bbb0ade4e4f016
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

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