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Qt/5.6/include/QtCore/qwaitcondition.h

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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWAITCONDITION_H
+#define QWAITCONDITION_H
+
+#include <QtCore/qglobal.h>
+
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+
+#ifndef QT_NO_THREAD
+
+class QWaitConditionPrivate;
+class QMutex;
+class QReadWriteLock;
+
+class Q_CORE_EXPORT QWaitCondition
+{
+public:
+    QWaitCondition();
+    ~QWaitCondition();
+
+    bool wait(QMutex *lockedMutex, unsigned long time = ULONG_MAX);
+    bool wait(QReadWriteLock *lockedReadWriteLock, unsigned long time = ULONG_MAX);
+
+    void wakeOne();
+    void wakeAll();
+
+private:
+    Q_DISABLE_COPY(QWaitCondition)
+
+    QWaitConditionPrivate * d;
+};
+
+#else
+
+class QMutex;
+class Q_CORE_EXPORT QWaitCondition
+{
+public:
+    QWaitCondition() {}
+    ~QWaitCondition() {}
+
+    bool wait(QMutex *mutex, unsigned long time = ULONG_MAX)
+    {
+        Q_UNUSED(mutex);
+        Q_UNUSED(time);
+        return true;
+    }
+
+    void wakeOne() {}
+    void wakeAll() {}
+};
+
+#endif // QT_NO_THREAD
+
+QT_END_NAMESPACE
+
+#endif // QWAITCONDITION_H