1 /*
2  *  Copyright (c) 2017 Dmitry Kazakov <dimula73@gmail.com>
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2 of the License, or
7  *  (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, write to the Free Software
16  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  */
18 
19 #ifndef KISSHAREDTHREADPOOLADAPTER_H
20 #define KISSHAREDTHREADPOOLADAPTER_H
21 
22 #include <QMutex>
23 #include <QWaitCondition>
24 
25 #include <KisSharedRunnable.h>
26 
27 class QThreadPool;
28 
29 class KRITAGLOBAL_EXPORT KisSharedThreadPoolAdapter
30 {
31 public:
32     KisSharedThreadPoolAdapter(QThreadPool *parentPool);
33     ~KisSharedThreadPoolAdapter();
34 
35     void start(KisSharedRunnable *runnable, int priority = 0);
36     bool tryStart(KisSharedRunnable *runnable);
37 
38     bool waitForDone(int msecs = -1);
39 
40 private:
41     friend class KisSharedRunnable;
42     void notifyJobCompleted();
43 
44     KisSharedThreadPoolAdapter(KisSharedThreadPoolAdapter &rhs) = delete;
45 
46 private:
47     QThreadPool *m_parentPool;
48     QMutex m_mutex;
49     QWaitCondition m_waitCondition;
50     int m_numRunningJobs;
51 };
52 
53 #endif // KISSHAREDTHREADPOOLADAPTER_H
54