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41
42#ifndef QTHREADPOOL_H
43#define QTHREADPOOL_H
44
45#include <QtCore/qglobal.h>
46
47#include <QtCore/qthread.h>
48#include <QtCore/qrunnable.h>
49
50#ifndef QT_NO_THREAD
51
52QT_BEGIN_HEADER
53QT_BEGIN_NAMESPACE
54
55QT_MODULE(Core)
56
57class QThreadPoolPrivate;
58class Q_CORE_EXPORT QThreadPool : public QObject
59{
60 Q_OBJECT
61 Q_DECLARE_PRIVATE(QThreadPool)
62 Q_PROPERTY(int expiryTimeout READ expiryTimeout WRITE setExpiryTimeout)
63 Q_PROPERTY(int maxThreadCount READ maxThreadCount WRITE setMaxThreadCount)
64 Q_PROPERTY(int activeThreadCount READ activeThreadCount)
65 friend class QFutureInterfaceBase;
66
67public:
68 QThreadPool(QObject *parent = 0);
69 ~QThreadPool();
70
71 static QThreadPool *globalInstance();
72
73 void start(QRunnable *runnable, int priority = 0);
74 bool tryStart(QRunnable *runnable);
75
76 int expiryTimeout() const;
77 void setExpiryTimeout(int expiryTimeout);
78
79 int maxThreadCount() const;
80 void setMaxThreadCount(int maxThreadCount);
81
82 int activeThreadCount() const;
83
84 void reserveThread();
85 void releaseThread();
86
87 void waitForDone();
88 bool waitForDone(int msecs);
89};
90
91QT_END_NAMESPACE
92QT_END_HEADER
93
94#endif // QT_NO_THREAD
95
96#endif
97