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40****************************************************************************/
41
42#ifndef QTCONCURRENT_EXCEPTION_H
43#define QTCONCURRENT_EXCEPTION_H
44
45#include <QtCore/qglobal.h>
46
47#ifndef QT_NO_QFUTURE
48
49#include <QtCore/qatomic.h>
50
51#ifndef QT_NO_EXCEPTIONS
52# include <exception>
53#endif
54
55QT_BEGIN_HEADER
56QT_BEGIN_NAMESPACE
57
58QT_MODULE(Core)
59
60namespace QtConcurrent
61{
62
63#ifndef QT_NO_EXCEPTIONS
64
65class Q_CORE_EXPORT Exception : public std::exception
66{
67public:
68 virtual void raise() const;
69 virtual Exception *clone() const;
70};
71
72class Q_CORE_EXPORT UnhandledException : public Exception
73{
74public:
75 void raise() const;
76 Exception *clone() const;
77};
78
79namespace internal {
80
81class Base;
82class ExceptionHolder
83{
84public:
85 ExceptionHolder(Exception *exception = 0);
86 ExceptionHolder(const ExceptionHolder &other);
87 void operator=(const ExceptionHolder &other);
88 ~ExceptionHolder();
89 Exception *exception() const;
90 Base *base;
91};
92
93class Q_CORE_EXPORT ExceptionStore
94{
95public:
96 void setException(const Exception &e);
97 bool hasException() const;
98 ExceptionHolder exception();
99 void throwPossibleException();
100 bool hasThrown() const;
101 ExceptionHolder exceptionHolder;
102};
103
104} // namespace internal
105
106#else // QT_NO_EXCEPTIONS
107
108namespace internal {
109
110class Q_CORE_EXPORT ExceptionStore
111{
112public:
113 ExceptionStore() { }
114 inline void throwPossibleException() const {}
115};
116
117} // namespace internal
118
119#endif
120
121} // namespace QtConcurrent
122
123QT_END_NAMESPACE
124QT_END_HEADER
125
126#endif // QT_NO_CONCURRENT
127
128#endif
129