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Thread.inl
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2012 Laurent Gomila (laurent.gom@gmail.com)
5 //
6 // This software is provided 'as-is', without any express or implied warranty.
7 // In no event will the authors be held liable for any damages arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it freely,
11 // subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented;
14 // you must not claim that you wrote the original software.
15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source distribution.
22 //
24
25 namespace priv
26 {
27 // Base class for abstract thread functions
28 struct ThreadFunc
29 {
30 virtual ~ThreadFunc() {}
31 virtual void run() = 0;
32 };
33
34 // Specialization using a functor (including free functions) with no argument
35 template <typename T>
36 struct ThreadFunctor : ThreadFunc
37 {
38 ThreadFunctor(T functor) : m_functor(functor) {}
39 virtual void run() {m_functor();}
40 T m_functor;
41 };
42
43 // Specialization using a functor (including free functions) with one argument
44 template <typename F, typename A>
45 struct ThreadFunctorWithArg : ThreadFunc
46 {
47 ThreadFunctorWithArg(F function, A arg) : m_function(function), m_arg(arg) {}
48 virtual void run() {m_function(m_arg);}
49 F m_function;
50 A m_arg;
51 };
52
53 // Specialization using a member function
54 template <typename C>
55 struct ThreadMemberFunc : ThreadFunc
56 {
57 ThreadMemberFunc(void(C::*function)(), C* object) : m_function(function), m_object(object) {}
58 virtual void run() {(m_object->*m_function)();}
59 void(C::*m_function)();
60 C* m_object;
61 };
62
63 } // namespace priv
64
65
67 template <typename F>
68 Thread::Thread(F functor) :
69 m_impl (NULL),
70 m_entryPoint(new priv::ThreadFunctor<F>(functor))
71 {
72 }
73
74
76 template <typename F, typename A>
77 Thread::Thread(F function, A argument) :
78 m_impl (NULL),
79 m_entryPoint(new priv::ThreadFunctorWithArg<F, A>(function, argument))
80 {
81 }
82
83
85 template <typename C>
86 Thread::Thread(void(C::*function)(), C* object) :
87 m_impl (NULL),
88 m_entryPoint(new priv::ThreadMemberFunc<C>(function, object))
89 {
90 }