blob: 08707c233bdb701a5d796f8406ca76df214e050a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
#include <boost/config.hpp>
#ifndef BOOST_NO_RVALUE_REFERENCES
#include <boost/detail/lightweight_test.hpp>
#include <boost/thread/future.hpp>
#include <boost/utility/result_of.hpp>
#include <functional>
struct async_func {
virtual ~async_func() { }
virtual void run() =0;
};
template <typename Ret>
class async_func_pt : public async_func {
boost::packaged_task<Ret> f;
public:
void run() {
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
f(); }
async_func_pt (boost::packaged_task<Ret>&& f) : f(boost::move(f)) {}
~async_func_pt() { }
boost::unique_future<Ret> get_future() { return f.get_future(); }
};
void async_core (async_func* p) {
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
p->run();
}
template <typename F>
boost::unique_future<typename boost::result_of< F() >::type>
async (F&& f)
{
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
typedef typename boost::result_of< F() >::type RetType;
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
async_func_pt<RetType>* p= new async_func_pt<RetType> (boost::packaged_task<RetType>(boost::forward<F>(f)));
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
boost::unique_future<RetType> future_result= p->get_future();
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
async_core (p);
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
return boost::move(future_result);
}
template <typename F, typename A1>
boost::unique_future<typename boost::result_of< F(A1) >::type>
async (F&& f, A1&& a1)
{
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
// This should be all it needs. But get a funny error deep inside Boost.
// problem overloading with && ?
return async (boost::bind(f,a1));
}
int calculate_the_answer_to_life_the_universe_and_everything()
{
return 42;
}
size_t foo (const std::string& s)
{
return s.size();
}
void test1()
{
// this one works
// most fundimental form:
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
boost::unique_future<int> fi= async (&calculate_the_answer_to_life_the_universe_and_everything);
int i= fi.get();
BOOST_TEST (i== 42);
// This one chokes at compile time
std::cout << __FILE__ << ":" << __LINE__ << std::endl;
boost::unique_future<size_t> fut_1= async (&foo, "Life");
BOOST_TEST (fut_1.get()== 4);
}
int main()
{
test1();
return boost::report_errors();
}
#else
int main()
{
return 0;
}
#endif
/*
*
"/Users/viboes/clang/llvmCore-3.0-rc1.install/bin/clang++"
-o "../../../bin.v2/libs/thread/test/test_ml.test/clang-darwin-3.0x/debug/threading-multi/test_ml"
"../../../bin.v2/libs/thread/test/test_ml.test/clang-darwin-3.0x/debug/threading-multi/test_ml.o"
"../../../bin.v2/libs/test/build/clang-darwin-3.0x/debug/link-static/threading-multi/libboost_unit_test_framework.a"
"../../../bin.v2/libs/thread/build/clang-darwin-3.0x/debug/threading-multi/libboost_thread.dylib"
"../../../bin.v2/libs/chrono/build/clang-darwin-3.0x/debug/threading-multi/libboost_chrono.dylib"
"../../../bin.v2/libs/system/build/clang-darwin-3.0x/debug/threading-multi/libboost_system.dylib" -g
*/
/*
*
* #include <boost/test/unit_test.hpp>
#include <boost/thread/future.hpp>
#include <boost/utility/result_of.hpp>
#include <functional>
struct async_func {
virtual ~async_func() { }
virtual void run() =0;
};
template <typename Ret>
class async_func_pt : public async_func {
boost::packaged_task<Ret> f;
public:
void run() override { f(); }
async_func_pt (boost::packaged_task<Ret>&& f) : f(std::move(f)) {}
~async_func_pt() { }
boost::unique_future<Ret> get_future() { return f.get_future(); }
};
void async_core (async_func* p);
template <typename F>
boost::unique_future<typename boost::result_of< F() >::type>
async (F&& f)
{
typedef typename boost::result_of< F() >::type RetType;
async_func_pt<RetType>* p= new async_func_pt<RetType> (boost::packaged_task<RetType>(f));
boost::unique_future<RetType> future_result= p->get_future();
async_core (p);
return std::move(future_result);
}
template <typename F, typename A1>
boost::unique_future<typename boost::result_of< F(A1) >::type>
async (F&& f, A1&& a1)
{
// This should be all it needs. But get a funny error deep inside Boost.
// problem overloading with && ?
return async (std::tr1::bind(f,a1));
}
BOOST_AUTO_TEST_SUITE(thread_pool_tests)
int calculate_the_answer_to_life_the_universe_and_everything()
{
return 42;
}
size_t foo (const std::string& s)
{
return s.size();
}
BOOST_AUTO_TEST_CASE( async_test )
{
// this one works
// most fundimental form:
boost::unique_future<int> fi= async (&calculate_the_answer_to_life_the_universe_and_everything);
int i= fi.get();
BOOST_CHECK_EQUAL (i, 42);
// This one chokes at compile time
boost::unique_future<size_t> fut_1= async (&foo, "Life");
BOOST_CHECK_EQUAL (fut_1.get(), 4);
}
BOOST_AUTO_TEST_SUITE_END()
*/
|
