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git.proxmox.com Git - ceph.git/blob - ceph/src/boost/libs/thread/test/sync/futures/shared_future/then_executor_pass.cpp
1 // Copyright (C) 2014 Vicente Botet
3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 // <boost/thread/future.hpp>
10 // template<typename F>
11 // auto then(F&& func) -> future<decltype(func(*this))>;
13 #define BOOST_THREAD_VERSION 4
14 #define BOOST_THREAD_PROVIDES_EXECUTORS
15 //#define BOOST_THREAD_USES_LOG
16 #define BOOST_THREAD_USES_LOG_THREAD_ID
17 #include <boost/thread/detail/log.hpp>
19 #include <boost/thread/future.hpp>
20 #include <boost/thread/executors/basic_thread_pool.hpp>
21 #include <boost/thread/executor.hpp>
22 #include <boost/detail/lightweight_test.hpp>
24 #if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
28 BOOST_THREAD_LOG
<< "p1 < " << BOOST_THREAD_END_LOG
;
29 boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
30 BOOST_THREAD_LOG
<< "p1 >" << BOOST_THREAD_END_LOG
;
34 int p2(boost::shared_future
<int> f
)
36 BOOST_THREAD_LOG
<< "p2 <" << &f
<< BOOST_THREAD_END_LOG
;
37 BOOST_TEST(f
.valid());
39 boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
40 BOOST_THREAD_LOG
<< "p2 <" << &f
<< BOOST_THREAD_END_LOG
;
44 void p3(boost::shared_future
<int> f
)
46 BOOST_THREAD_LOG
<< "p3 <" << &f
<< BOOST_THREAD_END_LOG
;
47 BOOST_TEST(f
.valid());
49 boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
50 BOOST_THREAD_LOG
<< "p3 <" << &f
<< " " << i
<< BOOST_THREAD_END_LOG
;
56 BOOST_THREAD_LOG
<< BOOST_THREAD_END_LOG
;
58 boost::basic_thread_pool
ex(1);
59 boost::shared_future
<int> f1
= boost::async(boost::launch::async
, &p1
).share();
60 BOOST_TEST(f1
.valid());
61 boost::future
<int> f2
= f1
.then(ex
, &p2
);
62 BOOST_TEST(f2
.valid());
65 BOOST_TEST(f2
.get()==2);
67 catch (std::exception
& ex
)
69 BOOST_THREAD_LOG
<< "ERRORRRRR "<<ex
.what() << "" << BOOST_THREAD_END_LOG
;
74 BOOST_THREAD_LOG
<< " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG
;
78 BOOST_THREAD_LOG
<< BOOST_THREAD_END_LOG
;
80 boost::basic_thread_pool
ex(1);
81 boost::shared_future
<int> f1
= boost::async(boost::launch::async
, &p1
).share();
82 BOOST_TEST(f1
.valid());
83 boost::future
<void> f2
= f1
.then(ex
, &p3
);
84 BOOST_TEST(f2
.valid());
89 catch (std::exception
& ex
)
91 BOOST_THREAD_LOG
<< "ERRORRRRR "<<ex
.what() << "" << BOOST_THREAD_END_LOG
;
96 BOOST_THREAD_LOG
<< " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG
;
100 BOOST_THREAD_LOG
<< BOOST_THREAD_END_LOG
;
102 boost::basic_thread_pool
ex(1);
103 boost::future
<int> f2
= boost::async(p1
).share().then(ex
, &p2
);
104 BOOST_TEST(f2
.get()==2);
106 BOOST_THREAD_LOG
<< BOOST_THREAD_END_LOG
;
108 boost::basic_thread_pool
ex(1);
109 boost::shared_future
<int> f1
= boost::async(p1
).share();
110 boost::shared_future
<int> f21
= f1
.then(ex
, &p2
).share();
111 boost::future
<int> f2
= f21
.then(ex
, &p2
);
112 BOOST_TEST(f2
.get()==4);
114 BOOST_THREAD_LOG
<< BOOST_THREAD_END_LOG
;
116 boost::basic_thread_pool
ex(1);
117 boost::shared_future
<int> f1
= boost::async(p1
).share();
118 boost::shared_future
<int> f21
= f1
.then(ex
, &p2
).share();
119 boost::future
<int> f2
= f21
.then(&p2
);
120 BOOST_TEST(f2
.get()==4);
122 BOOST_THREAD_LOG
<< BOOST_THREAD_END_LOG
;
124 boost::basic_thread_pool
ex(1);
125 boost::shared_future
<int> f1
= boost::async(p1
).share();
126 boost::future
<int> f2
= f1
.then(ex
, &p2
).share().then(ex
, &p2
);
127 BOOST_TEST(f2
.get()==4);
129 BOOST_THREAD_LOG
<< BOOST_THREAD_END_LOG
;
131 boost::basic_thread_pool
ex(1);
132 boost::future
<int> f2
= boost::async(p1
).share().then(ex
, &p2
).share().then(ex
, &p2
);
133 BOOST_TEST(f2
.get()==4);
136 return boost::report_errors();