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- //===----------------------------------------------------------------------===//
- //
- // The LLVM Compiler Infrastructure
- //
- // This file is dual licensed under the MIT and the University of Illinois Open
- // Source Licenses. See LICENSE.TXT for details.
- //
- //===----------------------------------------------------------------------===//
- // Copyright (C) 2011 Vicente J. Botet Escriba
- //
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- // <boost/thread/future.hpp>
- // template <class Executor, class F, class... Args>
- // future<typename result_of<F(Args...)>::type>
- // async(Executor& ex, F&& f, Args&&... args);
- #define BOOST_THREAD_VERSION 5
- #include <boost/config.hpp>
- #if ! defined BOOST_NO_CXX11_DECLTYPE
- #define BOOST_RESULT_OF_USE_DECLTYPE
- #endif
- #include <iostream>
- #include <boost/thread/future.hpp>
- #include <boost/thread/thread.hpp>
- #include <boost/thread/detail/memory.hpp>
- #include <boost/thread/csbl/memory/unique_ptr.hpp>
- #include <memory>
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/thread/executors/basic_thread_pool.hpp>
- #include <boost/thread/executor.hpp>
- typedef boost::chrono::high_resolution_clock Clock;
- typedef boost::chrono::milliseconds ms;
- class A
- {
- long data_;
- public:
- typedef long result_type;
- explicit A(long i) :
- data_(i)
- {
- }
- long doit() const
- {
- boost::this_thread::sleep_for(ms(200));
- return data_;
- }
- long operator()() const
- {
- boost::this_thread::sleep_for(ms(200));
- return data_;
- }
- };
- class MoveOnly
- {
- public:
- typedef int result_type;
- int value;
- BOOST_THREAD_MOVABLE_ONLY(MoveOnly)
- MoveOnly()
- {
- value = 0;
- }
- MoveOnly( BOOST_THREAD_RV_REF(MoveOnly))
- {
- value = 1;
- }
- MoveOnly& operator=(BOOST_THREAD_RV_REF(MoveOnly))
- {
- value = 2;
- return *this;
- }
- int operator()()
- {
- boost::this_thread::sleep_for(ms(200));
- return 3;
- }
- template <typename OS>
- friend OS& operator<<(OS& os, MoveOnly const& v)
- {
- os << v.value;
- return os;
- }
- };
- namespace boost
- {
- BOOST_THREAD_DCL_MOVABLE (MoveOnly)
- }
- int f0()
- {
- boost::this_thread::sleep_for(ms(200));
- return 3;
- }
- int i = 0;
- int& f1()
- {
- boost::this_thread::sleep_for(ms(200));
- return i;
- }
- void f2()
- {
- boost::this_thread::sleep_for(ms(200));
- }
- boost::csbl::unique_ptr<int> f3_0()
- {
- boost::this_thread::sleep_for(ms(200));
- boost::csbl::unique_ptr<int> r( (new int(3)));
- return boost::move(r);
- }
- MoveOnly f3_1()
- {
- boost::this_thread::sleep_for(ms(200));
- MoveOnly r;
- return boost::move(r);
- }
- boost::csbl::unique_ptr<int> f3(int i)
- {
- boost::this_thread::sleep_for(ms(200));
- return boost::csbl::unique_ptr<int>(new int(i));
- }
- boost::csbl::unique_ptr<int> f4(
- BOOST_THREAD_RV_REF_BEG boost::csbl::unique_ptr<int> BOOST_THREAD_RV_REF_END p
- )
- {
- boost::this_thread::sleep_for(ms(200));
- return boost::move(p);
- }
- struct check_timer {
- boost::chrono::nanoseconds delay;
- Clock::time_point start;
- check_timer(boost::chrono::nanoseconds delay)
- : delay(delay)
- , start(Clock::now())
- {
- }
- ~check_timer() {
- Clock::time_point now = Clock::now();
- BOOST_TEST(now - start < delay);
- std::cout << __FILE__ << "[" << __LINE__ << "] " << (now - start).count() << std::endl;
- }
- };
- int main()
- {
- std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
- #if defined BOOST_THREAD_PROVIDES_EXECUTORS
- {
- try
- {
- boost::executor_adaptor<boost::basic_thread_pool> ex(1);
- boost::future<int> f = boost::async(ex, &f0);
- boost::this_thread::sleep_for(ms(300));
- int res;
- {
- check_timer timer(ms(500));
- res = f.get();
- }
- BOOST_TEST(res == 3);
- }
- catch (std::exception& ex)
- {
- std::cout << __FILE__ << "[" << __LINE__ << "]" << ex.what() << std::endl;
- BOOST_TEST(false && "exception thrown");
- }
- catch (...)
- {
- BOOST_TEST(false && "exception thrown");
- }
- }
- #endif
- #if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) && defined BOOST_THREAD_PROVIDES_EXECUTORS
- std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
- {
- try
- {
- boost::executor_adaptor<boost::basic_thread_pool> ex(1);
- boost::future<long> f = boost::async(ex, A(3));
- boost::this_thread::sleep_for(ms(300));
- int res;
- {
- check_timer timer(ms(500));
- res = f.get();
- }
- BOOST_TEST(res == 3);
- }
- catch (std::exception& ex)
- {
- std::cout << __FILE__ << "[" << __LINE__ << "]" << ex.what() << std::endl;
- BOOST_TEST(false && "exception thrown");
- }
- catch (...)
- {
- BOOST_TEST(false && "exception thrown");
- }
- }
- #endif
- #if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) && defined BOOST_THREAD_PROVIDES_EXECUTORS
- std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
- {
- try
- {
- boost::executor_adaptor<boost::basic_thread_pool> ex(1);
- MoveOnly mo;
- boost::future<int> f = boost::async(ex, boost::move(mo));
- //boost::future<int> f = boost::async(ex, MoveOnly());
- boost::this_thread::sleep_for(ms(300));
- int res;
- {
- check_timer timer(ms(500));
- res = f.get();
- }
- BOOST_TEST(res == 3);
- }
- catch (std::exception& ex)
- {
- std::cout << __FILE__ << "[" << __LINE__ << "]" << ex.what() << std::endl;
- BOOST_TEST(false && "exception thrown");
- }
- catch (...)
- {
- BOOST_TEST(false && "exception thrown");
- }
- }
- #endif
- return boost::report_errors();
- }
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