mirror of https://gitee.com/bigwinds/arangodb
76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
// Copyright (C) 2013 Vicente Botet
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/config.hpp>
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#if ! defined BOOST_NO_CXX11_DECLTYPE
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#define BOOST_RESULT_OF_USE_DECLTYPE
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#endif
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#define BOOST_THREAD_VERSION 4
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//#define BOOST_THREAD_USES_LOG
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#define BOOST_THREAD_USES_LOG_THREAD_ID
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#include <boost/thread/detail/log.hpp>
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#include <boost/thread/future.hpp>
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#include <boost/assert.hpp>
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#include <string>
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#include <iostream>
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#if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION \
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&& ! defined BOOST_NO_CXX11_LAMBDAS && ! (defined BOOST_MSVC && _MSC_VER < 1700)
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int main()
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{
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const int number_of_tests = 100;
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BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG;
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for (int i=0; i< number_of_tests; i++)
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try
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{
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{
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boost::future<int> f1 = boost::async(boost::launch::async, []() {return 123;});
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int result = f1.get();
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BOOST_THREAD_LOG << "f1 " << result << BOOST_THREAD_END_LOG;
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}
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{
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boost::future<int> f1 = boost::async(boost::launch::async, []() {return 123;});
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boost::future<int> f2 = f1.then([](boost::future<int> f) {return 2*f.get(); });
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int result = f2.get();
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BOOST_THREAD_LOG << "f2 " << result << BOOST_THREAD_END_LOG;
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}
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#if ! defined BOOST_NO_CXX14_GENERIC_LAMBDAS
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{
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boost::future<int> f1 = boost::async(boost::launch::async, []() {return 123;});
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boost::future<int> f2 = f1.then([](auto f) {return 2*f.get(); });
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int result = f2.get();
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BOOST_THREAD_LOG << "f2 " << result << BOOST_THREAD_END_LOG;
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}
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#endif
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}
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catch (std::exception& ex)
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{
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std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
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BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
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return 1;
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}
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catch (...)
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{
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std::cout << " ERRORRRRR exception thrown" << std::endl;
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BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
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return 2;
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}
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BOOST_THREAD_LOG << "MAIN>" << BOOST_THREAD_END_LOG;
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return 0;
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}
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#else
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int main()
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{
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return 0;
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}
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#endif
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