32 lines
904 B
C++
32 lines
904 B
C++
// Copyright (C) 2010 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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#define BOOST_THREAD_VERSION 2
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#include <boost/thread/thread_only.hpp>
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#include <boost/thread/future.hpp>
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int calculate_the_answer_to_life_the_universe_and_everything()
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{
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return 42;
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}
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int main() {
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boost::packaged_task<int> pt(calculate_the_answer_to_life_the_universe_and_everything);
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//boost::unique_future<int> fi = BOOST_THREAD_MAKE_RV_REF(pt.get_future());
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boost::unique_future<int> fi((BOOST_THREAD_MAKE_RV_REF(pt.get_future())));
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boost::thread task(boost::move(pt)); // launch task on a thread
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fi.wait(); // wait for it to finish
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//assert(fi.is_ready());
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//assert(fi.has_value());
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//assert(!fi.has_exception());
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//assert(fi.get_state()==boost::future_state::ready);
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//assert(fi.get()==42);
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}
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