| 1 | // Copyright (C) 2010 Vicente Botet |
|---|---|
| 2 | // |
| 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) |
| 5 | |
| 6 | #define BOOST_THREAD_VERSION 2 |
| 7 | |
| 8 | #include <boost/thread/thread_only.hpp> |
| 9 | #include <boost/thread/future.hpp> |
| 10 | |
| 11 | int calculate_the_answer_to_life_the_universe_and_everything() |
| 12 | { |
| 13 | return 42; |
| 14 | } |
| 15 | |
| 16 | int main() { |
| 17 | boost::packaged_task<int> pt(calculate_the_answer_to_life_the_universe_and_everything); |
| 18 | |
| 19 | //boost::unique_future<int> fi = BOOST_THREAD_MAKE_RV_REF(pt.get_future()); |
| 20 | boost::unique_future<int> fi((BOOST_THREAD_MAKE_RV_REF(pt.get_future()))); |
| 21 | |
| 22 | boost::thread task(boost::move(t&: pt)); // launch task on a thread |
| 23 | |
| 24 | fi.wait(); // wait for it to finish |
| 25 | |
| 26 | //assert(fi.is_ready()); |
| 27 | //assert(fi.has_value()); |
| 28 | //assert(!fi.has_exception()); |
| 29 | //assert(fi.get_state()==boost::future_state::ready); |
| 30 | //assert(fi.get()==42); |
| 31 | } |
| 32 |