| 1 | // Copyright (C) 2014 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 4 |
| 7 | |
| 8 | #include <iostream> |
| 9 | |
| 10 | #define BOOST_THREAD_PROVIDES_FUTURE |
| 11 | #define BOOST_THREAD_PROVIDES_EXECUTORS |
| 12 | #define BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION |
| 13 | |
| 14 | #if __cplusplus >= 201103L |
| 15 | #include <boost/thread/executors/loop_executor.hpp> |
| 16 | #include <boost/thread/executors/serial_executor.hpp> |
| 17 | #endif |
| 18 | #include <boost/thread/thread.hpp> |
| 19 | #include <boost/atomic.hpp> |
| 20 | |
| 21 | using namespace std; |
| 22 | |
| 23 | int main() |
| 24 | { |
| 25 | #if __cplusplus >= 201103L |
| 26 | static std::size_t const nWorks = 100000; |
| 27 | boost::atomic<unsigned> execCount(0u); |
| 28 | boost::loop_executor ex; |
| 29 | |
| 30 | boost::thread t([&ex]() |
| 31 | { |
| 32 | ex.loop(); |
| 33 | }); |
| 34 | |
| 35 | { |
| 36 | boost::serial_executor serial(ex); |
| 37 | |
| 38 | for (size_t i = 0; i < nWorks; i++) |
| 39 | serial.submit(closure: [i, &execCount] { |
| 40 | //std::cout << i << "."; |
| 41 | ++execCount; |
| 42 | }); |
| 43 | |
| 44 | serial.close(); |
| 45 | } |
| 46 | unsigned const cnt = execCount.load(); |
| 47 | if (cnt != nWorks) { |
| 48 | // Since the serial_executor is closed, all work should have been done, |
| 49 | // even though the loop_executor ex is not. |
| 50 | std::cerr << "Only "<< cnt << " of "<< nWorks << " works executed!\n"; |
| 51 | return 1; |
| 52 | } |
| 53 | |
| 54 | if (ex.try_executing_one()) { |
| 55 | std::cerr |
| 56 | << "loop_executor::try_executing_one suceeded on closed executor!\n"; |
| 57 | return 1; |
| 58 | } |
| 59 | |
| 60 | ex.close(); |
| 61 | |
| 62 | t.join(); |
| 63 | std::cout << "end\n"<< std::endl; |
| 64 | #endif |
| 65 | return 0; |
| 66 | } |
| 67 |