| 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 | #include <boost/config.hpp> |
| 7 | #if ! defined BOOST_NO_CXX11_DECLTYPE |
| 8 | #define BOOST_RESULT_OF_USE_DECLTYPE |
| 9 | #endif |
| 10 | |
| 11 | #define BOOST_THREAD_VERSION 5 |
| 12 | #define BOOST_THREAD_USES_LOG_THREAD_ID |
| 13 | |
| 14 | #include <boost/thread/caller_context.hpp> |
| 15 | #include <boost/thread/executors/basic_thread_pool.hpp> |
| 16 | #include <boost/thread/executors/generic_executor_ref.hpp> |
| 17 | #include <boost/smart_ptr/shared_ptr.hpp> |
| 18 | #include <boost/smart_ptr/make_shared.hpp> |
| 19 | #include <string> |
| 20 | #include <iostream> |
| 21 | |
| 22 | #include <boost/thread/caller_context.hpp> |
| 23 | |
| 24 | struct current_executor_state_type { |
| 25 | boost::shared_ptr<boost::generic_executor_ref> current_executor_ptr; |
| 26 | |
| 27 | template <class Executor> |
| 28 | void set_current_executor(Executor& ex) |
| 29 | { |
| 30 | current_executor_ptr = boost::make_shared<boost::generic_executor_ref>(ex); |
| 31 | } |
| 32 | boost::generic_executor_ref current_executor() |
| 33 | { |
| 34 | if (current_executor_ptr) |
| 35 | return *current_executor_ptr; |
| 36 | else |
| 37 | throw ""; |
| 38 | } |
| 39 | }; |
| 40 | |
| 41 | thread_local current_executor_state_type current_executor_state; |
| 42 | |
| 43 | boost::generic_executor_ref current_executor() |
| 44 | { |
| 45 | return current_executor_state.current_executor(); |
| 46 | } |
| 47 | |
| 48 | void p2() |
| 49 | { |
| 50 | std::cout << BOOST_CONTEXTOF << std::endl; |
| 51 | boost::this_thread::sleep_for(d: boost::chrono::milliseconds(200)); |
| 52 | std::cout << BOOST_CONTEXTOF << std::endl; |
| 53 | } |
| 54 | |
| 55 | |
| 56 | void p1() |
| 57 | { |
| 58 | std::cout << BOOST_CONTEXTOF << std::endl; |
| 59 | boost::this_thread::sleep_for(d: boost::chrono::milliseconds(200)); |
| 60 | current_executor().submit(closure: &p2); |
| 61 | boost::this_thread::sleep_for(d: boost::chrono::milliseconds(400)); |
| 62 | std::cout << BOOST_CONTEXTOF << std::endl; |
| 63 | } |
| 64 | |
| 65 | int main() |
| 66 | { |
| 67 | std::cout << BOOST_CONTEXTOF << std::endl; |
| 68 | |
| 69 | boost::basic_thread_pool tp(4, |
| 70 | // at_thread_entry |
| 71 | [](boost::basic_thread_pool& pool) |
| 72 | { |
| 73 | current_executor_state.set_current_executor(pool); |
| 74 | } |
| 75 | ); |
| 76 | |
| 77 | tp.submit(closure: &p1); |
| 78 | |
| 79 | boost::this_thread::sleep_for(d: boost::chrono::seconds(5)); |
| 80 | |
| 81 | std::cout << BOOST_CONTEXTOF << std::endl; |
| 82 | |
| 83 | return 1; |
| 84 | |
| 85 | } |
| 86 |