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- // Copyright (C) 2014 Ian Forbed
- // Copyright (C) 2014 Vicente J. Botet Escriba
- //
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- //
- #include <boost/config.hpp>
- #if ! defined BOOST_NO_CXX11_DECLTYPE
- #define BOOST_RESULT_OF_USE_DECLTYPE
- #endif
- #define BOOST_THREAD_VERSION 4
- #define BOOST_THREAD_PROVIDES_EXECUTORS
- #include <boost/bind.hpp>
- #include <boost/chrono.hpp>
- #include <boost/chrono/chrono_io.hpp>
- #include <boost/function.hpp>
- #include <boost/thread/executors/scheduled_thread_pool.hpp>
- #include <iostream>
- #include <boost/core/lightweight_test.hpp>
- using namespace boost::chrono;
- typedef boost::scheduled_thread_pool scheduled_tp;
- void fn(int x)
- {
- std::cout << x << std::endl;
- }
- void func(steady_clock::time_point pushed, steady_clock::duration dur)
- {
- BOOST_TEST(pushed + dur < steady_clock::now());
- }
- void func2(scheduled_tp* tp, steady_clock::duration d)
- {
- boost::function<void()> fn = boost::bind(func,steady_clock::now(),d);
- tp->submit_after(fn, d);
- }
- void test_timing(const int n)
- {
- //This function should take n seconds to execute.
- boost::scheduled_thread_pool se(4);
- for(int i = 1; i <= n; i++)
- {
- se.submit_after(boost::bind(fn,i), milliseconds(i*100));
- }
- boost::this_thread::sleep_for(boost::chrono::seconds(10));
- //dtor is called here so all task will have to be executed before we return
- }
- void test_deque_timing()
- {
- boost::scheduled_thread_pool se(4);
- for(int i = 0; i < 10; i++)
- {
- steady_clock::duration d = milliseconds(i*100);
- boost::function<void()> fn = boost::bind(func,steady_clock::now(),d);
- se.submit_after(fn,d);
- }
- }
- void test_deque_multi(const int n)
- {
- scheduled_tp se(4);
- boost::thread_group tg;
- for(int i = 0; i < n; i++)
- {
- steady_clock::duration d = milliseconds(i*100);
- //boost::function<void()> fn = boost::bind(func,steady_clock::now(),d);
- //tg.create_thread(boost::bind(boost::mem_fn(&scheduled_tp::submit_after), &se, fn, d));
- tg.create_thread(boost::bind(func2, &se, d));
- }
- tg.join_all();
- //dtor is called here so execution will block until all the closures
- //have been completed.
- }
- int main()
- {
- steady_clock::time_point start = steady_clock::now();
- test_timing(5);
- steady_clock::duration diff = steady_clock::now() - start;
- BOOST_TEST(diff > milliseconds(500));
- test_deque_timing();
- test_deque_multi(4);
- test_deque_multi(8);
- test_deque_multi(16);
- return boost::report_errors();
- }
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