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