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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 untill 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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