serial_executor.cpp

// Copyright (C) 2015 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
#define BOOST_THREAD_QUEUE_DEPRECATE_OLD

// TODO: #define BOOST_THREAD_USES_LOG
#define BOOST_THREAD_USES_LOG_THREAD_ID

#include <boost/thread/caller_context.hpp>
#include <boost/thread/executors/basic_thread_pool.hpp>
#include <boost/thread/executors/executor.hpp>
#include <boost/thread/executors/serial_executor.hpp>

#include <iostream>

void p1()
{
    std::cout << BOOST_CONTEXTOF << std::endl;
    boost::this_thread::sleep_for(boost::chrono::milliseconds(3));
    // std::cout << BOOST_CONTEXTOF << std::endl;
}

void p2()
{
    std::cout << BOOST_CONTEXTOF << std::endl;
    boost::this_thread::sleep_for(boost::chrono::milliseconds(2));
    // std::cout << BOOST_CONTEXTOF << std::endl;
}

void submit_some(boost::serial_executor& tp)
{
    for (int i = 0; i < 3; ++i) {
        std::cout << BOOST_CONTEXTOF << std::endl;
        tp.submit(&p2);
    }
    for (int i = 0; i < 3; ++i) {
        std::cout << BOOST_CONTEXTOF << std::endl;
        tp.submit(&p1);
    }
}

void at_th_entry(boost::basic_thread_pool& /*unused*/) { }

int test_executor_adaptor()
{
    try {
        boost::basic_thread_pool ea1(4);
        boost::serial_executor ea2(ea1);
        submit_some(ea2);
        boost::this_thread::sleep_for(boost::chrono::seconds(2));
    } catch (std::exception& ex) {
        std::cerr << "ERROR= " << ex.what() << "" << std::endl;
        return 1;
    } catch (...) {
        std::cerr << " ERROR= exception thrown" << std::endl;
        return 2;
    }

    return 0;
}

int main() { return test_executor_adaptor(); }