boost.cpp

// Copyright 2020 The Division Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Author dietoad@gmail.com && firedtoad@gmail.com

#include <boost/asio/deadline_timer.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <iostream>
#include <thread>

void worker_thread()
{
    boost::asio::io_service io_service;

    std::vector<boost::asio::deadline_timer> vi;
    vi.reserve(100000);
    for (auto i = 1; i < 100000; i++)
    {
        auto &timer = vi.emplace_back(io_service);
        timer.expires_from_now(boost::posix_time::millisec(i * 1));
        timer.async_wait(
            [](boost::system::error_code)
            {
                //            std::cout << __PRETTY_FUNCTION__ << '\n';
            });
    }

    io_service.run();
}
int main(int argc, char **argv)
{
    //    std::vector<std::unique_ptr<std::thread>> vecThread;
    //    for (auto i = 0; i < 4; i++)
    //    {
    //        vecThread.emplace_back(std::make_unique<std::thread>(worker_thread));
    //    }
    //    for (auto &it : vecThread)
    //    {
    //        it->join();
    //    }

    return 0;
}