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81 lines
1.7 KiB
C++
81 lines
1.7 KiB
C++
//
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// impl/system_context.ipp
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// ~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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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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#ifndef ASIO_IMPL_SYSTEM_CONTEXT_IPP
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#define ASIO_IMPL_SYSTEM_CONTEXT_IPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/config.hpp"
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#include "asio/system_context.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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struct system_context::thread_function
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{
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detail::scheduler* scheduler_;
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void operator()()
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{
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asio::error_code ec;
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scheduler_->run(ec);
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}
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};
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system_context::system_context()
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: scheduler_(add_scheduler(new detail::scheduler(*this, 0, false)))
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{
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scheduler_.work_started();
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thread_function f = { &scheduler_ };
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std::size_t num_threads = detail::thread::hardware_concurrency() * 2;
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threads_.create_threads(f, num_threads ? num_threads : 2);
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}
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system_context::~system_context()
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{
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scheduler_.work_finished();
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scheduler_.stop();
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threads_.join();
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}
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void system_context::stop()
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{
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scheduler_.stop();
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}
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bool system_context::stopped() const ASIO_NOEXCEPT
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{
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return scheduler_.stopped();
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}
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void system_context::join()
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{
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scheduler_.work_finished();
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threads_.join();
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}
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detail::scheduler& system_context::add_scheduler(detail::scheduler* s)
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{
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detail::scoped_ptr<detail::scheduler> scoped_impl(s);
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asio::add_service<detail::scheduler>(*this, scoped_impl.get());
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return *scoped_impl.release();
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}
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_IMPL_SYSTEM_CONTEXT_IPP
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