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73 lines
1.5 KiB
73 lines
1.5 KiB
// |
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// impl/system_context.ipp |
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// ~~~~~~~~~~~~~~~~~~~~~~~ |
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// |
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// Copyright (c) 2003-2018 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_(use_service<detail::scheduler>(*this)) |
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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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} // 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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