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78 lines
2.0 KiB
78 lines
2.0 KiB
// |
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// system_context.hpp |
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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_SYSTEM_CONTEXT_HPP |
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#define ASIO_SYSTEM_CONTEXT_HPP |
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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/detail/scheduler.hpp" |
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#include "asio/detail/thread_group.hpp" |
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#include "asio/execution_context.hpp" |
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#include "asio/detail/push_options.hpp" |
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namespace asio { |
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class system_executor; |
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/// The executor context for the system executor. |
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class system_context : public execution_context |
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{ |
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public: |
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/// The executor type associated with the context. |
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typedef system_executor executor_type; |
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/// Destructor shuts down all threads in the system thread pool. |
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ASIO_DECL ~system_context(); |
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/// Obtain an executor for the context. |
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executor_type get_executor() ASIO_NOEXCEPT; |
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/// Signal all threads in the system thread pool to stop. |
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ASIO_DECL void stop(); |
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/// Determine whether the system thread pool has been stopped. |
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ASIO_DECL bool stopped() const ASIO_NOEXCEPT; |
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/// Join all threads in the system thread pool. |
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ASIO_DECL void join(); |
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#if defined(GENERATING_DOCUMENTATION) |
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private: |
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#endif // defined(GENERATING_DOCUMENTATION) |
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// Constructor creates all threads in the system thread pool. |
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ASIO_DECL system_context(); |
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private: |
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friend class system_executor; |
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struct thread_function; |
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// The underlying scheduler. |
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detail::scheduler& scheduler_; |
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// The threads in the system thread pool. |
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detail::thread_group threads_; |
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}; |
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} // namespace asio |
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#include "asio/detail/pop_options.hpp" |
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#include "asio/impl/system_context.hpp" |
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#if defined(ASIO_HEADER_ONLY) |
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# include "asio/impl/system_context.ipp" |
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#endif // defined(ASIO_HEADER_ONLY) |
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#endif // ASIO_SYSTEM_CONTEXT_HPP
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