79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
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//
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// detail/scheduler_operation.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2023 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_DETAIL_SCHEDULER_OPERATION_HPP
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#define ASIO_DETAIL_SCHEDULER_OPERATION_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/error_code.hpp"
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#include "asio/detail/handler_tracking.hpp"
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#include "asio/detail/op_queue.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace detail {
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class scheduler;
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// Base class for all operations. A function pointer is used instead of virtual
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// functions to avoid the associated overhead.
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class scheduler_operation ASIO_INHERIT_TRACKED_HANDLER
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{
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public:
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typedef scheduler_operation operation_type;
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void complete(void* owner, const asio::error_code& ec,
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std::size_t bytes_transferred)
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{
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func_(owner, this, ec, bytes_transferred);
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}
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void destroy()
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{
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func_(0, this, asio::error_code(), 0);
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}
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protected:
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typedef void (*func_type)(void*,
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scheduler_operation*,
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const asio::error_code&, std::size_t);
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scheduler_operation(func_type func)
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: next_(0),
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func_(func),
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task_result_(0)
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{
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}
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// Prevents deletion through this type.
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~scheduler_operation()
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{
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}
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private:
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friend class op_queue_access;
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scheduler_operation* next_;
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func_type func_;
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protected:
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friend class scheduler;
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unsigned int task_result_; // Passed into bytes transferred.
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};
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} // namespace detail
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_DETAIL_SCHEDULER_OPERATION_HPP
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