79 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
		
		
			
		
	
	
			79 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
|  | //
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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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|  | 
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|  | #ifndef ASIO_DETAIL_SCHEDULER_OPERATION_HPP
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|  | #define ASIO_DETAIL_SCHEDULER_OPERATION_HPP
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|  | 
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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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|  | 
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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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|  | 
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|  | #include "asio/detail/push_options.hpp"
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|  | 
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|  | namespace asio { | ||
|  | namespace detail { | ||
|  | 
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|  | class scheduler; | ||
|  | 
 | ||
|  | // 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 | ||
|  | { | ||
|  | public: | ||
|  |   typedef scheduler_operation operation_type; | ||
|  | 
 | ||
|  |   void complete(void* owner, const asio::error_code& ec, | ||
|  |       std::size_t bytes_transferred) | ||
|  |   { | ||
|  |     func_(owner, this, ec, bytes_transferred); | ||
|  |   } | ||
|  | 
 | ||
|  |   void destroy() | ||
|  |   { | ||
|  |     func_(0, this, asio::error_code(), 0); | ||
|  |   } | ||
|  | 
 | ||
|  | protected: | ||
|  |   typedef void (*func_type)(void*, | ||
|  |       scheduler_operation*, | ||
|  |       const asio::error_code&, std::size_t); | ||
|  | 
 | ||
|  |   scheduler_operation(func_type func) | ||
|  |     : next_(0), | ||
|  |       func_(func), | ||
|  |       task_result_(0) | ||
|  |   { | ||
|  |   } | ||
|  | 
 | ||
|  |   // Prevents deletion through this type.
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|  |   ~scheduler_operation() | ||
|  |   { | ||
|  |   } | ||
|  | 
 | ||
|  | private: | ||
|  |   friend class op_queue_access; | ||
|  |   scheduler_operation* next_; | ||
|  |   func_type func_; | ||
|  | protected: | ||
|  |   friend class scheduler; | ||
|  |   unsigned int task_result_; // Passed into bytes transferred.
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|  | }; | ||
|  | 
 | ||
|  | } // namespace detail
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|  | } // namespace asio
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|  | 
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|  | #include "asio/detail/pop_options.hpp"
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|  | 
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|  | #endif // ASIO_DETAIL_SCHEDULER_OPERATION_HPP
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