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//
 
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// Copyright (c) 2026 Michael Vandeberg
 
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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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// Official repository: https://github.com/cppalliance/corosio
 
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//
 
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#ifndef BOOST_COROSIO_DETAIL_RANDOM_ACCESS_FILE_SERVICE_HPP
 
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#define BOOST_COROSIO_DETAIL_RANDOM_ACCESS_FILE_SERVICE_HPP
 
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#include <boost/corosio/detail/config.hpp>
 
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#include <boost/corosio/random_access_file.hpp>
 
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#include <boost/capy/ex/execution_context.hpp>
 
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#include <filesystem>
 
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#include <system_error>
 
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namespace boost::corosio::detail {
 
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/** Abstract random-access file service base class.
 
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    Concrete implementations (posix, IOCP) inherit from
 
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    this class and provide platform-specific file operations.
 
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*/
 
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class BOOST_COROSIO_DECL random_access_file_service
 
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    : public capy::execution_context::service
 
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    , public io_object::io_service
 
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{
 
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public:
 
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    /// Identifies this service for `execution_context` lookup.
 
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    using key_type = random_access_file_service;
 
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    /** Open a file.
 
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        @param impl The file implementation to initialize.
 
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        @param path The filesystem path to open.
 
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        @param mode Bitmask of file_base::flags.
 
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        @return Error code on failure, empty on success.
 
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    */
 
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    virtual std::error_code open_file(
 
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        random_access_file::implementation& impl,
 
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        std::filesystem::path const& path,
 
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        file_base::flags mode) = 0;
 
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protected:
 
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    random_access_file_service() = default;
 
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    ~random_access_file_service() override = default;
 
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};
 
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} // namespace boost::corosio::detail
 
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#endif // BOOST_COROSIO_DETAIL_RANDOM_ACCESS_FILE_SERVICE_HPP