yuzu/externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/detail/io_uring_operation.hpp

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//
// detail/io_uring_operation.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_ASIO_DETAIL_IO_URING_OPERATION_HPP
#define BOOST_ASIO_DETAIL_IO_URING_OPERATION_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/config.hpp>
#if defined(BOOST_ASIO_HAS_IO_URING)
#include <liburing.h>
#include <boost/asio/detail/cstdint.hpp>
#include <boost/asio/detail/operation.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
class io_uring_operation
: public operation
{
public:
// The error code to be passed to the completion handler.
boost::system::error_code ec_;
// The number of bytes transferred, to be passed to the completion handler.
std::size_t bytes_transferred_;
// The operation key used for targeted cancellation.
void* cancellation_key_;
// Prepare the operation.
void prepare(::io_uring_sqe* sqe)
{
return prepare_func_(this, sqe);
}
// Perform actions associated with the operation. Returns true when complete.
bool perform(bool after_completion)
{
return perform_func_(this, after_completion);
}
protected:
typedef void (*prepare_func_type)(io_uring_operation*, ::io_uring_sqe*);
typedef bool (*perform_func_type)(io_uring_operation*, bool);
io_uring_operation(const boost::system::error_code& success_ec,
prepare_func_type prepare_func, perform_func_type perform_func,
func_type complete_func)
: operation(complete_func),
ec_(success_ec),
bytes_transferred_(0),
cancellation_key_(0),
prepare_func_(prepare_func),
perform_func_(perform_func)
{
}
private:
prepare_func_type prepare_func_;
perform_func_type perform_func_;
};
} // namespace detail
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // defined(BOOST_ASIO_HAS_IO_URING)
#endif // BOOST_ASIO_DETAIL_IO_URING_OPERATION_HPP