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

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//
// detail/io_uring_socket_connect_op.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_SOCKET_CONNECT_OP_HPP
#define BOOST_ASIO_DETAIL_IO_URING_SOCKET_CONNECT_OP_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 <boost/asio/detail/bind_handler.hpp>
#include <boost/asio/detail/fenced_block.hpp>
#include <boost/asio/detail/handler_alloc_helpers.hpp>
#include <boost/asio/detail/handler_invoke_helpers.hpp>
#include <boost/asio/detail/handler_work.hpp>
#include <boost/asio/detail/io_uring_operation.hpp>
#include <boost/asio/detail/memory.hpp>
#include <boost/asio/detail/socket_ops.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
template <typename Protocol>
class io_uring_socket_connect_op_base : public io_uring_operation
{
public:
io_uring_socket_connect_op_base(const boost::system::error_code& success_ec,
socket_type socket, const typename Protocol::endpoint& endpoint,
func_type complete_func)
: io_uring_operation(success_ec,
&io_uring_socket_connect_op_base::do_prepare,
&io_uring_socket_connect_op_base::do_perform, complete_func),
socket_(socket),
endpoint_(endpoint)
{
}
static void do_prepare(io_uring_operation* base, ::io_uring_sqe* sqe)
{
io_uring_socket_connect_op_base* o(
static_cast<io_uring_socket_connect_op_base*>(base));
::io_uring_prep_connect(sqe, o->socket_,
static_cast<sockaddr*>(o->endpoint_.data()),
static_cast<socklen_t>(o->endpoint_.size()));
}
static bool do_perform(io_uring_operation*, bool after_completion)
{
return after_completion;
}
private:
socket_type socket_;
typename Protocol::endpoint endpoint_;
};
template <typename Protocol, typename Handler, typename IoExecutor>
class io_uring_socket_connect_op :
public io_uring_socket_connect_op_base<Protocol>
{
public:
BOOST_ASIO_DEFINE_HANDLER_PTR(io_uring_socket_connect_op);
io_uring_socket_connect_op(const boost::system::error_code& success_ec,
socket_type socket, const typename Protocol::endpoint& endpoint,
Handler& handler, const IoExecutor& io_ex)
: io_uring_socket_connect_op_base<Protocol>(success_ec, socket,
endpoint, &io_uring_socket_connect_op::do_complete),
handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)),
work_(handler_, io_ex)
{
}
static void do_complete(void* owner, operation* base,
const boost::system::error_code& /*ec*/,
std::size_t /*bytes_transferred*/)
{
// Take ownership of the handler object.
io_uring_socket_connect_op* o
(static_cast<io_uring_socket_connect_op*>(base));
ptr p = { boost::asio::detail::addressof(o->handler_), o, o };
BOOST_ASIO_HANDLER_COMPLETION((*o));
// Take ownership of the operation's outstanding work.
handler_work<Handler, IoExecutor> w(
BOOST_ASIO_MOVE_CAST2(handler_work<Handler, IoExecutor>)(
o->work_));
// Make a copy of the handler so that the memory can be deallocated before
// the upcall is made. Even if we're not about to make an upcall, a
// sub-object of the handler may be the true owner of the memory associated
// with the handler. Consequently, a local copy of the handler is required
// to ensure that any owning sub-object remains valid until after we have
// deallocated the memory here.
detail::binder1<Handler, boost::system::error_code>
handler(o->handler_, o->ec_);
p.h = boost::asio::detail::addressof(handler.handler_);
p.reset();
// Make the upcall if required.
if (owner)
{
fenced_block b(fenced_block::half);
BOOST_ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_));
w.complete(handler, handler.handler_);
BOOST_ASIO_HANDLER_INVOCATION_END;
}
}
private:
Handler handler_;
handler_work<Handler, IoExecutor> work_;
};
} // 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_SOCKET_CONNECT_OP_HPP