diff options
Diffstat (limited to '3rdparty/asio/include/asio/detail/winrt_socket_send_op.hpp')
-rw-r--r-- | 3rdparty/asio/include/asio/detail/winrt_socket_send_op.hpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/3rdparty/asio/include/asio/detail/winrt_socket_send_op.hpp b/3rdparty/asio/include/asio/detail/winrt_socket_send_op.hpp new file mode 100644 index 00000000000..eb21ef7e902 --- /dev/null +++ b/3rdparty/asio/include/asio/detail/winrt_socket_send_op.hpp @@ -0,0 +1,110 @@ +// +// detail/winrt_socket_send_op.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2024 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 ASIO_DETAIL_WINRT_SOCKET_SEND_OP_HPP +#define ASIO_DETAIL_WINRT_SOCKET_SEND_OP_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if defined(ASIO_WINDOWS_RUNTIME) + +#include "asio/detail/bind_handler.hpp" +#include "asio/detail/buffer_sequence_adapter.hpp" +#include "asio/detail/fenced_block.hpp" +#include "asio/detail/handler_alloc_helpers.hpp" +#include "asio/detail/handler_work.hpp" +#include "asio/detail/memory.hpp" +#include "asio/detail/winrt_async_op.hpp" +#include "asio/error.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace detail { + +template <typename ConstBufferSequence, typename Handler, typename IoExecutor> +class winrt_socket_send_op : + public winrt_async_op<unsigned int> +{ +public: + ASIO_DEFINE_HANDLER_PTR(winrt_socket_send_op); + + winrt_socket_send_op(const ConstBufferSequence& buffers, + Handler& handler, const IoExecutor& io_ex) + : winrt_async_op<unsigned int>(&winrt_socket_send_op::do_complete), + buffers_(buffers), + handler_(static_cast<Handler&&>(handler)), + work_(handler_, io_ex) + { + } + + static void do_complete(void* owner, operation* base, + const asio::error_code&, std::size_t) + { + // Take ownership of the operation object. + ASIO_ASSUME(base != 0); + winrt_socket_send_op* o(static_cast<winrt_socket_send_op*>(base)); + ptr p = { asio::detail::addressof(o->handler_), o, o }; + + ASIO_HANDLER_COMPLETION((*o)); + + // Take ownership of the operation's outstanding work. + handler_work<Handler, IoExecutor> w( + static_cast<handler_work<Handler, IoExecutor>&&>( + o->work_)); + +#if defined(ASIO_ENABLE_BUFFER_DEBUGGING) + // Check whether buffers are still valid. + if (owner) + { + buffer_sequence_adapter<asio::const_buffer, + ConstBufferSequence>::validate(o->buffers_); + } +#endif // defined(ASIO_ENABLE_BUFFER_DEBUGGING) + + // 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::binder2<Handler, asio::error_code, std::size_t> + handler(o->handler_, o->ec_, o->result_); + p.h = asio::detail::addressof(handler.handler_); + p.reset(); + + // Make the upcall if required. + if (owner) + { + fenced_block b(fenced_block::half); + ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_, handler.arg2_)); + w.complete(handler, handler.handler_); + ASIO_HANDLER_INVOCATION_END; + } + } + +private: + ConstBufferSequence buffers_; + Handler handler_; + handler_work<Handler, IoExecutor> executor_; +}; + +} // namespace detail +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // defined(ASIO_WINDOWS_RUNTIME) + +#endif // ASIO_DETAIL_WINRT_SOCKET_SEND_OP_HPP |