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-rw-r--r--lib/asio/detail/completion_handler.hpp83
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diff --git a/lib/asio/detail/completion_handler.hpp b/lib/asio/detail/completion_handler.hpp
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-//
-// detail/completion_handler.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 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_COMPLETION_HANDLER_HPP
-#define ASIO_DETAIL_COMPLETION_HANDLER_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.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/operation.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-template <typename Handler>
-class completion_handler : public operation
-{
-public:
- ASIO_DEFINE_HANDLER_PTR(completion_handler);
-
- completion_handler(Handler& h)
- : operation(&completion_handler::do_complete),
- handler_(ASIO_MOVE_CAST(Handler)(h))
- {
- handler_work<Handler>::start(handler_);
- }
-
- static void do_complete(void* owner, operation* base,
- const asio::error_code& /*ec*/,
- std::size_t /*bytes_transferred*/)
- {
- // Take ownership of the handler object.
- completion_handler* h(static_cast<completion_handler*>(base));
- ptr p = { asio::detail::addressof(h->handler_), h, h };
- handler_work<Handler> w(h->handler_);
-
- ASIO_HANDLER_COMPLETION((*h));
-
- // 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.
- Handler handler(ASIO_MOVE_CAST(Handler)(h->handler_));
- p.h = asio::detail::addressof(handler);
- p.reset();
-
- // Make the upcall if required.
- if (owner)
- {
- fenced_block b(fenced_block::half);
- ASIO_HANDLER_INVOCATION_BEGIN(());
- w.complete(handler, handler);
- ASIO_HANDLER_INVOCATION_END;
- }
- }
-
-private:
- Handler handler_;
-};
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // ASIO_DETAIL_COMPLETION_HANDLER_HPP