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Diffstat (limited to 'lib/asio/detail/completion_handler.hpp')
-rw-r--r-- | lib/asio/detail/completion_handler.hpp | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/lib/asio/detail/completion_handler.hpp b/lib/asio/detail/completion_handler.hpp deleted file mode 100644 index 58a2e6d..0000000 --- a/lib/asio/detail/completion_handler.hpp +++ /dev/null @@ -1,83 +0,0 @@ -// -// 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 |