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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
commit0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch)
treea71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/detail/win_iocp_null_buffers_op.hpp
parent558d74bffd9f069955af52c0b308a1d6169bcff0 (diff)
parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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Merge lime output into next branch
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diff --git a/lib/asio/detail/win_iocp_null_buffers_op.hpp b/lib/asio/detail/win_iocp_null_buffers_op.hpp
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-//
-// detail/win_iocp_null_buffers_op.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_WIN_IOCP_NULL_BUFFERS_OP_HPP
-#define ASIO_DETAIL_WIN_IOCP_NULL_BUFFERS_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_HAS_IOCP)
-
-#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_invoke_helpers.hpp"
-#include "asio/detail/memory.hpp"
-#include "asio/detail/reactor_op.hpp"
-#include "asio/detail/socket_ops.hpp"
-#include "asio/error.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-template <typename Handler>
-class win_iocp_null_buffers_op : public reactor_op
-{
-public:
- ASIO_DEFINE_HANDLER_PTR(win_iocp_null_buffers_op);
-
- win_iocp_null_buffers_op(socket_ops::weak_cancel_token_type cancel_token,
- Handler& handler)
- : reactor_op(&win_iocp_null_buffers_op::do_perform,
- &win_iocp_null_buffers_op::do_complete),
- cancel_token_(cancel_token),
- handler_(ASIO_MOVE_CAST(Handler)(handler))
- {
- handler_work<Handler>::start(handler_);
- }
-
- static status do_perform(reactor_op*)
- {
- return done;
- }
-
- static void do_complete(void* owner, operation* base,
- const asio::error_code& result_ec,
- std::size_t bytes_transferred)
- {
- asio::error_code ec(result_ec);
-
- // Take ownership of the operation object.
- win_iocp_null_buffers_op* o(static_cast<win_iocp_null_buffers_op*>(base));
- ptr p = { asio::detail::addressof(o->handler_), o, o };
- handler_work<Handler> w(o->handler_);
-
- ASIO_HANDLER_COMPLETION((*o));
-
- // The reactor may have stored a result in the operation object.
- if (o->ec_)
- ec = o->ec_;
-
- // Map non-portable errors to their portable counterparts.
- if (ec.value() == ERROR_NETNAME_DELETED)
- {
- if (o->cancel_token_.expired())
- ec = asio::error::operation_aborted;
- else
- ec = asio::error::connection_reset;
- }
- else if (ec.value() == ERROR_PORT_UNREACHABLE)
- {
- ec = asio::error::connection_refused;
- }
-
- // 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_, ec, bytes_transferred);
- 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:
- socket_ops::weak_cancel_token_type cancel_token_;
- Handler handler_;
-};
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_IOCP)
-
-#endif // ASIO_DETAIL_WIN_IOCP_NULL_BUFFERS_OP_HPP