diff DEPENDENCIES/generic/include/boost/asio/detail/winrt_socket_send_op.hpp @ 16:2665513ce2d3

Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
parents
children c530137014c0
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DEPENDENCIES/generic/include/boost/asio/detail/winrt_socket_send_op.hpp	Tue Aug 05 11:11:38 2014 +0100
@@ -0,0 +1,103 @@
+//
+// detail/winrt_socket_send_op.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2013 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_WINRT_SOCKET_SEND_OP_HPP
+#define BOOST_ASIO_DETAIL_WINRT_SOCKET_SEND_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_WINDOWS_RUNTIME)
+
+#include <boost/asio/detail/addressof.hpp>
+#include <boost/asio/detail/bind_handler.hpp>
+#include <boost/asio/detail/buffer_sequence_adapter.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/winrt_async_op.hpp>
+#include <boost/asio/error.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace detail {
+
+template <typename ConstBufferSequence, typename Handler>
+class winrt_socket_send_op :
+  public winrt_async_op<unsigned int>
+{
+public:
+  BOOST_ASIO_DEFINE_HANDLER_PTR(winrt_socket_send_op);
+
+  winrt_socket_send_op(const ConstBufferSequence& buffers, Handler& handler)
+    : winrt_async_op<unsigned int>(&winrt_socket_send_op::do_complete),
+      buffers_(buffers),
+      handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler))
+  {
+  }
+
+  static void do_complete(io_service_impl* owner, operation* base,
+      const boost::system::error_code&, std::size_t)
+  {
+    // Take ownership of the operation object.
+    winrt_socket_send_op* o(static_cast<winrt_socket_send_op*>(base));
+    ptr p = { boost::asio::detail::addressof(o->handler_), o, o };
+
+    BOOST_ASIO_HANDLER_COMPLETION((o));
+
+#if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
+    // Check whether buffers are still valid.
+    if (owner)
+    {
+      buffer_sequence_adapter<boost::asio::const_buffer,
+          ConstBufferSequence>::validate(o->buffers_);
+    }
+#endif // defined(BOOST_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, boost::system::error_code, std::size_t>
+      handler(o->handler_, o->ec_, o->result_);
+    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_, handler.arg2_));
+      boost_asio_handler_invoke_helpers::invoke(handler, handler.handler_);
+      BOOST_ASIO_HANDLER_INVOCATION_END;
+    }
+  }
+
+private:
+  ConstBufferSequence buffers_;
+  Handler handler_;
+};
+
+} // namespace detail
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
+
+#endif // BOOST_ASIO_DETAIL_WINRT_SOCKET_SEND_OP_HPP