From e95946831f8ef53d29590735a2df661385edb008 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Mon, 6 Aug 2018 10:35:22 +0200
Subject: Replace boost by the standalone asio library

---
 lib/asio/detail/winrt_socket_send_op.hpp | 103 +++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 lib/asio/detail/winrt_socket_send_op.hpp

(limited to 'lib/asio/detail/winrt_socket_send_op.hpp')

diff --git a/lib/asio/detail/winrt_socket_send_op.hpp b/lib/asio/detail/winrt_socket_send_op.hpp
new file mode 100644
index 0000000..1148c24
--- /dev/null
+++ b/lib/asio/detail/winrt_socket_send_op.hpp
@@ -0,0 +1,103 @@
+//
+// detail/winrt_socket_send_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_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_invoke_helpers.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>
+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)
+    : winrt_async_op<unsigned int>(&winrt_socket_send_op::do_complete),
+      buffers_(buffers),
+      handler_(ASIO_MOVE_CAST(Handler)(handler))
+  {
+    handler_work<Handler>::start(handler_);
+  }
+
+  static void do_complete(void* owner, operation* base,
+      const asio::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 = { asio::detail::addressof(o->handler_), o, o };
+    handler_work<Handler> w(o->handler_);
+
+    ASIO_HANDLER_COMPLETION((*o));
+
+#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_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_WINDOWS_RUNTIME)
+
+#endif // ASIO_DETAIL_WINRT_SOCKET_SEND_OP_HPP
-- 
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