import quincy beta 17.1.0

[ceph.git] / ceph / src / boost / boost / asio / execution / detail / as_operation.hpp

diff --git a/ceph/src/boost/boost/asio/execution/detail/as_operation.hpp b/ceph/src/boost/boost/asio/execution/detail/as_operation.hpp
new file mode 100644 (file)
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+++ b/ceph/src/boost/boost/asio/execution/detail/as_operation.hpp
@@ -0,0 +1,107 @@
+//
+// execution/detail/as_operation.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2020 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_EXECUTION_DETAIL_AS_OPERATION_HPP
+#define BOOST_ASIO_EXECUTION_DETAIL_AS_OPERATION_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+#include <boost/asio/detail/memory.hpp>
+#include <boost/asio/detail/type_traits.hpp>
+#include <boost/asio/execution/detail/as_invocable.hpp>
+#include <boost/asio/execution/execute.hpp>
+#include <boost/asio/execution/set_error.hpp>
+#include <boost/asio/traits/start_member.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace execution {
+namespace detail {
+
+template <typename Executor, typename Receiver>
+struct as_operation
+{
+  typename remove_cvref<Executor>::type ex_;
+  typename remove_cvref<Receiver>::type receiver_;
+#if !defined(BOOST_ASIO_HAS_MOVE)
+  boost::asio::detail::shared_ptr<boost::asio::detail::atomic_count> ref_count_;
+#endif // !defined(BOOST_ASIO_HAS_MOVE)
+
+  template <typename E, typename R>
+  explicit as_operation(BOOST_ASIO_MOVE_ARG(E) e, BOOST_ASIO_MOVE_ARG(R) r)
+    : ex_(BOOST_ASIO_MOVE_CAST(E)(e)),
+      receiver_(BOOST_ASIO_MOVE_CAST(R)(r))
+#if !defined(BOOST_ASIO_HAS_MOVE)
+      , ref_count_(new boost::asio::detail::atomic_count(1))
+#endif // !defined(BOOST_ASIO_HAS_MOVE)
+  {
+  }
+
+  void start() BOOST_ASIO_NOEXCEPT
+  {
+#if !defined(BOOST_ASIO_NO_EXCEPTIONS)
+    try
+    {
+#endif // !defined(BOOST_ASIO_NO_EXCEPTIONS)
+      execution::execute(
+          BOOST_ASIO_MOVE_CAST(typename remove_cvref<Executor>::type)(ex_),
+          as_invocable<typename remove_cvref<Receiver>::type,
+              Executor>(receiver_
+#if !defined(BOOST_ASIO_HAS_MOVE)
+                , ref_count_
+#endif // !defined(BOOST_ASIO_HAS_MOVE)
+              ));
+#if !defined(BOOST_ASIO_NO_EXCEPTIONS)
+    }
+    catch (...)
+    {
+#if defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR)
+      execution::set_error(
+          BOOST_ASIO_MOVE_OR_LVALUE(
+            typename remove_cvref<Receiver>::type)(
+              receiver_),
+          std::current_exception());
+#else // defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR)
+      std::terminate();
+#endif // defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR)
+    }
+#endif // !defined(BOOST_ASIO_NO_EXCEPTIONS)
+  }
+};
+
+} // namespace detail
+} // namespace execution
+namespace traits {
+
+#if !defined(BOOST_ASIO_HAS_DEDUCED_START_MEMBER_TRAIT)
+
+template <typename Executor, typename Receiver>
+struct start_member<
+    boost::asio::execution::detail::as_operation<Executor, Receiver> >
+{
+  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
+  BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
+  typedef void result_type;
+};
+
+#endif // !defined(BOOST_ASIO_HAS_DEDUCED_START_MEMBER_TRAIT)
+
+} // namespace traits
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_EXECUTION_DETAIL_AS_OPERATION_HPP