update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / boost / asio / experimental / detail / channel_message.hpp

diff --git a/ceph/src/boost/boost/asio/experimental/detail/channel_message.hpp b/ceph/src/boost/boost/asio/experimental/detail/channel_message.hpp
new file mode 100644 (file)
index 0000000..f565c7e
--- /dev/null
+++ b/ceph/src/boost/boost/asio/experimental/detail/channel_message.hpp
@@ -0,0 +1,124 @@
+//
+// experimental/detail/channel_message.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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_EXPERIMENTAL_DETAIL_CHANNEL_MESSAGE_HPP
+#define BOOST_ASIO_EXPERIMENTAL_DETAIL_CHANNEL_MESSAGE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+#include <tuple>
+#include <boost/asio/detail/type_traits.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace experimental {
+namespace detail {
+
+template <typename Signature>
+class channel_message;
+
+template <typename R>
+class channel_message<R()>
+{
+public:
+  channel_message(int)
+  {
+  }
+
+  template <typename Handler>
+  void receive(Handler& handler)
+  {
+    BOOST_ASIO_MOVE_OR_LVALUE(Handler)(handler)();
+  }
+};
+
+template <typename R, typename Arg0>
+class channel_message<R(Arg0)>
+{
+public:
+  template <typename T0>
+  channel_message(int, BOOST_ASIO_MOVE_ARG(T0) t0)
+    : arg0_(BOOST_ASIO_MOVE_CAST(T0)(t0))
+  {
+  }
+
+  template <typename Handler>
+  void receive(Handler& handler)
+  {
+    BOOST_ASIO_MOVE_OR_LVALUE(Handler)(handler)(
+        BOOST_ASIO_MOVE_CAST(arg0_type)(arg0_));
+  }
+
+private:
+  typedef typename decay<Arg0>::type arg0_type;
+  arg0_type arg0_;
+};
+
+template <typename R, typename Arg0, typename Arg1>
+class channel_message<R(Arg0, Arg1)>
+{
+public:
+  template <typename T0, typename T1>
+  channel_message(int, BOOST_ASIO_MOVE_ARG(T0) t0, BOOST_ASIO_MOVE_ARG(T1) t1)
+    : arg0_(BOOST_ASIO_MOVE_CAST(T0)(t0)),
+      arg1_(BOOST_ASIO_MOVE_CAST(T1)(t1))
+  {
+  }
+
+  template <typename Handler>
+  void receive(Handler& handler)
+  {
+    BOOST_ASIO_MOVE_OR_LVALUE(Handler)(handler)(
+        BOOST_ASIO_MOVE_CAST(arg0_type)(arg0_),
+        BOOST_ASIO_MOVE_CAST(arg1_type)(arg1_));
+  }
+
+private:
+  typedef typename decay<Arg0>::type arg0_type;
+  arg0_type arg0_;
+  typedef typename decay<Arg1>::type arg1_type;
+  arg1_type arg1_;
+};
+
+template <typename R, typename... Args>
+class channel_message<R(Args...)>
+{
+public:
+  template <typename... T>
+  channel_message(int, BOOST_ASIO_MOVE_ARG(T)... t)
+    : args_(BOOST_ASIO_MOVE_CAST(T)(t)...)
+  {
+  }
+
+  template <typename Handler>
+  void receive(Handler& h)
+  {
+    std::apply(BOOST_ASIO_MOVE_OR_LVALUE(Handler)(h),
+        BOOST_ASIO_MOVE_CAST(args_type)(args_));
+  }
+
+private:
+  typedef std::tuple<typename decay<Args>::type...> args_type;
+  args_type args_;
+};
+
+} // namespace detail
+} // namespace experimental
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_EXPERIMENTAL_DETAIL_CHANNEL_MESSAGE_HPP