Initial Commit

include/asio/experimental/concurrent_channel.hpp

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+//
+// experimental/concurrent_channel.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2025 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_EXPERIMENTAL_CONCURRENT_CHANNEL_HPP
+#define ASIO_EXPERIMENTAL_CONCURRENT_CHANNEL_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/any_io_executor.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/execution/executor.hpp"
+#include "asio/is_executor.hpp"
+#include "asio/experimental/basic_concurrent_channel.hpp"
+#include "asio/experimental/channel_traits.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace experimental {
+namespace detail {
+
+template <typename ExecutorOrSignature, typename = void>
+struct concurrent_channel_type
+{
+  template <typename... Signatures>
+  struct inner
+  {
+    typedef basic_concurrent_channel<any_io_executor, channel_traits<>,
+        ExecutorOrSignature, Signatures...> type;
+  };
+};
+
+template <typename ExecutorOrSignature>
+struct concurrent_channel_type<ExecutorOrSignature,
+    enable_if_t<
+      is_executor<ExecutorOrSignature>::value
+        || execution::is_executor<ExecutorOrSignature>::value
+    >>
+{
+  template <typename... Signatures>
+  struct inner
+  {
+    typedef basic_concurrent_channel<ExecutorOrSignature,
+        channel_traits<>, Signatures...> type;
+  };
+};
+
+} // namespace detail
+
+/// Template type alias for common use of channel.
+#if defined(GENERATING_DOCUMENTATION)
+template <typename ExecutorOrSignature, typename... Signatures>
+using concurrent_channel = basic_concurrent_channel<
+    specified_executor_or_any_io_executor, channel_traits<>, signatures...>;
+#else // defined(GENERATING_DOCUMENTATION)
+template <typename ExecutorOrSignature, typename... Signatures>
+using concurrent_channel = typename detail::concurrent_channel_type<
+    ExecutorOrSignature>::template inner<Signatures...>::type;
+#endif // defined(GENERATING_DOCUMENTATION)
+
+} // namespace experimental
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_EXPERIMENTAL_CONCURRENT_CHANNEL_HPP