add boost on mac

macx64/include/boost/asio/detail/io_object_impl.hpp

@@ -0,0 +1,195 @@
+//
+// io_object_impl.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 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_IO_OBJECT_IMPL_HPP
+#define BOOST_ASIO_DETAIL_IO_OBJECT_IMPL_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <new>
+#include <boost/asio/detail/config.hpp>
+#include <boost/asio/detail/io_object_executor.hpp>
+#include <boost/asio/detail/type_traits.hpp>
+#include <boost/asio/io_context.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+
+class executor;
+
+namespace detail {
+
+inline bool is_native_io_executor(const io_context::executor_type&)
+{
+  return true;
+}
+
+template <typename Executor>
+inline bool is_native_io_executor(const Executor&,
+    typename enable_if<!is_same<Executor, executor>::value>::type* = 0)
+{
+  return false;
+}
+
+template <typename Executor>
+inline bool is_native_io_executor(const Executor& ex,
+    typename enable_if<is_same<Executor, executor>::value>::type* = 0)
+{
+#if !defined (BOOST_ASIO_NO_TYPEID)
+  return ex.target_type() == typeid(io_context::executor_type);
+#else // !defined (BOOST_ASIO_NO_TYPEID)
+  return false;
+#endif // !defined (BOOST_ASIO_NO_TYPEID)
+}
+
+template <typename IoObjectService,
+    typename Executor = io_context::executor_type>
+class io_object_impl
+{
+public:
+  // The type of the service that will be used to provide I/O operations.
+  typedef IoObjectService service_type;
+
+  // The underlying implementation type of I/O object.
+  typedef typename service_type::implementation_type implementation_type;
+
+  // The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  // The type of executor to be used when implementing asynchronous operations.
+  typedef io_object_executor<Executor> implementation_executor_type;
+
+  // Construct an I/O object using an executor.
+  explicit io_object_impl(const executor_type& ex)
+    : service_(&boost::asio::use_service<IoObjectService>(ex.context())),
+      implementation_executor_(ex, (is_native_io_executor)(ex))
+  {
+    service_->construct(implementation_);
+  }
+
+  // Construct an I/O object using an execution context.
+  template <typename ExecutionContext>
+  explicit io_object_impl(ExecutionContext& context,
+      typename enable_if<is_convertible<
+        ExecutionContext&, execution_context&>::value>::type* = 0)
+    : service_(&boost::asio::use_service<IoObjectService>(context)),
+      implementation_executor_(context.get_executor(),
+        is_same<ExecutionContext, io_context>::value)
+  {
+    service_->construct(implementation_);
+  }
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+  // Move-construct an I/O object.
+  io_object_impl(io_object_impl&& other)
+    : service_(&other.get_service()),
+      implementation_executor_(other.get_implementation_executor())
+  {
+    service_->move_construct(implementation_, other.implementation_);
+  }
+
+  // Perform a converting move-construction of an I/O object.
+  template <typename IoObjectService1, typename Executor1>
+  io_object_impl(io_object_impl<IoObjectService1, Executor1>&& other)
+    : service_(&boost::asio::use_service<IoObjectService>(
+            other.get_implementation_executor().context())),
+      implementation_executor_(other.get_implementation_executor())
+  {
+    service_->converting_move_construct(implementation_,
+        other.get_service(), other.get_implementation());
+  }
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+  // Destructor.
+  ~io_object_impl()
+  {
+    service_->destroy(implementation_);
+  }
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+  // Move-assign an I/O object.
+  io_object_impl& operator=(io_object_impl&& other)
+  {
+    if (this != &other)
+    {
+      service_->move_assign(implementation_,
+          *other.service_, other.implementation_);
+      implementation_executor_.~implementation_executor_type();
+      new (&implementation_executor_) implementation_executor_type(
+          std::move(other.implementation_executor_));
+      service_ = other.service_;
+    }
+    return *this;
+  }
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+  // Get the executor associated with the object.
+  executor_type get_executor() BOOST_ASIO_NOEXCEPT
+  {
+    return implementation_executor_.inner_executor();
+  }
+
+  // Get the executor to be used when implementing asynchronous operations.
+  const implementation_executor_type& get_implementation_executor()
+    BOOST_ASIO_NOEXCEPT
+  {
+    return implementation_executor_;
+  }
+
+  // Get the service associated with the I/O object.
+  service_type& get_service()
+  {
+    return *service_;
+  }
+
+  // Get the service associated with the I/O object.
+  const service_type& get_service() const
+  {
+    return *service_;
+  }
+
+  // Get the underlying implementation of the I/O object.
+  implementation_type& get_implementation()
+  {
+    return implementation_;
+  }
+
+  // Get the underlying implementation of the I/O object.
+  const implementation_type& get_implementation() const
+  {
+    return implementation_;
+  }
+
+private:
+  // Disallow copying and copy assignment.
+  io_object_impl(const io_object_impl&);
+  io_object_impl& operator=(const io_object_impl&);
+
+  // The service associated with the I/O object.
+  service_type* service_;
+
+  // The underlying implementation of the I/O object.
+  implementation_type implementation_;
+
+  // The associated executor.
+  implementation_executor_type implementation_executor_;
+};
+
+} // namespace detail
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_DETAIL_IO_OBJECT_IMPL_HPP