//////////////////////////////////////////////////////////////////////////////
|
//
|
// (C) Copyright Ion Gaztanaga 2005-2012.
|
// (C) Copyright Gennaro Prota 2003 - 2004.
|
//
|
// 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)
|
//
|
// See http://www.boost.org/libs/interprocess for documentation.
|
//
|
//////////////////////////////////////////////////////////////////////////////
|
|
#ifndef BOOST_INTERPROCESS_DETAIL_POINTER_TYPE_HPP
|
#define BOOST_INTERPROCESS_DETAIL_POINTER_TYPE_HPP
|
|
#ifndef BOOST_CONFIG_HPP
|
# include <boost/config.hpp>
|
#endif
|
#
|
#if defined(BOOST_HAS_PRAGMA_ONCE)
|
# pragma once
|
#endif
|
|
#include <boost/interprocess/detail/config_begin.hpp>
|
#include <boost/interprocess/detail/workaround.hpp>
|
#include <boost/interprocess/detail/type_traits.hpp>
|
|
namespace boost {
|
namespace interprocess {
|
namespace ipcdetail {
|
|
struct two {char _[2];};
|
|
namespace pointer_type_imp {
|
|
template <class U> static two test(...);
|
template <class U> static char test(typename U::pointer* = 0);
|
|
} //namespace pointer_type_imp {
|
|
template <class T>
|
struct has_pointer_type
|
{
|
static const bool value = sizeof(pointer_type_imp::test<T>(0)) == 1;
|
};
|
|
namespace pointer_type_imp {
|
|
template <class T, class D, bool = has_pointer_type<D>::value>
|
struct pointer_type
|
{
|
typedef typename D::pointer type;
|
};
|
|
template <class T, class D>
|
struct pointer_type<T, D, false>
|
{
|
typedef T* type;
|
};
|
|
} //namespace pointer_type_imp {
|
|
template <class T, class D>
|
struct pointer_type
|
{
|
typedef typename pointer_type_imp::pointer_type<T,
|
typename remove_reference<D>::type>::type type;
|
};
|
|
} //namespace ipcdetail {
|
} //namespace interprocess {
|
} //namespace boost {
|
|
#include <boost/interprocess/detail/config_end.hpp>
|
|
#endif //#ifndef BOOST_INTERPROCESS_DETAIL_POINTER_TYPE_HPP
|
