shared_ptr.hpp

// Copyright (C) 2011-2012 by the BEM++ Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef fiber_shared_ptr_hpp
#define fiber_shared_ptr_hpp

#include "../common/common.hpp"

#ifdef __INTEL_COMPILER
#pragma warning(disable:279 858)
#endif

#include <boost/shared_ptr.hpp>
#include <boost/pointer_cast.hpp>

#ifdef __INTEL_COMPILER
#pragma warning(default:858)
#endif

namespace Fiber
{

using boost::shared_ptr;
using boost::dynamic_pointer_cast;

struct null_deleter
{
    void operator() (const void*) const {
    }
};

template <typename T>
inline shared_ptr<T> make_shared_from_ref(T& t)
{
    return shared_ptr<T>(&t, null_deleter());
}

template <typename T>
inline shared_ptr<const T> make_shared_from_const_ref(const T& t)
{
    return shared_ptr<const T>(&t, null_deleter());
}

} // namespace Fiber

#endif // fiber_shared_ptr_hpp