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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___MEMORY_POINTER_SAFETY_H
#define _LIBCPP___MEMORY_POINTER_SAFETY_H
#include <__config>
#include <cstddef>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if !defined(_LIBCPP_CXX03_LANG)
enum class pointer_safety : unsigned char {
relaxed,
preferred,
strict
};
inline _LIBCPP_INLINE_VISIBILITY
pointer_safety get_pointer_safety() _NOEXCEPT {
return pointer_safety::relaxed;
}
_LIBCPP_FUNC_VIS void declare_reachable(void* __p);
_LIBCPP_FUNC_VIS void declare_no_pointers(char* __p, size_t __n);
_LIBCPP_FUNC_VIS void undeclare_no_pointers(char* __p, size_t __n);
_LIBCPP_FUNC_VIS void* __undeclare_reachable(void* __p);
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
_Tp*
undeclare_reachable(_Tp* __p)
{
return static_cast<_Tp*>(__undeclare_reachable(__p));
}
#endif // !C++03
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___MEMORY_POINTER_SAFETY_H
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