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// <memory> -*- C++ -*- |
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// Copyright (C) 2001-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the |
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// terms of the GNU General Public License as published by the |
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// Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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|
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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|
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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|
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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|
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/* |
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* Copyright (c) 1997-1999 |
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* Silicon Graphics Computer Systems, Inc. |
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* |
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* Permission to use, copy, modify, distribute and sell this software |
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* and its documentation for any purpose is hereby granted without fee, |
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* provided that the above copyright notice appear in all copies and |
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* that both that copyright notice and this permission notice appear |
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* in supporting documentation. Silicon Graphics makes no |
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* representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied warranty. |
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* |
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*/ |
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|
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/** @file include/memory |
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* This is a Standard C++ Library header. |
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* @ingroup memory |
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*/ |
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|
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#ifndef _GLIBCXX_MEMORY |
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#define _GLIBCXX_MEMORY 1 |
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|
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#pragma GCC system_header |
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|
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/** |
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* @defgroup memory Memory |
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* @ingroup utilities |
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* |
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* Components for memory allocation, deallocation, and management. |
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*/ |
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|
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/** |
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* @defgroup pointer_abstractions Pointer Abstractions |
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* @ingroup memory |
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* |
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* Smart pointers, etc. |
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*/ |
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|
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#include <bits/stl_algobase.h> |
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#include <bits/allocator.h> |
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#include <bits/stl_construct.h> |
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#include <bits/stl_uninitialized.h> |
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#include <bits/stl_tempbuf.h> |
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#include <bits/stl_raw_storage_iter.h> |
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|
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#if __cplusplus >= 201103L |
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# include <type_traits> |
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# include <bits/align.h> |
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# include <bits/uses_allocator.h> |
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# include <bits/alloc_traits.h> |
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# include <debug/debug.h> |
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# include <bits/unique_ptr.h> |
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# include <bits/shared_ptr.h> |
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# include <bits/shared_ptr_atomic.h> |
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#endif |
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|
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#if __cplusplus < 201103L || _GLIBCXX_USE_DEPRECATED |
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# include <backward/auto_ptr.h> |
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#endif |
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|
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#if __cplusplus > 201703L |
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# include <bits/ranges_uninitialized.h> |
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# include <bits/uses_allocator_args.h> |
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#endif |
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|
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#if __cplusplus >= 201103L |
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namespace std _GLIBCXX_VISIBILITY(default) |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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|
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/** @defgroup ptr_safety Pointer Safety and Garbage Collection |
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* @ingroup memory |
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* |
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* Utilities to assist with garbage collection in an implementation |
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* that supports <em>strict pointer safety</em>. |
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* This implementation only supports <em>relaxed pointer safety</em> |
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* and so these functions have no effect. |
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* |
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* C++11 20.6.4 [util.dynamic.safety], Pointer safety |
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* |
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* @{ |
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*/ |
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|
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/// Constants representing the different types of pointer safety. |
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enum class pointer_safety { relaxed, preferred, strict }; |
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|
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/// Inform a garbage collector that an object is still in use. |
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inline void |
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declare_reachable(void*) { } |
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|
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/// Unregister an object previously registered with declare_reachable. |
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template <typename _Tp> |
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inline _Tp* |
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undeclare_reachable(_Tp* __p) { return __p; } |
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|
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/// Inform a garbage collector that a region of memory need not be traced. |
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inline void |
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declare_no_pointers(char*, size_t) { } |
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|
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/// Unregister a range previously registered with declare_no_pointers. |
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inline void |
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undeclare_no_pointers(char*, size_t) { } |
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|
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/// The type of pointer safety supported by the implementation. |
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inline pointer_safety |
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get_pointer_safety() noexcept { return pointer_safety::relaxed; } |
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/// @} |
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|
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace |
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#endif // C++11 |
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|
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#if __cplusplus >= 201703L |
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// Parallel STL algorithms |
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# if _PSTL_EXECUTION_POLICIES_DEFINED |
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// If <execution> has already been included, pull in implementations |
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# include <pstl/glue_memory_impl.h> |
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# else |
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// Otherwise just pull in forward declarations |
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# include <pstl/glue_memory_defs.h> |
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# endif |
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|
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// Feature test macro for parallel algorithms |
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# define __cpp_lib_parallel_algorithm 201603L |
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#endif // C++17 |
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|
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#endif /* _GLIBCXX_MEMORY */ |
