1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP_MEMORY_RESOURCE
11#define _LIBCPP_MEMORY_RESOURCE
12
13/**
14 memory_resource synopsis
15
16// C++17
17
18namespace std::pmr {
19
20 class memory_resource;
21
22 bool operator==(const memory_resource& a,
23 const memory_resource& b) noexcept;
24 bool operator!=(const memory_resource& a,
25 const memory_resource& b) noexcept; // removed in C++20
26
27 template <class Tp> class polymorphic_allocator;
28
29 template <class T1, class T2>
30 bool operator==(const polymorphic_allocator<T1>& a,
31 const polymorphic_allocator<T2>& b) noexcept;
32 template <class T1, class T2>
33 bool operator!=(const polymorphic_allocator<T1>& a,
34 const polymorphic_allocator<T2>& b) noexcept; // removed in C++20
35
36 // Global memory resources
37 memory_resource* set_default_resource(memory_resource* r) noexcept;
38 memory_resource* get_default_resource() noexcept;
39 memory_resource* new_delete_resource() noexcept;
40 memory_resource* null_memory_resource() noexcept;
41
42 // Pool resource classes
43 struct pool_options;
44 class synchronized_pool_resource;
45 class unsynchronized_pool_resource;
46 class monotonic_buffer_resource;
47
48} // namespace std::pmr
49
50 */
51
52#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
53# include <__cxx03/__config>
54#else
55# include <__config>
56
57# if _LIBCPP_STD_VER >= 17
58# include <__memory_resource/memory_resource.h>
59# include <__memory_resource/monotonic_buffer_resource.h>
60# include <__memory_resource/polymorphic_allocator.h>
61# include <__memory_resource/pool_options.h>
62# include <__memory_resource/synchronized_pool_resource.h>
63# include <__memory_resource/unsynchronized_pool_resource.h>
64# endif
65
66# include <version>
67
68# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
69# pragma GCC system_header
70# endif
71
72# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER >= 17 && _LIBCPP_STD_VER <= 20
73# include <mutex>
74# endif
75
76# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
77# include <stdexcept>
78# endif
79#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
80
81#endif /* _LIBCPP_MEMORY_RESOURCE */
82