Experimental library header <experimental/memory_resource>
From cppreference.com
< cpp | header | experimental
C++
Feature test macros (C++20)
Concepts library (C++20)
Metaprogramming library (C++11)
Ranges library (C++20)
Filesystem library (C++17)
Concurrency support library (C++11)
Execution control library (C++26)
Standard library headers
<compare> (C++20)
<contracts> (C++26)
<coroutine> (C++20)
<cstdint> (C++11)
<source_location> (C++20)
<stdfloat> (C++23)
<version> (C++20)
<concepts> (C++20)
<debugging> (C++26)
<stacktrace> (C++23)
<system_error> (C++11)
<memory_resource> (C++17)
<scoped_allocator> (C++11)
<type_traits> (C++11)
<ratio> (C++11)
<any> (C++17)
<bit> (C++20)
<charconv> (C++17)
<expected> (C++23)
<format> (C++20)
<optional> (C++17)
<stdbit.h> (C++26)
<tuple> (C++11)
<typeindex> (C++11)
<variant> (C++17)
<array> (C++11)
<flat_map> (C++23)
<flat_set> (C++23)
<forward_list> (C++11)
<hive> (C++26)
<mdspan> (C++23)
<span> (C++20)
<unordered_map> (C++11)
<unordered_set> (C++11)
<generator> (C++23)
<ranges> (C++20)
<cuchar> (C++11)
<string_view> (C++17)
<codecvt> (C++11/17/26*)
<regex> (C++11)
<cfenv> (C++11)
<linalg> (C++26)
<numbers> (C++20)
<random> (C++11)
<simd> (C++26)
<stdckdint.h> (C++26)
<chrono> (C++11)
<ccomplex> (C++11/17/20*)
<ciso646> (until C++20)
<cstdalign> (C++11/17/20*)
<cstdbool> (C++11/17/20*)
<ctgmath> (C++11/17/20*)
<cinttypes> (C++11)
<filesystem> (C++17)
<print> (C++23)
<spanstream> (C++23)
<strstream> (C++98/26*)
<syncstream> (C++20)
<atomic> (C++11)
<barrier> (C++20)
<condition_variable> (C++11)
<future> (C++11)
<hazard_pointer> (C++26)
<latch> (C++20)
<mutex> (C++11)
<rcu> (C++26)
<semaphore> (C++20)
<shared_mutex> (C++14)
<stdatomic.h> (C++23)
<stop_token> (C++20)
<thread> (C++11)
<execution> (C++17)
Experimental library headers
Execution P2300
Filesystem TS
Parallelism TS (v1, v2)
experimental/algorithm
experimental/execution_policy
experimental/exception_list
Library Fundamentals TS (v1, v2, v3)
experimental/algorithm
experimental/array
experimental/chrono
experimental/deque
experimental/forward_list
experimental/future
experimental/iterator
experimental/list
experimental/map
experimental/memory
<experimental/memory_resource>
experimental/numeric
experimental/propagate_const
experimental/random
experimental/ratio
experimental/regex
experimental/scope
experimental/set
experimental/source_location
experimental/string
experimental/system_error
experimental/tuple
experimental/type_traits
experimental/unordered_map
experimental/unordered_set
experimental/utility
experimental/vector
Concurrency TS
experimental/atomic
experimental/barrier
experimental/future
experimental/latch
Ranges TS
Coroutines TS
experimental/coroutine
Networking TS
experimental/buffer
experimental/executor
experimental/internet
experimental/io_context
Reflection TS
This header is part of the Library Fundamentals TS (v1, v2, v3).
Contents
[edit] Classes
Defined in namespace
std::experimental::pmr
a thread-safe memory_resource for managing allocations in pools of different block sizes
(class)
(class)
a thread-unsafe memory_resource for managing allocations in pools of different block sizes
(class)
(class)
a special-purpose memory_resource that releases the allocated memory only when the resource is destroyed
(class)
(class)
an allocator that supports run-time polymorphism based on the memory_resource it is constructed with
(class template)
(class template)
[edit] Functions
Defined in namespace
std::experimental::pmr
Comparison
Global memory resources
returns a static program-wide
(function) [edit]
memory_resource
that uses the global operator new and operator delete to allocate and deallocate memory (function) [edit]
Default memory resource
[edit] Synopsis
namespace std { namespace experimental { inline namespace fundamentals_v1 { namespace pmr { class memory_resource; bool operator==(const memory_resource& a, const memory_resource& b) noexcept; bool operator!=(const memory_resource& a, const memory_resource& b) noexcept; template <class Tp> class polymorphic_allocator; template <class T1, class T2> bool operator==(const polymorphic_allocator<T1>& a, const polymorphic_allocator<T2>& b) noexcept; template <class T1, class T2> bool operator!=(const polymorphic_allocator<T1>& a, const polymorphic_allocator<T2>& b) noexcept; // The name resource_adaptor_imp is for exposition only. template <class Allocator> class resource_adaptor_imp; template <class Allocator> using resource_adaptor = resource_adaptor_imp< typename allocator_traits<Allocator>::template rebind_alloc<char>>; // Global memory resources memory_resource* new_delete_resource() noexcept; memory_resource* null_memory_resource() noexcept; // The default memory resource memory_resource* set_default_resource(memory_resource* r) noexcept; memory_resource* get_default_resource() noexcept; // Standard memory resources struct pool_options; class synchronized_pool_resource; class unsynchronized_pool_resource; class monotonic_buffer_resource; } // namespace pmr } // namespace fundamentals_v1 } // namespace experimental } // namespace std