This header is part of thedynamic memory management library, in particular provideslow level memory management features.
Classes | ||
| exception thrown when memory allocation fails (class)[edit] | ||
(C++11) | exception thrown on allocation of array with invalid length (class)[edit] | |
(C++17) | type used to pass alignment to alignment-aware allocation and deallocation functions (enum)[edit] | |
Types | ||
| function pointer type of the new handler (typedef)[edit] | ||
Tags | ||
| a tag used to select a non-throwingallocation function (tag)[edit] | ||
| a tag used to select destroying-delete overloads ofoperator delete (tag)[edit] | ||
Constants | ||
| min offset to avoid false sharing max offset to promote true sharing (constant)[edit] | ||
Functions | ||
| allocation functions (function)[edit] | ||
| deallocation functions (function)[edit] | ||
(C++11) | obtains the current new handler (function)[edit] | |
| registers a new handler (function)[edit] | ||
(C++17) | pointer optimization barrier (function template)[edit] | |
// all freestandingnamespace std{// storage allocation errorsclass bad_alloc;class bad_array_new_length; struct destroying_delete_t{explicit destroying_delete_t()=default;};inlineconstexpr destroying_delete_t destroying_delete{}; // global operator new controlenumclass align_val_t: size_t{}; struct nothrow_t{explicit nothrow_t()=default;};externconst nothrow_t nothrow; using new_handler=void(*)(); new_handler get_new_handler()noexcept; new_handler set_new_handler(new_handler new_p)noexcept; // pointer optimization barriertemplate<class T>constexpr T* launder(T* p)noexcept; // hardware interference sizeinlineconstexpr size_t hardware_destructive_interference_size=/* implementation-defined */;inlineconstexpr size_t hardware_constructive_interference_size=/* implementation-defined */;} // storage allocation and deallocationvoid*operator new(std::size_t size);void*operator new(std::size_t size,std::align_val_t alignment);void*operator new(std::size_t size,conststd::nothrow_t&)noexcept;void*operator new(std::size_t size,std::align_val_t alignment,conststd::nothrow_t&)noexcept; voidoperator delete(void* ptr)noexcept;voidoperator delete(void* ptr,std::size_t size)noexcept;voidoperator delete(void* ptr,std::align_val_t alignment)noexcept;voidoperator delete(void* ptr,std::size_t size,std::align_val_t alignment)noexcept;voidoperator delete(void* ptr,conststd::nothrow_t&)noexcept;voidoperator delete(void* ptr,std::align_val_t alignment,conststd::nothrow_t&)noexcept; void*operator new[](std::size_t size);void*operator new[](std::size_t size,std::align_val_t alignment);void*operator new[](std::size_t size,conststd::nothrow_t&)noexcept;void*operator new[](std::size_t size,std::align_val_t alignment,conststd::nothrow_t&)noexcept; voidoperator delete[](void* ptr)noexcept;voidoperator delete[](void* ptr,std::size_t size)noexcept;voidoperator delete[](void* ptr,std::align_val_t alignment)noexcept;voidoperator delete[](void* ptr,std::size_t size,std::align_val_t alignment)noexcept;voidoperator delete[](void* ptr,conststd::nothrow_t&)noexcept;voidoperator delete[](void* ptr,std::align_val_t alignment,conststd::nothrow_t&)noexcept; constexprvoid*operator new(std::size_t size,void* ptr)noexcept;constexprvoid*operator new[](std::size_t size,void* ptr)noexcept;voidoperator delete(void* ptr,void*)noexcept;voidoperator delete[](void* ptr,void*)noexcept;
namespace std{class bad_alloc:public exception{public:// see description for the specification of the special member functionsconstexprconstchar* what()constnoexcept override;};}
namespace std{class bad_array_new_length:public bad_alloc{public:// see description for the specification of the special member functionsconstexprconstchar* what()constnoexcept override;};}
