diff options
author | Andrey Khalyavin <halyavin@gmail.com> | 2022-02-10 16:46:30 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:30 +0300 |
commit | 4b839d0704ee9be1dabb0310a1f03af24963637b (patch) | |
tree | 1a2c5ffcf89eb53ecd79dbc9bc0a195c27404d0c /contrib/libs/cxxsupp/libcxx/include/new | |
parent | f773626848a7c7456803654292e716b83d69cc12 (diff) | |
download | ydb-4b839d0704ee9be1dabb0310a1f03af24963637b.tar.gz |
Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/new')
-rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/new | 480 |
1 files changed, 240 insertions, 240 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/new b/contrib/libs/cxxsupp/libcxx/include/new index cd97b31f69..2d1417a975 100644 --- a/contrib/libs/cxxsupp/libcxx/include/new +++ b/contrib/libs/cxxsupp/libcxx/include/new @@ -1,233 +1,233 @@ -// -*- C++ -*- -//===----------------------------- new ------------------------------------===// -// +// -*- C++ -*- +//===----------------------------- new ------------------------------------===// +// // 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_NEW -#define _LIBCPP_NEW - -/* - new synopsis - -namespace std -{ - -class bad_alloc - : public exception -{ -public: - bad_alloc() noexcept; - bad_alloc(const bad_alloc&) noexcept; - bad_alloc& operator=(const bad_alloc&) noexcept; - virtual const char* what() const noexcept; -}; - -class bad_array_new_length : public bad_alloc // C++14 -{ -public: - bad_array_new_length() noexcept; -}; - -enum class align_val_t : size_t {}; // C++17 - -struct destroying_delete_t { // C++20 - explicit destroying_delete_t() = default; -}; -inline constexpr destroying_delete_t destroying_delete{}; // C++20 - -struct nothrow_t { explicit nothrow_t() = default; }; -extern const nothrow_t nothrow; -typedef void (*new_handler)(); -new_handler set_new_handler(new_handler new_p) noexcept; -new_handler get_new_handler() noexcept; - -// 21.6.4, pointer optimization barrier -template <class T> constexpr T* launder(T* p) noexcept; // C++17 -} // std - -void* operator new(std::size_t size); // replaceable, nodiscard in C++20 -void* operator new(std::size_t size, std::align_val_t alignment); // replaceable, C++17, nodiscard in C++20 -void* operator new(std::size_t size, const std::nothrow_t&) noexcept; // replaceable, nodiscard in C++20 -void* operator new(std::size_t size, std::align_val_t alignment, - const std::nothrow_t&) noexcept; // replaceable, C++17, nodiscard in C++20 -void operator delete(void* ptr) noexcept; // replaceable -void operator delete(void* ptr, std::size_t size) noexcept; // replaceable, C++14 -void operator delete(void* ptr, std::align_val_t alignment) noexcept; // replaceable, C++17 -void operator delete(void* ptr, std::size_t size, - std::align_val_t alignment) noexcept; // replaceable, C++17 -void operator delete(void* ptr, const std::nothrow_t&) noexcept; // replaceable -void operator delete(void* ptr, std:align_val_t alignment, - const std::nothrow_t&) noexcept; // replaceable, C++17 - -void* operator new[](std::size_t size); // replaceable, nodiscard in C++20 -void* operator new[](std::size_t size, - std::align_val_t alignment) noexcept; // replaceable, C++17, nodiscard in C++20 -void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable, nodiscard in C++20 -void* operator new[](std::size_t size, std::align_val_t alignment, - const std::nothrow_t&) noexcept; // replaceable, C++17, nodiscard in C++20 -void operator delete[](void* ptr) noexcept; // replaceable -void operator delete[](void* ptr, std::size_t size) noexcept; // replaceable, C++14 -void operator delete[](void* ptr, - std::align_val_t alignment) noexcept; // replaceable, C++17 -void operator delete[](void* ptr, std::size_t size, - std::align_val_t alignment) noexcept; // replaceable, C++17 -void operator delete[](void* ptr, const std::nothrow_t&) noexcept; // replaceable -void operator delete[](void* ptr, std::align_val_t alignment, - const std::nothrow_t&) noexcept; // replaceable, C++17 - -void* operator new (std::size_t size, void* ptr) noexcept; // nodiscard in C++20 -void* operator new[](std::size_t size, void* ptr) noexcept; // nodiscard in C++20 -void operator delete (void* ptr, void*) noexcept; -void operator delete[](void* ptr, void*) noexcept; - -*/ - -#include <__availability> -#include <__config> +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_NEW +#define _LIBCPP_NEW + +/* + new synopsis + +namespace std +{ + +class bad_alloc + : public exception +{ +public: + bad_alloc() noexcept; + bad_alloc(const bad_alloc&) noexcept; + bad_alloc& operator=(const bad_alloc&) noexcept; + virtual const char* what() const noexcept; +}; + +class bad_array_new_length : public bad_alloc // C++14 +{ +public: + bad_array_new_length() noexcept; +}; + +enum class align_val_t : size_t {}; // C++17 + +struct destroying_delete_t { // C++20 + explicit destroying_delete_t() = default; +}; +inline constexpr destroying_delete_t destroying_delete{}; // C++20 + +struct nothrow_t { explicit nothrow_t() = default; }; +extern const nothrow_t nothrow; +typedef void (*new_handler)(); +new_handler set_new_handler(new_handler new_p) noexcept; +new_handler get_new_handler() noexcept; + +// 21.6.4, pointer optimization barrier +template <class T> constexpr T* launder(T* p) noexcept; // C++17 +} // std + +void* operator new(std::size_t size); // replaceable, nodiscard in C++20 +void* operator new(std::size_t size, std::align_val_t alignment); // replaceable, C++17, nodiscard in C++20 +void* operator new(std::size_t size, const std::nothrow_t&) noexcept; // replaceable, nodiscard in C++20 +void* operator new(std::size_t size, std::align_val_t alignment, + const std::nothrow_t&) noexcept; // replaceable, C++17, nodiscard in C++20 +void operator delete(void* ptr) noexcept; // replaceable +void operator delete(void* ptr, std::size_t size) noexcept; // replaceable, C++14 +void operator delete(void* ptr, std::align_val_t alignment) noexcept; // replaceable, C++17 +void operator delete(void* ptr, std::size_t size, + std::align_val_t alignment) noexcept; // replaceable, C++17 +void operator delete(void* ptr, const std::nothrow_t&) noexcept; // replaceable +void operator delete(void* ptr, std:align_val_t alignment, + const std::nothrow_t&) noexcept; // replaceable, C++17 + +void* operator new[](std::size_t size); // replaceable, nodiscard in C++20 +void* operator new[](std::size_t size, + std::align_val_t alignment) noexcept; // replaceable, C++17, nodiscard in C++20 +void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable, nodiscard in C++20 +void* operator new[](std::size_t size, std::align_val_t alignment, + const std::nothrow_t&) noexcept; // replaceable, C++17, nodiscard in C++20 +void operator delete[](void* ptr) noexcept; // replaceable +void operator delete[](void* ptr, std::size_t size) noexcept; // replaceable, C++14 +void operator delete[](void* ptr, + std::align_val_t alignment) noexcept; // replaceable, C++17 +void operator delete[](void* ptr, std::size_t size, + std::align_val_t alignment) noexcept; // replaceable, C++17 +void operator delete[](void* ptr, const std::nothrow_t&) noexcept; // replaceable +void operator delete[](void* ptr, std::align_val_t alignment, + const std::nothrow_t&) noexcept; // replaceable, C++17 + +void* operator new (std::size_t size, void* ptr) noexcept; // nodiscard in C++20 +void* operator new[](std::size_t size, void* ptr) noexcept; // nodiscard in C++20 +void operator delete (void* ptr, void*) noexcept; +void operator delete[](void* ptr, void*) noexcept; + +*/ + +#include <__availability> +#include <__config> #include <cstddef> #include <cstdlib> -#include <exception> -#include <type_traits> +#include <exception> +#include <type_traits> #include <version> - -#if defined(_LIBCPP_ABI_VCRUNTIME) + +#if defined(_LIBCPP_ABI_VCRUNTIME) #include <new.h> -#endif - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - +#endif + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + #if !defined(__cpp_sized_deallocation) || __cpp_sized_deallocation < 201309L #define _LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION -#endif - +#endif + #if !defined(_LIBCPP_BUILDING_LIBRARY) && _LIBCPP_STD_VER < 14 && \ defined(_LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION) # define _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION -#endif - +#endif + #if defined(_LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION) || \ defined(_LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION) # define _LIBCPP_HAS_NO_SIZED_DEALLOCATION #endif - -namespace std // purposefully not using versioning namespace -{ - -#if !defined(_LIBCPP_ABI_VCRUNTIME) -struct _LIBCPP_TYPE_VIS nothrow_t { explicit nothrow_t() = default; }; -extern _LIBCPP_FUNC_VIS const nothrow_t nothrow; - -class _LIBCPP_EXCEPTION_ABI bad_alloc - : public exception -{ -public: - bad_alloc() _NOEXCEPT; - virtual ~bad_alloc() _NOEXCEPT; - virtual const char* what() const _NOEXCEPT; -}; - -class _LIBCPP_EXCEPTION_ABI bad_array_new_length - : public bad_alloc -{ -public: - bad_array_new_length() _NOEXCEPT; - virtual ~bad_array_new_length() _NOEXCEPT; - virtual const char* what() const _NOEXCEPT; -}; - -typedef void (*new_handler)(); -_LIBCPP_FUNC_VIS new_handler set_new_handler(new_handler) _NOEXCEPT; -_LIBCPP_FUNC_VIS new_handler get_new_handler() _NOEXCEPT; - -#endif // !_LIBCPP_ABI_VCRUNTIME - -_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void __throw_bad_alloc(); // not in C++ spec - + +namespace std // purposefully not using versioning namespace +{ + +#if !defined(_LIBCPP_ABI_VCRUNTIME) +struct _LIBCPP_TYPE_VIS nothrow_t { explicit nothrow_t() = default; }; +extern _LIBCPP_FUNC_VIS const nothrow_t nothrow; + +class _LIBCPP_EXCEPTION_ABI bad_alloc + : public exception +{ +public: + bad_alloc() _NOEXCEPT; + virtual ~bad_alloc() _NOEXCEPT; + virtual const char* what() const _NOEXCEPT; +}; + +class _LIBCPP_EXCEPTION_ABI bad_array_new_length + : public bad_alloc +{ +public: + bad_array_new_length() _NOEXCEPT; + virtual ~bad_array_new_length() _NOEXCEPT; + virtual const char* what() const _NOEXCEPT; +}; + +typedef void (*new_handler)(); +_LIBCPP_FUNC_VIS new_handler set_new_handler(new_handler) _NOEXCEPT; +_LIBCPP_FUNC_VIS new_handler get_new_handler() _NOEXCEPT; + +#endif // !_LIBCPP_ABI_VCRUNTIME + +_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void __throw_bad_alloc(); // not in C++ spec + #if !defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) && \ - !defined(_LIBCPP_ABI_VCRUNTIME) -#ifndef _LIBCPP_CXX03_LANG -enum class _LIBCPP_ENUM_VIS align_val_t : size_t { }; -#else -enum align_val_t { __zero = 0, __max = (size_t)-1 }; -#endif -#endif - -#if _LIBCPP_STD_VER > 17 -// Enable the declaration even if the compiler doesn't support the language -// feature. -struct destroying_delete_t { - explicit destroying_delete_t() = default; -}; -inline constexpr destroying_delete_t destroying_delete{}; -#endif // _LIBCPP_STD_VER > 17 - -} // std - -#if defined(_LIBCPP_CXX03_LANG) -#define _THROW_BAD_ALLOC throw(std::bad_alloc) -#else -#define _THROW_BAD_ALLOC -#endif - -#if !defined(_LIBCPP_ABI_VCRUNTIME) - -_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz) _THROW_BAD_ALLOC; -_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS; + !defined(_LIBCPP_ABI_VCRUNTIME) +#ifndef _LIBCPP_CXX03_LANG +enum class _LIBCPP_ENUM_VIS align_val_t : size_t { }; +#else +enum align_val_t { __zero = 0, __max = (size_t)-1 }; +#endif +#endif + +#if _LIBCPP_STD_VER > 17 +// Enable the declaration even if the compiler doesn't support the language +// feature. +struct destroying_delete_t { + explicit destroying_delete_t() = default; +}; +inline constexpr destroying_delete_t destroying_delete{}; +#endif // _LIBCPP_STD_VER > 17 + +} // std + +#if defined(_LIBCPP_CXX03_LANG) +#define _THROW_BAD_ALLOC throw(std::bad_alloc) +#else +#define _THROW_BAD_ALLOC +#endif + +#if !defined(_LIBCPP_ABI_VCRUNTIME) + +_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz) _THROW_BAD_ALLOC; +_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS; _LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p) _NOEXCEPT; _LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT; #ifndef _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION -_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void operator delete(void* __p, std::size_t __sz) _NOEXCEPT; -#endif - -_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz) _THROW_BAD_ALLOC; -_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS; +_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void operator delete(void* __p, std::size_t __sz) _NOEXCEPT; +#endif + +_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz) _THROW_BAD_ALLOC; +_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS; _LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p) _NOEXCEPT; _LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT; #ifndef _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION -_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void operator delete[](void* __p, std::size_t __sz) _NOEXCEPT; -#endif - +_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void operator delete[](void* __p, std::size_t __sz) _NOEXCEPT; +#endif + #ifndef _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION -_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz, std::align_val_t) _THROW_BAD_ALLOC; -_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz, std::align_val_t, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS; +_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz, std::align_val_t) _THROW_BAD_ALLOC; +_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new(std::size_t __sz, std::align_val_t, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS; _LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p, std::align_val_t) _NOEXCEPT; _LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete(void* __p, std::align_val_t, const std::nothrow_t&) _NOEXCEPT; #ifndef _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION -_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void operator delete(void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT; -#endif - -_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, std::align_val_t) _THROW_BAD_ALLOC; -_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, std::align_val_t, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS; +_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void operator delete(void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT; +#endif + +_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, std::align_val_t) _THROW_BAD_ALLOC; +_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_OVERRIDABLE_FUNC_VIS void* operator new[](std::size_t __sz, std::align_val_t, const std::nothrow_t&) _NOEXCEPT _LIBCPP_NOALIAS; _LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p, std::align_val_t) _NOEXCEPT; _LIBCPP_OVERRIDABLE_FUNC_VIS void operator delete[](void* __p, std::align_val_t, const std::nothrow_t&) _NOEXCEPT; #ifndef _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION -_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void operator delete[](void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT; -#endif -#endif - -_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_INLINE_VISIBILITY void* operator new (std::size_t, void* __p) _NOEXCEPT {return __p;} -_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_INLINE_VISIBILITY void* operator new[](std::size_t, void* __p) _NOEXCEPT {return __p;} -inline _LIBCPP_INLINE_VISIBILITY void operator delete (void*, void*) _NOEXCEPT {} -inline _LIBCPP_INLINE_VISIBILITY void operator delete[](void*, void*) _NOEXCEPT {} - -#endif // !_LIBCPP_ABI_VCRUNTIME - -_LIBCPP_BEGIN_NAMESPACE_STD - -_LIBCPP_CONSTEXPR inline _LIBCPP_INLINE_VISIBILITY bool __is_overaligned_for_new(size_t __align) _NOEXCEPT { -#ifdef __STDCPP_DEFAULT_NEW_ALIGNMENT__ - return __align > __STDCPP_DEFAULT_NEW_ALIGNMENT__; -#else - return __align > alignment_of<max_align_t>::value; -#endif -} - +_LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE void operator delete[](void* __p, std::size_t __sz, std::align_val_t) _NOEXCEPT; +#endif +#endif + +_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_INLINE_VISIBILITY void* operator new (std::size_t, void* __p) _NOEXCEPT {return __p;} +_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_INLINE_VISIBILITY void* operator new[](std::size_t, void* __p) _NOEXCEPT {return __p;} +inline _LIBCPP_INLINE_VISIBILITY void operator delete (void*, void*) _NOEXCEPT {} +inline _LIBCPP_INLINE_VISIBILITY void operator delete[](void*, void*) _NOEXCEPT {} + +#endif // !_LIBCPP_ABI_VCRUNTIME + +_LIBCPP_BEGIN_NAMESPACE_STD + +_LIBCPP_CONSTEXPR inline _LIBCPP_INLINE_VISIBILITY bool __is_overaligned_for_new(size_t __align) _NOEXCEPT { +#ifdef __STDCPP_DEFAULT_NEW_ALIGNMENT__ + return __align > __STDCPP_DEFAULT_NEW_ALIGNMENT__; +#else + return __align > alignment_of<max_align_t>::value; +#endif +} + template <class ..._Args> _LIBCPP_INLINE_VISIBILITY void* __libcpp_operator_new(_Args ...__args) { @@ -250,12 +250,12 @@ void __libcpp_operator_delete(_Args ...__args) { inline _LIBCPP_INLINE_VISIBILITY void *__libcpp_allocate(size_t __size, size_t __align) { -#ifndef _LIBCPP_HAS_NO_ALIGNED_ALLOCATION - if (__is_overaligned_for_new(__align)) { - const align_val_t __align_val = static_cast<align_val_t>(__align); +#ifndef _LIBCPP_HAS_NO_ALIGNED_ALLOCATION + if (__is_overaligned_for_new(__align)) { + const align_val_t __align_val = static_cast<align_val_t>(__align); return __libcpp_operator_new(__size, __align_val); - } -#endif + } +#endif (void)__align; return __libcpp_operator_new(__size); @@ -267,11 +267,11 @@ void __do_deallocate_handle_size(void *__ptr, size_t __size, _Args ...__args) { #ifdef _LIBCPP_HAS_NO_SIZED_DEALLOCATION (void)__size; return __libcpp_operator_delete(__ptr, __args...); -#else +#else return __libcpp_operator_delete(__ptr, __size, __args...); -#endif -} - +#endif +} + inline _LIBCPP_INLINE_VISIBILITY void __libcpp_deallocate(void* __ptr, size_t __size, size_t __align) { #if defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) @@ -291,14 +291,14 @@ inline _LIBCPP_INLINE_VISIBILITY void __libcpp_deallocate_unsized(void* __ptr, s #if defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) (void)__align; return __libcpp_operator_delete(__ptr); -#else +#else if (__is_overaligned_for_new(__align)) { const align_val_t __align_val = static_cast<align_val_t>(__align); return __libcpp_operator_delete(__ptr, __align_val); } else { return __libcpp_operator_delete(__ptr); } -#endif +#endif } #if !defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) @@ -312,43 +312,43 @@ inline _LIBCPP_INLINE_VISIBILITY void* __libcpp_aligned_alloc(std::size_t __alignment, std::size_t __size) { #if defined(_LIBCPP_MSVCRT_LIKE) return ::_aligned_malloc(__size, __alignment); -#else +#else void* __result = nullptr; - (void)::posix_memalign(&__result, __alignment, __size); + (void)::posix_memalign(&__result, __alignment, __size); // If posix_memalign fails, __result is unmodified so we still return `nullptr`. return __result; -#endif +#endif } - + inline _LIBCPP_INLINE_VISIBILITY void __libcpp_aligned_free(void* __ptr) { #if defined(_LIBCPP_MSVCRT_LIKE) ::_aligned_free(__ptr); #else ::free(__ptr); -#endif -} +#endif +} #endif // !_LIBCPP_HAS_NO_ALIGNED_ALLOCATION - - -template <class _Tp> -_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_HIDE_FROM_ABI -_LIBCPP_CONSTEXPR _Tp* __launder(_Tp* __p) _NOEXCEPT -{ - static_assert (!(is_function<_Tp>::value), "can't launder functions" ); - static_assert (!(is_same<void, typename remove_cv<_Tp>::type>::value), "can't launder cv-void" ); - return __builtin_launder(__p); -} - -#if _LIBCPP_STD_VER > 14 -template <class _Tp> -_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_HIDE_FROM_ABI -constexpr _Tp* launder(_Tp* __p) noexcept -{ - return _VSTD::__launder(__p); -} -#endif - -_LIBCPP_END_NAMESPACE_STD - -#endif // _LIBCPP_NEW + + +template <class _Tp> +_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_HIDE_FROM_ABI +_LIBCPP_CONSTEXPR _Tp* __launder(_Tp* __p) _NOEXCEPT +{ + static_assert (!(is_function<_Tp>::value), "can't launder functions" ); + static_assert (!(is_same<void, typename remove_cv<_Tp>::type>::value), "can't launder cv-void" ); + return __builtin_launder(__p); +} + +#if _LIBCPP_STD_VER > 14 +template <class _Tp> +_LIBCPP_NODISCARD_AFTER_CXX17 inline _LIBCPP_HIDE_FROM_ABI +constexpr _Tp* launder(_Tp* __p) noexcept +{ + return _VSTD::__launder(__p); +} +#endif + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_NEW |