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Release Cosmopolitan v3.6.0

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This release is an atomic upgrade to GCC 14.1.0 with C23 and C++23
This commit is contained in:
Justine Tunney 2024-07-23 03:16:17 -07:00
parent 62ace3623a
commit 5660ec4741
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GPG key ID: BE714B4575D6E328
1585 changed files with 117353 additions and 271644 deletions
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81
third_party/libcxx/__memory/allocation_guard.h vendored
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@ -11,6 +11,7 @@
#define _LIBCPP___MEMORY_ALLOCATION_GUARD_H
#include <__config>
#include <__memory/addressof.h>
#include <__memory/allocator_traits.h>
#include <__utility/move.h>
#include <cstddef>
@ -19,6 +20,9 @@
# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_STD
// Helper class to allocate memory using an Allocator in an exception safe
@ -40,44 +44,65 @@ _LIBCPP_BEGIN_NAMESPACE_STD
//
// This is similar to a unique_ptr, except it's easier to use with a
// custom allocator.
template<class _Alloc>
template <class _Alloc>
struct __allocation_guard {
using _Pointer = typename allocator_traits<_Alloc>::pointer;
using _Size = typename allocator_traits<_Alloc>::size_type;
using _Pointer = typename allocator_traits<_Alloc>::pointer;
using _Size = typename allocator_traits<_Alloc>::size_type;
template<class _AllocT> // we perform the allocator conversion inside the constructor
_LIBCPP_HIDE_FROM_ABI
explicit __allocation_guard(_AllocT __alloc, _Size __n)
: __alloc_(_VSTD::move(__alloc))
, __n_(__n)
, __ptr_(allocator_traits<_Alloc>::allocate(__alloc_, __n_)) // initialization order is important
{ }
template <class _AllocT> // we perform the allocator conversion inside the constructor
_LIBCPP_HIDE_FROM_ABI explicit __allocation_guard(_AllocT __alloc, _Size __n)
: __alloc_(std::move(__alloc)),
__n_(__n),
__ptr_(allocator_traits<_Alloc>::allocate(__alloc_, __n_)) // initialization order is important
{}
_LIBCPP_HIDE_FROM_ABI
~__allocation_guard() _NOEXCEPT {
if (__ptr_ != nullptr) {
allocator_traits<_Alloc>::deallocate(__alloc_, __ptr_, __n_);
}
_LIBCPP_HIDE_FROM_ABI ~__allocation_guard() _NOEXCEPT { __destroy(); }
_LIBCPP_HIDE_FROM_ABI __allocation_guard(const __allocation_guard&) = delete;
_LIBCPP_HIDE_FROM_ABI __allocation_guard(__allocation_guard&& __other) _NOEXCEPT
: __alloc_(std::move(__other.__alloc_)),
__n_(__other.__n_),
__ptr_(__other.__ptr_) {
__other.__ptr_ = nullptr;
}
_LIBCPP_HIDE_FROM_ABI __allocation_guard& operator=(const __allocation_guard& __other) = delete;
_LIBCPP_HIDE_FROM_ABI __allocation_guard& operator=(__allocation_guard&& __other) _NOEXCEPT {
if (std::addressof(__other) != this) {
__destroy();
__alloc_ = std::move(__other.__alloc_);
__n_ = __other.__n_;
__ptr_ = __other.__ptr_;
__other.__ptr_ = nullptr;
}
_LIBCPP_HIDE_FROM_ABI
_Pointer __release_ptr() _NOEXCEPT { // not called __release() because it's a keyword in objective-c++
_Pointer __tmp = __ptr_;
__ptr_ = nullptr;
return __tmp;
}
return *this;
}
_LIBCPP_HIDE_FROM_ABI
_Pointer __get() const _NOEXCEPT {
return __ptr_;
}
_LIBCPP_HIDE_FROM_ABI _Pointer
__release_ptr() _NOEXCEPT { // not called __release() because it's a keyword in objective-c++
_Pointer __tmp = __ptr_;
__ptr_ = nullptr;
return __tmp;
}
_LIBCPP_HIDE_FROM_ABI _Pointer __get() const _NOEXCEPT { return __ptr_; }
private:
_Alloc __alloc_;
_Size __n_;
_Pointer __ptr_;
_LIBCPP_HIDE_FROM_ABI void __destroy() _NOEXCEPT {
if (__ptr_ != nullptr) {
allocator_traits<_Alloc>::deallocate(__alloc_, __ptr_, __n_);
}
}
_Alloc __alloc_;
_Size __n_;
_Pointer __ptr_;
};
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif // _LIBCPP___MEMORY_ALLOCATION_GUARD_H