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https://github.com/pybind/pybind11.git
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only use over-aligned new/delete if needed
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parent
5c11b1c871
commit
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@ -3,6 +3,7 @@ image:
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- Visual Studio 2017
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- Visual Studio 2015
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test: off
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skip_branch_with_pr: true
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build:
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parallel: true
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platform:
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@ -574,12 +574,13 @@ public:
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if (type->operator_new) {
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vptr = type->operator_new(type->type_size);
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} else {
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#if !defined(PYBIND11_CPP17)
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vptr = ::operator new(type->type_size);
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#else
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vptr = ::operator new(type->type_size,
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(std::align_val_t) type->type_align);
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#if defined(PYBIND11_CPP17)
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if (type->type_align > __STDCPP_DEFAULT_NEW_ALIGNMENT__)
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vptr = ::operator new(type->type_size,
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(std::align_val_t) type->type_align);
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else
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#endif
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vptr = ::operator new(type->type_size);
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}
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}
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value = vptr;
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@ -988,11 +988,21 @@ template <typename T> struct has_operator_delete_size<T, void_t<decltype(static_
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: std::true_type { };
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/// Call class-specific delete if it exists or global otherwise. Can also be an overload set.
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template <typename T, enable_if_t<has_operator_delete<T>::value, int> = 0>
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void call_operator_delete(T *p, size_t) { T::operator delete(p); }
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void call_operator_delete(T *p, size_t, size_t) { T::operator delete(p); }
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template <typename T, enable_if_t<!has_operator_delete<T>::value && has_operator_delete_size<T>::value, int> = 0>
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void call_operator_delete(T *p, size_t s) { T::operator delete(p, s); }
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void call_operator_delete(T *p, size_t s, size_t) { T::operator delete(p, s); }
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inline void call_operator_delete(void *p, size_t) { ::operator delete(p); }
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inline void call_operator_delete(void *p, size_t s, size_t a) {
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(void)s; (void)a;
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#if defined(PYBIND11_CPP17)
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if (a > __STDCPP_DEFAULT_NEW_ALIGNMENT__)
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::operator delete(p, s, std::align_val_t(a));
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else
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::operator delete(p, s);
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#else
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::operator delete(p);
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#endif
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}
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NAMESPACE_END(detail)
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@ -1331,7 +1341,10 @@ private:
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v_h.set_holder_constructed(false);
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}
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else {
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detail::call_operator_delete(v_h.value_ptr<type>(), v_h.type->type_size);
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detail::call_operator_delete(v_h.value_ptr<type>(),
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v_h.type->type_size,
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v_h.type->type_align
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);
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}
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v_h.value_ptr() = nullptr;
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}
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