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smart_holder_poc.h: type-erase raw_ptr before passing to shared_ptr::reset, to not trigger populating the shared_from_this weak_ptr. This way the only way the weak_ptr is populated is through loaded_as_shared_ptr. Breaks all but one test in test_class_sh_trampoline_shared_from_this.py, now marked skip WIP to test everything else with the GitHub CI.

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Ralf W. Grosse-Kunstleve
2021-06-22 17:49:52 -07:00
committed by Ralf W. Grosse-Kunstleve
parent b1d9f0d28f
commit 3dd89f14df
2 changed files with 12 additions and 5 deletions
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11
include/pybind11/detail/smart_holder_poc.h
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@@ -240,8 +240,7 @@ to_cout("LOOOK smart_holder reset_vptr_deleter_armed_flag " + std::to_string(__L
vptr_del_fptr->armed_flag = armed_flag;
}
template <typename T>
static smart_holder from_raw_ptr_unowned(T *raw_ptr) {
static smart_holder from_raw_ptr_unowned(void *raw_ptr) {
to_cout("LOOOK smart_holder from_raw_ptr_unowned " + std::to_string(__LINE__) + " " + __FILE__);
smart_holder hld;
hld.vptr.reset(raw_ptr, [](void *) {});
@@ -278,7 +277,7 @@ to_cout("");
to_cout("LOOOK smart_holder from_raw_ptr_take_ownership " + std::to_string(__LINE__) + " " + __FILE__);
ensure_pointee_is_destructible<T>("from_raw_ptr_take_ownership");
smart_holder hld;
hld.vptr.reset(raw_ptr, make_guarded_builtin_delete<T>(true));
hld.vptr.reset(static_cast<void *>(raw_ptr), make_guarded_builtin_delete<T>(true));
hld.vptr_is_using_builtin_delete = true;
hld.is_populated = true;
return hld;
@@ -328,9 +327,11 @@ to_cout("LOOOK smart_holder from_unique_ptr " + std::to_string(__LINE__) + " " +
hld.rtti_uqp_del = &typeid(D);
hld.vptr_is_using_builtin_delete = is_std_default_delete<T>(*hld.rtti_uqp_del);
if (hld.vptr_is_using_builtin_delete) {
hld.vptr.reset(unq_ptr.get(), make_guarded_builtin_delete<T>(true));
hld.vptr.reset(static_cast<void *>(unq_ptr.get()),
make_guarded_builtin_delete<T>(true));
} else {
hld.vptr.reset(unq_ptr.get(), make_guarded_custom_deleter<T, D>(true));
hld.vptr.reset(static_cast<void *>(unq_ptr.get()),
make_guarded_custom_deleter<T, D>(true));
}
unq_ptr.release();
hld.is_populated = true;