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Fix leaked ObjectRCs on object Variant reassignment

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Bonus:
- Add some (un)likely magic
- Use memdelete() instead of memfree() (not strictly needed, but more correct)
This commit is contained in:
Pedro J. Estébanez 2020-06-28 01:27:03 +02:00
parent 6a9fbafcbb
commit dca653cc3a
2 changed files with 12 additions and 5 deletions
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2
core/object.cpp
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@ -1996,7 +1996,7 @@ Object::~Object() {
ObjectRC *rc = _rc.load(std::memory_order_acquire);
if (rc) {
if (rc->invalidate()) {
memfree(rc);
memdelete(rc);
}
}
#endif

15
core/variant.cpp
View file

@ -1121,9 +1121,9 @@ void Variant::clear() {
case OBJECT: {
#ifdef DEBUG_ENABLED
if (_get_obj().rc) {
if (_get_obj().rc->decrement()) {
memfree(_get_obj().rc);
if (likely(_get_obj().rc)) {
if (unlikely(_get_obj().rc->decrement())) {
memdelete(_get_obj().rc);
}
} else {
_get_obj().ref.unref();
@ -2655,9 +2655,16 @@ void Variant::operator=(const Variant &p_variant) {
} break;
case OBJECT: {
#ifdef DEBUG_ENABLED
if (likely(_get_obj().rc)) {
if (unlikely(_get_obj().rc->decrement())) {
memdelete(_get_obj().rc);
}
}
#endif
*reinterpret_cast<ObjData *>(_data._mem) = p_variant._get_obj();
#ifdef DEBUG_ENABLED
if (_get_obj().rc) {
if (likely(_get_obj().rc)) {
_get_obj().rc->increment();
}
#endif