diff options
| -rw-r--r-- | modules/mono/csharp_script.cpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp index 8a024eef13..3678a82bee 100644 --- a/modules/mono/csharp_script.cpp +++ b/modules/mono/csharp_script.cpp @@ -2134,6 +2134,17 @@ CSharpInstance::~CSharpInstance() { // Transfer ownership to an "instance binding" + Reference *ref_owner = static_cast<Reference *>(owner); + + // We will unreference the owner before referencing it again, so we need to keep it alive + Ref<Reference> scope_keep_owner_alive(ref_owner); + (void)scope_keep_owner_alive; + + // Unreference the owner here, before the new "instance binding" references it. + // Otherwise, the unsafe reference debug checks will incorrectly detect a bug. + bool die = _unreference_owner_unsafe(); + CRASH_COND(die == true); // `owner_keep_alive` holds a reference, so it can't die + void *data = owner->get_script_instance_binding(CSharpLanguage::get_singleton()->get_language_index()); CRASH_COND(data == NULL); @@ -2149,8 +2160,10 @@ CSharpInstance::~CSharpInstance() { } } - bool die = _unreference_owner_unsafe(); - CRASH_COND(die == true); // The "instance binding" should be holding a reference +#ifdef DEBUG_ENABLED + // The "instance binding" holds a reference so the refcount should be at least 2 before `scope_keep_owner_alive` goes out of scope + CRASH_COND(ref_owner->reference_get_count() <= 1); +#endif } if (script.is_valid() && owner) { |