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Fix leak in the bookkeeping of GDScript lambdas

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This commit is contained in:
Pedro J. Estébanez
2023-11-21 12:52:55 +01:00
parent ac29e8e3fe
commit 1ed6919148
3 changed files with 14 additions and 12 deletions
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18
modules/gdscript/gdscript.cpp
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@@ -1394,7 +1394,7 @@ String GDScript::debug_get_script_name(const Ref<Script> &p_script) {
thread_local GDScript::UpdatableFuncPtr GDScript::func_ptrs_to_update_thread_local;
GDScript::UpdatableFuncPtr *GDScript::func_ptrs_to_update_main_thread = &func_ptrs_to_update_thread_local;
GDScript::UpdatableFuncPtrElement *GDScript::_add_func_ptr_to_update(GDScriptFunction **p_func_ptr_ptr) {
List<GDScript::UpdatableFuncPtrElement>::Element *GDScript::_add_func_ptr_to_update(GDScriptFunction **p_func_ptr_ptr) {
MutexLock lock(func_ptrs_to_update_mutex);
List<UpdatableFuncPtrElement>::Element *result = func_ptrs_to_update_elems.push_back(UpdatableFuncPtrElement());
@@ -1405,7 +1405,7 @@ GDScript::UpdatableFuncPtrElement *GDScript::_add_func_ptr_to_update(GDScriptFun
result->get().mutex = &func_ptrs_to_update_thread_local.mutex;
if (likely(func_ptrs_to_update_thread_local.initialized)) {
return &result->get();
return result;
}
func_ptrs_to_update_thread_local.initialized = true;
@@ -1413,18 +1413,20 @@ GDScript::UpdatableFuncPtrElement *GDScript::_add_func_ptr_to_update(GDScriptFun
func_ptrs_to_update.push_back(&func_ptrs_to_update_thread_local);
return &result->get();
return result;
}
void GDScript::_remove_func_ptr_to_update(const UpdatableFuncPtrElement *p_func_ptr_element) {
void GDScript::_remove_func_ptr_to_update(List<UpdatableFuncPtrElement>::Element *p_func_ptr_element) {
// None of these checks should ever fail, unless there's a bug.
// They can be removed once we are sure they never catch anything.
// Left here now due to extra safety needs late in the release cycle.
ERR_FAIL_NULL(p_func_ptr_element);
MutexLock lock(*p_func_ptr_element->mutex);
ERR_FAIL_NULL(p_func_ptr_element->element);
ERR_FAIL_NULL(p_func_ptr_element->mutex);
p_func_ptr_element->element->erase();
MutexLock lock(func_ptrs_to_update_thread_local.mutex);
ERR_FAIL_NULL(p_func_ptr_element->get().element);
ERR_FAIL_NULL(p_func_ptr_element->get().mutex);
MutexLock lock2(*p_func_ptr_element->get().mutex);
p_func_ptr_element->get().element->erase();
p_func_ptr_element->erase();
}
void GDScript::_fixup_thread_function_bookkeeping() {