Merge pull request #53059 from timothyqiu/thread-obj

Fix crash when creating thread
This commit is contained in:
Rémi Verschelde 2021-10-02 02:15:43 +02:00 committed by GitHub
commit 90f8eb7aa0
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1 changed files with 12 additions and 4 deletions

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@ -1768,6 +1768,12 @@ void Thread::_start_func(void *ud) {
Ref<Thread> *tud = (Ref<Thread> *)ud;
Ref<Thread> t = *tud;
memdelete(tud);
Object *target_instance = t->target_callable.get_object();
if (!target_instance) {
ERR_FAIL_MSG(vformat("Could not call function '%s' on previously freed instance to start thread %s.", t->target_callable.get_method(), t->get_id()));
}
Callable::CallError ce;
const Variant *arg[1] = { &t->userdata };
int argc = 0;
@ -1786,15 +1792,17 @@ void Thread::_start_func(void *ud) {
// We must check if we are in case b).
int target_param_count = 0;
int target_default_arg_count = 0;
Ref<Script> script = t->target_callable.get_object()->get_script();
Ref<Script> script = target_instance->get_script();
if (script.is_valid()) {
MethodInfo mi = script->get_method_info(t->target_callable.get_method());
target_param_count = mi.arguments.size();
target_default_arg_count = mi.default_arguments.size();
} else {
MethodBind *method = ClassDB::get_method(t->target_callable.get_object()->get_class_name(), t->target_callable.get_method());
target_param_count = method->get_argument_count();
target_default_arg_count = method->get_default_argument_count();
MethodBind *method = ClassDB::get_method(target_instance->get_class_name(), t->target_callable.get_method());
if (method) {
target_param_count = method->get_argument_count();
target_default_arg_count = method->get_default_argument_count();
}
}
if (target_param_count >= 1 && target_default_arg_count < target_param_count) {
argc = 1;