fix teardown

src/emulator.cpp

@@ -160,24 +160,14 @@ static void LoadElf(const std::filesystem::path& elf, bool dbg_print_reloc = fal
 }
 
 static void Execute() {
-	int thread_model = 1;
+	Common::Thread guest_thread(
-
-	if (thread_model == 0) {
-		Common::Thread t([](void* /*unused*/) { Libs::Graphics::WindowRun(); }, nullptr);
-		t.Detach();
-		auto* rt = Common::Singleton<Loader::RuntimeLinker>::Instance();
-		rt->Execute();
-	} else {
-		Common::Thread t(
 	    [](void* /*unused*/) {
 		    auto* rt = Common::Singleton<Loader::RuntimeLinker>::Instance();
 		    rt->Execute();
 	    },
 	    nullptr);
-		t.Detach();
 	Libs::Graphics::WindowRun();
-		t.Join();
+	std::quick_exit(0);
-	}
 }
 
 void Run(const RunOptions& options) {