Method ~SDL2System

src/she/sdl2/she.cpp:639–647

    }

    ~SDL2System() {
      shutdown = true;
      sleeping = false;
      if (mainThread.joinable())
	mainThread.join();
      IMG_Quit();
      SDL_Quit();
      g_instance = nullptr;
    }

    bool shutdown{false};
    std::thread mainThread;