Method run

src/device/main_linux.cpp:1765–1844

	}

	int run(DeviceOptions *opts)
	{
		int init_ret = -1;
		const char *display = NULL;
		bool disable_wayland = true;

		if (init_ret != 0 && !disable_wayland
			&& (display = getenv("WAYLAND_DISPLAY")) != NULL
			&& strlen32(display) != 0) {
			_system = CE_NEW(*_allocator, SystemWayland)(_queue);

			if ((init_ret = _system->init()) == 0) {
				_wl = (SystemWayland *)_system;
				window_system = WindowSystem::WAYLAND;
			}
		}

		if (init_ret != 0
			&& (display = getenv("DISPLAY")) != NULL
			&& strlen32(display) != 0) {
			_system = CE_NEW(*_allocator, SystemX11)(_queue);

			if ((init_ret = _system->init()) == 0) {
				_x11 = (SystemX11 *)_system;
				window_system = WindowSystem::X11;
			}
		}

		_options = opts;

		int err = pipe(exit_pipe);
		CE_ASSERT(err != -1, "pipe: errno = %d", errno);
		CE_UNUSED(err);

		// Start main thread
		Thread main_thread;
		main_thread.start([](void *user_data) {
				int ec = crown::main_runtime(*((DeviceOptions *)user_data));
				s_exit = true;
				// Write something just to unlock the listening select().
				const ssize_t written = write(exit_pipe[1], &s_exit, sizeof(s_exit));
				CE_UNUSED(written);
				return ec;
			}
			, opts
			);

		_joypad.open();

		// Input events loop.
		fd_set fdset;

		while (!s_exit) {
			FD_ZERO(&fdset);
			FD_SET(exit_pipe[0], &fdset);
			int maxfd = _system->set_fds(&fdset, exit_pipe[0]);
			maxfd = _joypad.set_fds(&fdset, maxfd);