async void rm_rf_async (File directory, Cancellable? cancellable) throws Error {
	if (cancellable.is_cancelled()) return;
	var children = yield directory.enumerate_children_async (FileAttribute.STANDARD_NAME,
	        FileQueryInfoFlags.NOFOLLOW_SYMLINKS,
	        Priority.DEFAULT, cancellable);
	GLib.List<FileInfo> fileinfos;
	while ((fileinfos = yield children.next_files_async (8, Priority.DEFAULT,
	                                                     cancellable)) != null) {
		foreach (var child_finfo in fileinfos) {
			var child = directory.get_child (child_finfo.get_name());
			var ftype = child.query_file_type (FileQueryInfoFlags.NOFOLLOW_SYMLINKS);
			if (ftype == FileType.DIRECTORY) {
				yield rm_rf_async (child, cancellable);
			} else {
				print (@"rm $(child.get_path())\n");
				child.delete (cancellable);
			}
		}
	}
	print (@"rmdir $(directory.get_path())\n");
	directory.delete (cancellable);
}

int main () {
	//string temp_dir = DirUtils.make_tmp ("my-XXXXXX-dir");
	//stdout.printf ("make_tmp (\"my-XXXXXXX-dir\") = %s\n", temp_dir);

	// async example
	var loop = new MainLoop();
	rm_rf_async.begin(File.new_for_path("/tmp/aaa"), null,
	            (obj, res) => {
					try {
	            		rm_rf_async.end(res);
	            		loop.quit();
					} catch (Error e) {
						stderr.printf ("Error: %s\n", e.message);
						//return -1;
					}
	            });
	loop.run();

	return 0;
}