typedef struct{
    char* title;
    char* message;
} AlertViewData;
void displayAlertView(void *paramContext){

}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    dispatch_queue_t mainQueue = dispatch_get_main_queue();
    AlertViewData* context = (AlertViewData*)malloc(sizeof(AlertViewData));
    if(context!=nullptr){
        context->title = "test";
        context->message = "Hello";
        dispatch_async_f(mainQueue, context, displayAlertView);
    }
}