Function tp_foreach

sql/handler.cc:885–900

typedef bool (tp_foreach_func)(THD *thd, transaction_participant *tp, void *arg);

static bool tp_foreach(THD *thd, tp_foreach_func *func, void *arg)
{
  int j=0, err= 0;
  plugin_ref locks[MAX_HA];
  for (uint i= 0; i < MAX_HA; i++)
  {
    if (st_plugin_int *pi= hton2plugin[i])
    {
      locks[j]= plugin_lock(NULL, plugin_int_to_ref(pi));
      if ((err= func(thd, plugin_hton(locks[j++]), arg)))
        break;
    }
  }
  plugin_unlock_list(NULL, locks, j);
  return err;
}


static my_bool dropdb_handlerton(THD *, plugin_ref plugin, void *path)