text: #include "driver_table.h"
  #include "redis.h"
  
  void driver_table_subscribe(DBHandle *db_handle,
                              driver_table_subscribe_callback subscribe_callback,
                              void *subscribe_context,
                              RetryInfo *retry) {
    DriverTableSubscribeData *sub_data =
        (DriverTableSubscribeData *) malloc(sizeof(DriverTableSubscribeData));
    sub_data->subscribe_callback = subscribe_callback;
    sub_data->subscribe_context = subscribe_context;
    init_table_callback(db_handle, NIL_ID, __func__,
                        new CommonCallbackData(sub_data), retry, NULL,
                        redis_driver_table_subscribe, NULL);
  }
  
  void driver_table_send_driver_death(DBHandle *db_handle,
                                      WorkerID driver_id,
                                      RetryInfo *retry) {
    init_table_callback(db_handle, driver_id, __func__,
                        new CommonCallbackData(NULL), retry, NULL,
                        redis_driver_table_send_driver_death, NULL);
  }
  