#define QUOTA_RET_NOQUOTA 1 /**< not support quota */
#define QUOTA_RET_NOLIMIT 2 /**< quota limit isn't set */
#define QUOTA_RET_ACQUOTA 4 /**< need to acquire extra quota */
-#define QUOTA_RET_INC_PENDING 8 /**< pending value is increased */
/* security opcodes */
typedef enum {