homework-jianmu/source/server/vnode/meta/inc/metaUid.h

46 lines
1.3 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_META_UID_H_
#define _TD_META_UID_H_
#include "os.h"
#ifdef __cplusplus
extern "C" {
#endif
/* ------------------------ APIS EXPOSED ------------------------ */
typedef uint64_t tb_uid_t;
typedef struct STableUidGenerator STableUidGenerator;
// tb_uid_t
#define IVLD_TB_UID 0
tb_uid_t generateUid(STableUidGenerator *);
// STableUidGenerator
void tableUidGeneratorInit(STableUidGenerator *, tb_uid_t suid);
#define tableUidGeneratorClear(ug)
/* ------------------------ FOR TEST AND COMPILE ONLY ------------------------ */
struct STableUidGenerator {
tb_uid_t nextUid;
};
#ifdef __cplusplus
}
#endif
#endif /*_TD_META_UID_H_*/