homework-jianmu/source/libs/tkv/inc/tDiskMgr.h

39 lines
1.1 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_TDISK_MGR_H_
#define _TD_TDISK_MGR_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "os.h"
#include "tkvDef.h"
typedef struct SDiskMgr SDiskMgr;
int tdmOpen(SDiskMgr **ppDiskMgr, const char *fname, uint16_t pgsize);
int tdmClose(SDiskMgr *pDiskMgr);
int tdmReadPage(SDiskMgr *pDiskMgr, pgid_t pgid, void *pData);
int tdmWritePage(SDiskMgr *pDiskMgr, pgid_t pgid, const void *pData);
int32_t tdmAllocPage(SDiskMgr *pDiskMgr);
#ifdef __cplusplus
}
#endif
#endif /*_TD_TDISK_MGR_H_*/