Files
openGauss-server/src/include/replication/catchup.h
dengxuyue 1567043064 同步source code
日期: 12-26
    revision: ee5b054c
2020-12-28 22:19:21 +08:00

45 lines
1.3 KiB
C

/*
* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
*
* openGauss is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
* ---------------------------------------------------------------------------------------
*
* catchup.h
* Exports from replication/data/catchup.cpp.
*
*
* IDENTIFICATION
* src/include/replication/catchup.h
*
* ---------------------------------------------------------------------------------------
*/
#ifndef CATCHUP_H
#define CATCHUP_H
#include <signal.h>
typedef enum { CATCHUP_NONE = 0, CATCHUP_STARTING, CATCHUP_SEARCHING, RECEIVED_OK, RECEIVED_NONE } CatchupState;
extern volatile bool catchup_online;
extern volatile bool catchupDone;
extern CatchupState catchupState;
extern bool IsCatchupProcess(void);
extern ThreadId StartCatchup(void);
extern void CatchupShutdownIfNoDataSender(void);
#ifdef EXEC_BACKEND
extern void CatchupMain();
#endif
#endif