63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
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*
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* openGauss is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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*
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* http://license.coscl.org.cn/MulanPSL2
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*
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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* ---------------------------------------------------------------------------------------
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*
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* datasender.h
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* Exports from replication/datasender.cpp.
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*
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*
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* IDENTIFICATION
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* src/include/replication/datasender.h
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*
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* ---------------------------------------------------------------------------------------
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*/
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#ifndef _DATASENDER_H
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#define _DATASENDER_H
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#include <signal.h>
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#include <string.h>
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#include "fmgr.h"
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#include "replication/replicainternal.h"
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#define AmDataSenderToDummyStandby() (t_thrd.datasender_cxt.MyDataSnd->sendRole == SNDROLE_PRIMARY_DUMMYSTANDBY)
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#define AmDataSenderOnDummyStandby() (t_thrd.datasender_cxt.MyDataSnd->sendRole == SNDROLE_DUMMYSTANDBY_STANDBY)
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typedef struct {
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char* receivedFileList; /* Buffer where we store the file list*/
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int msgLength; /* File list length we got from dummy */
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slock_t mutex;
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} GlobalIncrementalBcmDefinition;
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/* user-settable parameters */
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extern volatile uint32 send_dummy_count;
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extern GlobalIncrementalBcmDefinition g_incrementalBcmInfo;
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extern int DataSenderMain(void);
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extern void DataSndSignals(void);
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extern Size DataSndShmemSize(void);
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extern void DataSndShmemInit(void);
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extern void DataSndWakeup(void);
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extern bool DataSndInProgress(int type);
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extern Datum pg_stat_get_data_senders(PG_FUNCTION_ARGS);
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bool DataSndInSearching(void);
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void ReplaceOrFreeBcmFileListBuffer(char* file_list, int msglength);
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void InitGlobalBcm(void);
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#endif /* _DATASENDER_H */
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