slotsync.h

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/*-------------------------------------------------------------------------
 *
 * slotsync.h
 *    Exports for slot synchronization.
 *
 * Portions Copyright (c) 2016-2026, PostgreSQL Global Development Group
 *
 * src/include/replication/slotsync.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef SLOTSYNC_H
#define SLOTSYNC_H
 
#include <signal.h>
 
#include "replication/walreceiver.h"
 
extern PGDLLIMPORT bool sync_replication_slots;
 
/* Interrupt flag set by HandleSlotSyncMessageInterrupt() */
extern PGDLLIMPORT volatile sig_atomic_t SlotSyncShutdownPending;
 
/*
 * GUCs needed by slot sync worker to connect to the primary
 * server and carry on with slots synchronization.
 */
extern PGDLLIMPORT char *PrimaryConnInfo;
extern PGDLLIMPORT char *PrimarySlotName;
 
extern char *CheckAndGetDbnameFromConninfo(void);
extern bool ValidateSlotSyncParams(int elevel);
 
pg_noreturn extern void ReplSlotSyncWorkerMain(const void *startup_data, size_t startup_data_len);
 
extern void ShutDownSlotSync(void);
extern bool SlotSyncWorkerCanRestart(void);
extern bool IsSyncingReplicationSlots(void);
extern void SyncReplicationSlots(WalReceiverConn *wrconn);
extern void HandleSlotSyncMessageInterrupt(void);
extern void ProcessSlotSyncMessage(void);
 
#endif                          /* SLOTSYNC_H */