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📁 ..
📄 backendid.h(1.1 KB)
📄 barrier.h(674 B)
📄 block.h(3.21 KB)
📄 buf.h(1.06 KB)
📄 buf_internals.h(12.24 KB)
📄 buffile.h(1.67 KB)
📄 bufmgr.h(9 KB)
📄 bufpage.h(14.91 KB)
📄 checksum.h(666 B)
📄 checksum_impl.h(8.59 KB)
📄 copydir.h(561 B)
📄 dsm.h(1.95 KB)
📄 dsm_impl.h(2.12 KB)
📄 fd.h(4.27 KB)
📄 freespace.h(1.36 KB)
📄 fsm_internals.h(2.26 KB)
📄 indexfsm.h(795 B)
📄 ipc.h(2.67 KB)
📄 item.h(469 B)
📄 itemid.h(4.24 KB)
📄 itemptr.h(3.93 KB)
📄 large_object.h(3.6 KB)
📄 latch.h(6.55 KB)
📄 lmgr.h(4.19 KB)
📄 lock.h(22.89 KB)
📄 lockdefs.h(1.86 KB)
📄 lwlock.h(9.19 KB)
📄 lwlocknames.h(2.42 KB)
📄 off.h(1.58 KB)
📄 pg_sema.h(2.39 KB)
📄 pg_shmem.h(2.23 KB)
📄 pmsignal.h(2.1 KB)
📄 pos.h(1.56 KB)
📄 predicate.h(2.56 KB)
📄 predicate_internals.h(16.96 KB)
📄 proc.h(10.81 KB)
📄 procarray.h(3.5 KB)
📄 procsignal.h(1.9 KB)
📄 reinit.h(592 B)
📄 relfilenode.h(3.81 KB)
📄 s_lock.h(28.64 KB)
📄 shm_mq.h(2.59 KB)
📄 shm_toc.h(2.01 KB)
📄 shmem.h(2.63 KB)
📄 sinval.h(5.41 KB)
📄 sinvaladt.h(1.58 KB)
📄 smgr.h(5.96 KB)
📄 spin.h(2.42 KB)
📄 standby.h(3.35 KB)
📄 standbydefs.h(2.25 KB)

Editing: standbydefs.h

/*-------------------------------------------------------------------------
 *
 * standbydef.h
 *	   Frontend exposed definitions for hot standby mode.
 *
 *
 * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/storage/standbydefs.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef STANDBYDEFS_H
#define STANDBYDEFS_H

#include "access/xlogreader.h"
#include "lib/stringinfo.h"
#include "storage/lockdefs.h"
#include "storage/sinval.h"

/* Recovery handlers for the Standby Rmgr (RM_STANDBY_ID) */
extern void standby_redo(XLogReaderState *record);
extern void standby_desc(StringInfo buf, XLogReaderState *record);
extern const char *standby_identify(uint8 info);
extern void standby_desc_invalidations(StringInfo buf,
						   int nmsgs, SharedInvalidationMessage *msgs,
						   Oid dbId, Oid tsId,
						   bool relcacheInitFileInval);

/*
 * XLOG message types
 */
#define XLOG_STANDBY_LOCK			0x00
#define XLOG_RUNNING_XACTS			0x10
#define XLOG_INVALIDATIONS			0x20

typedef struct xl_standby_locks
{
	int			nlocks;			/* number of entries in locks array */
	xl_standby_lock locks[FLEXIBLE_ARRAY_MEMBER];
} xl_standby_locks;

/*
 * When we write running xact data to WAL, we use this structure.
 */
typedef struct xl_running_xacts
{
	int			xcnt;			/* # of xact ids in xids[] */
	int			subxcnt;		/* # of subxact ids in xids[] */
	bool		subxid_overflow;	/* snapshot overflowed, subxids missing */
	TransactionId nextXid;		/* copy of ShmemVariableCache->nextXid */
	TransactionId oldestRunningXid;		/* *not* oldestXmin */
	TransactionId latestCompletedXid;	/* so we can set xmax */

TransactionId xids[FLEXIBLE_ARRAY_MEMBER];
} xl_running_xacts;

/*
 * Invalidations for standby, currently only when transactions without an
 * assigned xid commit.
 */
typedef struct xl_invalidations
{
	Oid			dbId;			/* MyDatabaseId */
	Oid			tsId;			/* MyDatabaseTableSpace */
	bool		relcacheInitFileInval;	/* invalidate relcache init file */
	int			nmsgs;			/* number of shared inval msgs */
	SharedInvalidationMessage msgs[FLEXIBLE_ARRAY_MEMBER];
} xl_invalidations;

#define MinSizeOfInvalidations offsetof(xl_invalidations, msgs)

#endif   /* STANDBYDEFS_H */

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