1 files changed, 0 insertions, 222 deletions
diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h
deleted file mode 100644
index 42241aee82e..00000000000
--- a/src/include/access/xlog.h
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- * xlog.h
- *
- * PostgreSQL transaction log manager
- *
- * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * $Id: xlog.h,v 1.31 2002/06/20 20:29:43 momjian Exp $
- */
-#ifndef XLOG_H
-#define XLOG_H
-
-#include "access/rmgr.h"
-#include "access/transam.h"
-#include "access/xlogdefs.h"
-#include "storage/bufmgr.h"
-#include "utils/pg_crc.h"
-
-
-/*
- * Header for each record in XLOG
- *
- * NOTE: xl_len counts only the rmgr data, not the XLogRecord header,
- * and also not any backup blocks appended to the record (which are signaled
- * by xl_info flag bits).  The total space needed for an XLOG record is
- * really:
- *
- * SizeOfXLogRecord + xl_len + n_backup_blocks * (sizeof(BkpBlock) + BLCKSZ)
- *
- * rounded up to a MAXALIGN boundary (so that all xlog records start on
- * MAXALIGN boundaries).
- */
-typedef struct XLogRecord
-{
-	crc64		xl_crc;			/* CRC for this record */
-	XLogRecPtr	xl_prev;		/* ptr to previous record in log */
-	XLogRecPtr	xl_xact_prev;	/* ptr to previous record of this xact */
-	TransactionId xl_xid;		/* xact id */
-	uint16		xl_len;			/* total len of rmgr data */
-	uint8		xl_info;		/* flag bits, see below */
-	RmgrId		xl_rmid;		/* resource manager for this record */
-
-	/* ACTUAL LOG DATA FOLLOWS AT END OF STRUCT */
-
-} XLogRecord;
-
-#define SizeOfXLogRecord	MAXALIGN(sizeof(XLogRecord))
-#define MAXLOGRECSZ			65535		/* the most that'll fit in xl_len */
-
-#define XLogRecGetData(record)	((char*) (record) + SizeOfXLogRecord)
-
-/*
- * XLOG uses only low 4 bits of xl_info.  High 4 bits may be used by rmgr.
- */
-#define XLR_INFO_MASK			0x0F
-
-/*
- * We support backup of up to 2 disk blocks per XLOG record (could support
- * more if we cared to dedicate more xl_info bits for this purpose; currently
- * do not need more than 2 anyway).  If we backed up any disk blocks then we
- * use flag bits in xl_info to signal it.
- */
-#define XLR_BKP_BLOCK_MASK		0x0C	/* all info bits used for bkp
-										 * blocks */
-#define XLR_MAX_BKP_BLOCKS		2
-#define XLR_SET_BKP_BLOCK(iblk) (0x08 >> (iblk))
-#define XLR_BKP_BLOCK_1			XLR_SET_BKP_BLOCK(0)	/* 0x08 */
-#define XLR_BKP_BLOCK_2			XLR_SET_BKP_BLOCK(1)	/* 0x04 */
-
-/*
- * Sometimes we log records which are out of transaction control.
- * Rmgr may "or" XLOG_NO_TRAN into info passed to XLogInsert to indicate this.
- */
-#define XLOG_NO_TRAN			XLR_INFO_MASK
-
-/*
- * Header info for a backup block appended to an XLOG record.
- *
- * Note that the backup block has its own CRC, and is not covered by
- * the CRC of the XLOG record proper.  Also note that we don't attempt
- * to align either the BkpBlock struct or the block's data.
- */
-typedef struct BkpBlock
-{
-	crc64		crc;
-	RelFileNode node;
-	BlockNumber block;
-} BkpBlock;
-
-/*
- * When there is not enough space on current page for whole record, we
- * continue on the next page with continuation record.	(However, the
- * XLogRecord header will never be split across pages; if there's less than
- * SizeOfXLogRecord space left at the end of a page, we just waste it.)
- *
- * Note that xl_rem_len includes backup-block data, unlike xl_len in the
- * initial header.
- */
-typedef struct XLogContRecord
-{
-	uint32		xl_rem_len;		/* total len of remaining data for record */
-
-	/* ACTUAL LOG DATA FOLLOWS AT END OF STRUCT */
-
-} XLogContRecord;
-
-#define SizeOfXLogContRecord	MAXALIGN(sizeof(XLogContRecord))
-
-/*
- * Each page of XLOG file has a header like this:
- */
-#define XLOG_PAGE_MAGIC 0xD059	/* can be used as WAL version indicator */
-
-typedef struct XLogPageHeaderData
-{
-	uint16		xlp_magic;		/* magic value for correctness checks */
-	uint16		xlp_info;		/* flag bits, see below */
-	StartUpID	xlp_sui;		/* StartUpID of first record on page */
-	XLogRecPtr	xlp_pageaddr;	/* XLOG address of this page */
-} XLogPageHeaderData;
-
-#define SizeOfXLogPHD	MAXALIGN(sizeof(XLogPageHeaderData))
-
-typedef XLogPageHeaderData *XLogPageHeader;
-
-/* When record crosses page boundary, set this flag in new page's header */
-#define XLP_FIRST_IS_CONTRECORD		0x0001
-/* All defined flag bits in xlp_info (used for validity checking of header) */
-#define XLP_ALL_FLAGS				0x0001
-
-/*
- * We break each logical log file (xlogid value) into 16Mb segments.
- * One possible segment at the end of each log file is wasted, to ensure
- * that we don't have problems representing last-byte-position-plus-1.
- */
-#define XLogSegSize		((uint32) (16*1024*1024))
-#define XLogSegsPerFile (((uint32) 0xffffffff) / XLogSegSize)
-#define XLogFileSize	(XLogSegsPerFile * XLogSegSize)
-
-/*
- * Method table for resource managers.
- *
- * RmgrTable[] is indexed by RmgrId values (see rmgr.h).
- */
-typedef struct RmgrData
-{
-	char	   *rm_name;
-	void		(*rm_redo) (XLogRecPtr lsn, XLogRecord *rptr);
-	void		(*rm_undo) (XLogRecPtr lsn, XLogRecord *rptr);
-	void		(*rm_desc) (char *buf, uint8 xl_info, char *rec);
-} RmgrData;
-
-extern RmgrData RmgrTable[];
-
-/*--------------------
- * List of these structs is used to pass data to XLogInsert().
- *
- * If buffer is valid then XLOG will check if buffer must be backed up
- * (ie, whether this is first change of that page since last checkpoint).
- * If so, the whole page contents are attached to the XLOG record, and XLOG
- * sets XLR_BKP_BLOCK_X bit in xl_info.  Note that the buffer must be pinned
- * and locked while this is going on, so that it won't change under us.
- * NB: when this happens, we do not bother to insert the associated data into
- * the XLOG record, since we assume it's present in the buffer.  Therefore,
- * rmgr redo routines MUST pay attention to XLR_BKP_BLOCK_X to know what
- * is actually stored in the XLOG record.
- *--------------------
- */
-typedef struct XLogRecData
-{
-	Buffer		buffer;			/* buffer associated with this data */
-	char	   *data;
-	uint32		len;
-	struct XLogRecData *next;
-} XLogRecData;
-
-extern StartUpID ThisStartUpID; /* current SUI */
-extern bool InRecovery;
-extern XLogRecPtr MyLastRecPtr;
-extern bool MyXactMadeXLogEntry;
-extern XLogRecPtr ProcLastRecEnd;
-
-/* these variables are GUC parameters related to XLOG */
-extern int	CheckPointSegments;
-extern int	XLOGbuffers;
-extern int	XLOGfiles;
-extern int	XLOG_DEBUG;
-extern char *XLOG_sync_method;
-extern const char XLOG_sync_method_default[];
-
-
-extern XLogRecPtr XLogInsert(RmgrId rmid, uint8 info, XLogRecData *rdata);
-extern void XLogFlush(XLogRecPtr RecPtr);
-
-extern void xlog_redo(XLogRecPtr lsn, XLogRecord *record);
-extern void xlog_undo(XLogRecPtr lsn, XLogRecord *record);
-extern void xlog_desc(char *buf, uint8 xl_info, char *rec);
-
-extern void UpdateControlFile(void);
-extern int	XLOGShmemSize(void);
-extern void XLOGShmemInit(void);
-extern void XLOGPathInit(void);
-extern void BootStrapXLOG(void);
-extern void StartupXLOG(void);
-extern void ShutdownXLOG(void);
-extern void CreateCheckPoint(bool shutdown);
-extern void SetThisStartUpID(void);
-extern void XLogPutNextOid(Oid nextOid);
-extern void SetSavedRedoRecPtr(void);
-extern void GetSavedRedoRecPtr(void);
-extern XLogRecPtr GetRedoRecPtr(void);
-
-/* in storage/ipc/sinval.c, but don't want to declare in sinval.h because
- * we'd have to include xlog.h into that ...
- */
-extern XLogRecPtr GetUndoRecPtr(void);
-
-extern const char *assign_xlog_sync_method(const char *method,
-										   bool doit, bool interactive);
-
-#endif   /* XLOG_H */