1 files changed, 0 insertions, 187 deletions
diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h
deleted file mode 100644
index 825033974a6..00000000000
--- a/src/include/storage/bufmgr.h
+++ /dev/null
@@ -1,187 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * bufmgr.h
- *	  POSTGRES buffer manager definitions.
- *
- *
- * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * $Id: bufmgr.h,v 1.60 2002/06/20 20:29:52 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
-#ifndef BUFMGR_H
-#define BUFMGR_H
-
-#include "access/xlogdefs.h"
-#include "storage/buf.h"
-#include "storage/lock.h"
-#include "storage/relfilenode.h"
-#include "utils/rel.h"
-
-typedef void *Block;
-
-/* in globals.c ... this duplicates miscadmin.h */
-extern int	NBuffers;
-
-/* in buf_init.c */
-extern Block *BufferBlockPointers;
-extern long *PrivateRefCount;
-
-/* in localbuf.c */
-extern int	NLocBuffer;
-extern Block *LocalBufferBlockPointers;
-extern long *LocalRefCount;
-
-/* special pageno for bget */
-#define P_NEW	InvalidBlockNumber		/* grow the file to get a new page */
-
-/*
- * Buffer context lock modes
- */
-#define BUFFER_LOCK_UNLOCK		0
-#define BUFFER_LOCK_SHARE		1
-#define BUFFER_LOCK_EXCLUSIVE	2
-
-/*
- * These routines are beaten on quite heavily, hence the macroization.
- */
-
-#define BAD_BUFFER_ID(bid) ((bid) < 1 || (bid) > NBuffers)
-#define INVALID_DESCRIPTOR (-3)
-
-#define UnlockAndReleaseBuffer(buffer)	\
-( \
-	LockBuffer(buffer, BUFFER_LOCK_UNLOCK), \
-	ReleaseBuffer(buffer) \
-)
-
-#define UnlockAndWriteBuffer(buffer)	\
-( \
-	LockBuffer(buffer, BUFFER_LOCK_UNLOCK), \
-	WriteBuffer(buffer) \
-)
-
-/*
- * BufferIsValid
- *		True iff the given buffer number is valid (either as a shared
- *		or local buffer).
- *
- * Note: For a long time this was defined the same as BufferIsPinned,
- * that is it would say False if you didn't hold a pin on the buffer.
- * I believe this was bogus and served only to mask logic errors.
- * Code should always know whether it has a buffer reference,
- * independently of the pin state.
- */
-#define BufferIsValid(bufnum) \
-( \
-	BufferIsLocal(bufnum) ? \
-		((bufnum) >= -NLocBuffer) \
-	: \
-		(! BAD_BUFFER_ID(bufnum)) \
-)
-
-/*
- * BufferIsPinned
- *		True iff the buffer is pinned (also checks for valid buffer number).
- *
- *		NOTE: what we check here is that *this* backend holds a pin on
- *		the buffer.  We do not care whether some other backend does.
- */
-#define BufferIsPinned(bufnum) \
-( \
-	BufferIsLocal(bufnum) ? \
-		((bufnum) >= -NLocBuffer && LocalRefCount[-(bufnum) - 1] > 0) \
-	: \
-	( \
-		BAD_BUFFER_ID(bufnum) ? \
-			false \
-		: \
-			(PrivateRefCount[(bufnum) - 1] > 0) \
-	) \
-)
-
-/*
- * IncrBufferRefCount
- *		Increment the pin count on a buffer that we have *already* pinned
- *		at least once.
- *
- *		This macro cannot be used on a buffer we do not have pinned,
- *		because it doesn't change the shared buffer state.  Therefore the
- *		Assert checks are for refcount > 0.  Someone got this wrong once...
- */
-#define IncrBufferRefCount(buffer) \
-( \
-	BufferIsLocal(buffer) ? \
-	( \
-		(void) AssertMacro((buffer) >= -NLocBuffer), \
-		(void) AssertMacro(LocalRefCount[-(buffer) - 1] > 0), \
-		(void) LocalRefCount[-(buffer) - 1]++ \
-	) \
-	: \
-	( \
-		(void) AssertMacro(!BAD_BUFFER_ID(buffer)), \
-		(void) AssertMacro(PrivateRefCount[(buffer) - 1] > 0), \
-		(void) PrivateRefCount[(buffer) - 1]++ \
-	) \
-)
-
-/*
- * BufferGetBlock
- *		Returns a reference to a disk page image associated with a buffer.
- *
- * Note:
- *		Assumes buffer is valid.
- */
-#define BufferGetBlock(buffer) \
-( \
-	AssertMacro(BufferIsValid(buffer)), \
-	BufferIsLocal(buffer) ? \
-		LocalBufferBlockPointers[-(buffer) - 1] \
-	: \
-		BufferBlockPointers[(buffer) - 1] \
-)
-
-/*
- * prototypes for functions in bufmgr.c
- */
-extern Buffer ReadBuffer(Relation reln, BlockNumber blockNum);
-extern int	ReleaseBuffer(Buffer buffer);
-extern void	WriteBuffer(Buffer buffer);
-extern void	WriteNoReleaseBuffer(Buffer buffer);
-extern Buffer ReleaseAndReadBuffer(Buffer buffer, Relation relation,
-					 BlockNumber blockNum);
-extern int	FlushBuffer(Buffer buffer, bool sync, bool release);
-
-extern void InitBufferPool(void);
-extern void InitBufferPoolAccess(void);
-extern char *ShowBufferUsage(void);
-extern void ResetBufferUsage(void);
-extern void ResetBufferPool(bool isCommit);
-extern bool BufferPoolCheckLeak(void);
-extern void FlushBufferPool(void);
-extern BlockNumber BufferGetBlockNumber(Buffer buffer);
-extern BlockNumber RelationGetNumberOfBlocks(Relation relation);
-extern int	FlushRelationBuffers(Relation rel, BlockNumber firstDelBlock);
-extern void DropRelationBuffers(Relation rel);
-extern void DropRelFileNodeBuffers(RelFileNode rnode);
-extern void DropBuffers(Oid dbid);
-extern void PrintPinnedBufs(void);
-extern int	BufferShmemSize(void);
-extern RelFileNode BufferGetFileNode(Buffer buffer);
-
-extern void SetBufferCommitInfoNeedsSave(Buffer buffer);
-
-extern void UnlockBuffers(void);
-extern void LockBuffer(Buffer buffer, int mode);
-extern void LockBufferForCleanup(Buffer buffer);
-
-extern void AbortBufferIO(void);
-
-extern void BufmgrCommit(void);
-extern void BufferSync(void);
-
-extern void InitLocalBuffer(void);
-
-#endif