2004-05-30 00:48:23 +02:00
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/*-------------------------------------------------------------------------
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*
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* bgwriter.h
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* Exports from postmaster/bgwriter.c.
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*
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2009-01-01 18:24:05 +01:00
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* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
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2004-05-30 00:48:23 +02:00
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*
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2009-06-11 16:49:15 +02:00
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* $PostgreSQL: pgsql/src/include/postmaster/bgwriter.h,v 1.14 2009/06/11 14:49:12 momjian Exp $
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2004-05-30 00:48:23 +02:00
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef _BGWRITER_H
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#define _BGWRITER_H
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2004-05-31 05:48:10 +02:00
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#include "storage/block.h"
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#include "storage/relfilenode.h"
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2004-05-30 00:48:23 +02:00
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/* GUC options */
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extern int BgWriterDelay;
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extern int CheckPointTimeout;
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extern int CheckPointWarning;
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2007-06-28 02:02:40 +02:00
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extern double CheckPointCompletionTarget;
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2004-05-30 00:48:23 +02:00
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extern void BackgroundWriterMain(void);
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2007-06-28 02:02:40 +02:00
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extern void RequestCheckpoint(int flags);
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extern void CheckpointWriteDelay(int flags, double progress);
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2004-05-30 00:48:23 +02:00
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2008-08-11 13:05:11 +02:00
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extern bool ForwardFsyncRequest(RelFileNode rnode, ForkNumber forknum,
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2009-06-11 16:49:15 +02:00
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BlockNumber segno);
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2004-05-31 05:48:10 +02:00
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extern void AbsorbFsyncRequests(void);
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2005-08-21 01:26:37 +02:00
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extern Size BgWriterShmemSize(void);
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2004-05-30 00:48:23 +02:00
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extern void BgWriterShmemInit(void);
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#endif /* _BGWRITER_H */
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