codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * bufmask.h4 *	  Definitions for buffer masking routines, used to mask certain bits5 *	  in a page which can be different when the WAL is generated6 *	  and when the WAL is applied. This is really the job of each7 *	  individual rmgr, but we make things easier by providing some8 *	  common routines to handle cases which occur in multiple rmgrs.9 *10 * Portions Copyright (c) 2016-2023, PostgreSQL Global Development Group11 *12 * src/include/access/bufmask.h13 *14 *-------------------------------------------------------------------------15 */16 17#ifndef BUFMASK_H18#define BUFMASK_H19 20#include "storage/block.h"21#include "storage/bufmgr.h"22 23/* Marker used to mask pages consistently */24#define MASK_MARKER		025 26extern void mask_page_lsn_and_checksum(Page page);27extern void mask_page_hint_bits(Page page);28extern void mask_unused_space(Page page);29extern void mask_lp_flags(Page page);30extern void mask_page_content(Page page);31 32#endif33