diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:46:48 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:46:48 +0000 |
| commit | 311bcfc6b3acdd6fd152798c7f287ddf74fa2a98 (patch) | |
| tree | 0ec307299b1dada3701e42f4ca6eda57d708261e /src/include/access/bufmask.h | |
| parent | Initial commit. (diff) | |
| download | postgresql-15-upstream.tar.xz postgresql-15-upstream.zip | |
Adding upstream version 15.4.upstream/15.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/access/bufmask.h')
| -rw-r--r-- | src/include/access/bufmask.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/include/access/bufmask.h b/src/include/access/bufmask.h new file mode 100644 index 0000000..7ce9f67 --- /dev/null +++ b/src/include/access/bufmask.h @@ -0,0 +1,32 @@ +/*------------------------------------------------------------------------- + * + * bufmask.h + * Definitions for buffer masking routines, used to mask certain bits + * in a page which can be different when the WAL is generated + * and when the WAL is applied. This is really the job of each + * individual rmgr, but we make things easier by providing some + * common routines to handle cases which occur in multiple rmgrs. + * + * Portions Copyright (c) 2016-2022, PostgreSQL Global Development Group + * + * src/include/access/bufmask.h + * + *------------------------------------------------------------------------- + */ + +#ifndef BUFMASK_H +#define BUFMASK_H + +#include "storage/block.h" +#include "storage/bufmgr.h" + +/* Marker used to mask pages consistently */ +#define MASK_MARKER 0 + +extern void mask_page_lsn_and_checksum(Page page); +extern void mask_page_hint_bits(Page page); +extern void mask_unused_space(Page page); +extern void mask_lp_flags(Page page); +extern void mask_page_content(Page page); + +#endif |