Page Flags

Macros
#define	P_BRANCH   0x01
#define	P_LEAF   0x02
#define	P_OVERFLOW   0x04
#define	P_META   0x08
#define	P_LEAF2   0x20
#define	P_SUBP   0x40
#define	P_DIRTY_OVF   0x2000
#define	P_LOOSE   0x4000
#define	P_KEEP   0x8000
#define	P_ADM_FLAGS   0 /* later... */

Detailed Description

Flags for the page headers.

Macro Definition Documentation

#define P_BRANCH   0x01

branch page

#define P_LEAF   0x02

leaf page

#define P_OVERFLOW   0x04

overflow page

#define P_META   0x08

meta page

#define P_LEAF2   0x20

for MDB_DUPFIXED records

#define P_SUBP   0x40

for MDB_DUPSORT sub-pages

#define P_DIRTY_OVF   0x2000

page has dirty overflow nodes

#define P_LOOSE   0x4000

page was dirtied then freed, can be reused

#define P_KEEP   0x8000

leave this page alone during spill

#define P_ADM_FLAGS   0 /* later... */

Persistent flags for page administration rather than page contents