windows-nt/Source/XPSP1/NT/net/jet500/xjet/inc/spaceint.h
2020-09-26 16:20:57 +08:00

16 lines
565 B
C

/* Space Manager constants
*/
#define cSecFrac 4 // divider of primary extent to get secondary
// extent size, =cpgPrimary/cpgSecondary
#define pgnoSysMax (1<<22) // maximum page number allowed in database
extern LONG cpgSESysMin; // minimum secondary extent size, default is 16
#define cpgSmallFDP 16 // count of owned pages below which an FDP
// is considered small
#define cpgSmallGrow 3 // minimum count of pages to grow a small FDP
/* FUCB work area flags
*/
#define fNone 0
#define fSecondary 1
#define fFreed 2