mcache_priv.h File Reference

#include "hdf_priv.h"
#include "hqueue_priv.h"

Data Structures
struct	BKT
struct	L_ELEM
struct	MCACHE
struct	MCACHE::_lqh
struct	MCACHE::_hqh
struct	MCACHE::_lhqh

Macros
#define	RET_SUCCESS   SUCCEED
#define	RET_ERROR   FAIL
#define	HASHSIZE   128
#define	HASHKEY(pgno)   ((pgno - 1) % HASHSIZE)
#define	DEF_PAGESIZE   8192
#define	DEF_MAXCACHE   1
#define	MAX_PAGE_NUMBER   0xffffffff /* >= # of pages in a object */
#define	MCACHE_DIRTY   0x01 /* page needs to be written */
#define	MCACHE_PINNED   0x02 /* page is pinned into memory */
#define	ELEM_READ   0x01
#define	ELEM_WRITTEN   0x02
#define	ELEM_SYNC   0x03
#define	MCACHE_EXTEND

Functions
MCACHE *	mcache_open (void *key, int32 object_id, int32 pagesize, int32 maxcache, int32 npages, int32 flags)
void	mcache_filter (MCACHE *mp, int32(*pgin)(void *cookie, int32 pgno, void *page), int32(*pgout)(void *cookie, int32 pgno, const void *page), void *pgcookie)
void *	mcache_new (MCACHE *mp, int32 *pgnoaddr, int32 flags)
void *	mcache_get (MCACHE *mp, int32 pgno, int32 flags)
intn	mcache_put (MCACHE *mp, void *page, int32 flags)
intn	mcache_sync (MCACHE *mp)
intn	mcache_close (MCACHE *mp)
int32	mcache_get_pagesize (MCACHE *mp)
int32	mcache_get_maxcache (MCACHE *mp)
int32	mcache_set_maxcache (MCACHE *mp, int32 maxcache)
int32	mcache_get_npages (MCACHE *mp)

Macro Definition Documentation

DEF_MAXCACHE

#define DEF_MAXCACHE   1

DEF_PAGESIZE

#define DEF_PAGESIZE   8192

ELEM_READ

#define ELEM_READ   0x01

ELEM_SYNC

#define ELEM_SYNC   0x03

ELEM_WRITTEN

#define ELEM_WRITTEN   0x02

HASHKEY

#define HASHKEY

(

pgno

)

((pgno - 1) % HASHSIZE)

HASHSIZE

#define HASHSIZE   128

MAX_PAGE_NUMBER

#define MAX_PAGE_NUMBER   0xffffffff /* >= # of pages in a object */

MCACHE_DIRTY

#define MCACHE_DIRTY   0x01 /* page needs to be written */

MCACHE_EXTEND

#define MCACHE_EXTEND

Value:

    0x10 /* increase number of pages                                                                         \
        i.e extend object */

MCACHE_PINNED

#define MCACHE_PINNED   0x02 /* page is pinned into memory */

RET_ERROR

#define RET_ERROR   FAIL

RET_SUCCESS

#define RET_SUCCESS   SUCCEED

Function Documentation

mcache_close()

intn mcache_close ( MCACHE * mp )

extern

mcache_filter()

void mcache_filter ( MCACHE * mp, int32(*)(void *cookie, int32 pgno, void *page) pgin, int32(*)(void *cookie, int32 pgno, const void *page) pgout, void * pgcookie )

extern

mcache_get()

void * mcache_get ( MCACHE * mp, int32 pgno, int32 flags )

extern

mcache_get_maxcache()

int32 mcache_get_maxcache ( MCACHE * mp )

extern

mcache_get_npages()

int32 mcache_get_npages ( MCACHE * mp )

extern

mcache_get_pagesize()

int32 mcache_get_pagesize ( MCACHE * mp )

extern

mcache_new()

void * mcache_new ( MCACHE * mp, int32 * pgnoaddr, int32 flags )

extern

mcache_open()

MCACHE * mcache_open ( void * key, int32 object_id, int32 pagesize, int32 maxcache, int32 npages, int32 flags )

extern

mcache_put()

intn mcache_put ( MCACHE * mp, void * page, int32 flags )

extern

mcache_set_maxcache()

int32 mcache_set_maxcache ( MCACHE * mp, int32 maxcache )

extern

mcache_sync()

intn mcache_sync ( MCACHE * mp )

extern