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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2010, 2012 Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _DB_HEAP_H_
#define _DB_HEAP_H_
#if defined(__cplusplus)
extern "C" {
#endif
/* Forward structure declarations. */
struct __heap; typedef struct __heap HEAP;
struct __heap_cursor; typedef struct __heap_cursor HEAP_CURSOR;
/*
* The in-memory, per-heap data structure.
*/
struct __heap { /* Heap access method. */
u_int32_t gbytes; /* Initial heap size. */
u_int32_t bytes; /* Initial heap size. */
u_int32_t region_size; /* Size of each region. */
db_pgno_t curregion; /* The region of the next insert. */
db_pgno_t maxpgno; /* Maximum page number of a fixed size heap. */
int curpgindx; /* The last used offset in the region's space bitmap. */
};
struct __heap_cursor {
/* struct __dbc_internal */
__DBC_INTERNAL
/* Heap private part */
u_int32_t flags;
};
#define HEAP_PG_FULL 3 /* No space on page. */
#define HEAP_PG_GT66 2 /* Page greater than 66% full */
#define HEAP_PG_GT33 1 /* Page greater than 33% full */
#define HEAP_PG_LT33 0 /* Page less than 33% full */
#define HEAP_PG_FULL_PCT 5 /* Less than 5% of page is free. */
#define HEAP_PG_GT66_PCT 33 /* Less than 33% of page is free. */
#define HEAP_PG_GT33_PCT 66 /* Less than 66% of page is free. */
#if defined(__cplusplus)
}
#endif
#include "dbinc_auto/heap_auto.h"
#include "dbinc_auto/heap_ext.h"
#include "dbinc/db_am.h"
#endif