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firebird-mirror/src/alice/all.h

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2001-05-23 15:26:42 +02:00
/*
* PROGRAM: Alice
* MODULE: all.h
* DESCRIPTION: Data allocation declarations
*
* The contents of this file are subject to the Interbase Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy
* of the License at http://www.Inprise.com/IPL.html
*
* Software distributed under the License is distributed on an
* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
* or implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code was created by Inprise Corporation
* and its predecessors. Portions created by Inprise Corporation are
* Copyright (C) Inprise Corporation.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*/
#ifndef _ALICE_ALL_H_
#define _ALICE_ALL_H_
#if ALIGNMENT == 8
#define MIN_ALLOC 8
#else
#define MIN_ALLOC 4
#endif
#define MAX_BLOCK 256000
#define FUDGE 1
#define SHIFT 2
#define MIN_ALLOCATION 1024 /* Minimin allocation from operating system */
/* This is the header to be used by all blocks to
specify the type of block, the pool in which it has
been allocated, and the length of its tail. */
#ifndef INCLUDE_FB_BLK
#include "../include/fb_blk.h"
#endif
/* Free block */
typedef struct frb
{
struct blk frb_header;
struct frb *frb_next; /* Next free block in pool */
} *FRB;
/* Pool block */
typedef struct plb
{
struct blk plb_header;
USHORT plb_pool_id; /* pool id */
struct frb *plb_free; /* first free block */
struct hnk *plb_hunks; /* first hunk block */
struct lls *plb_lls; /* avaiable linked list stack nodes */
} *PLB;
/* Hunk blocks */
typedef struct hnk
{
struct blk hnk_header;
SCHAR *hnk_address; /* start of memory hunk */
SLONG hnk_length; /* length of memory hunk */
struct hnk *hnk_next; /* next memory hunk in structure */
} *HNK;
#endif /* _ALICE_ALL_H_ */