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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Wednesday, July 9, 2003
*
* Purpose: This file contains declarations which are visible
* only within the H5HL package. Source files outside the
* H5HL package should include H5HLprivate.h instead.
*/
#ifndef H5HL_PACKAGE
#error "Do not include this file outside the H5HL package!"
#endif
#ifndef _H5HLpkg_H
#define _H5HLpkg_H
/* Get package's private header */
#include "H5HLprivate.h"
/* Other private headers needed by this file */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5FLprivate.h" /* Free lists */
/*****************************/
/* Package Private Variables */
/*****************************/
/* The cache subclass */
H5_DLLVAR const H5AC_class_t H5AC_LHEAP[1];
/* Declare extern the free list to manage the H5HL_free_t struct */
H5FL_EXTERN(H5HL_free_t);
/* Declare extern the free list to manage the H5HL_t struct */
H5FL_EXTERN(H5HL_t);
/* Declare extern the PQ free list to manage the heap chunk information */
H5FL_BLK_EXTERN(lheap_chunk);
/**************************/
/* Package Private Macros */
/**************************/
#define H5HL_SIZEOF_HDR(F) \
H5HL_ALIGN(H5_SIZEOF_MAGIC + /*heap signature */ \
4 + /*reserved */ \
H5F_SIZEOF_SIZE (F) + /*data size */ \
H5F_SIZEOF_SIZE (F) + /*free list head */ \
H5F_SIZEOF_ADDR (F)) /*data address */
/****************************/
/* Package Private Typedefs */
/****************************/
typedef struct H5HL_free_t {
size_t offset; /*offset of free block */
size_t size; /*size of free block */
struct H5HL_free_t *prev; /*previous entry in free list */
struct H5HL_free_t *next; /*next entry in free list */
} H5HL_free_t;
struct H5HL_t {
H5AC_info_t cache_info; /* Information for H5AC cache functions, _must_ be */
/* first field in structure */
haddr_t addr; /*address of data */
size_t heap_alloc; /*size of heap on disk and in mem */
uint8_t *chunk; /*the chunk, including header */
H5HL_free_t *freelist; /*the free list */
};
/******************************/
/* Package Private Prototypes */
/******************************/
H5_DLL herr_t H5HL_dest(H5F_t *f, H5HL_t *heap);
H5_DLL herr_t H5HL_size(const H5F_t *f, const H5HL_t *heap, size_t *size_ptr);
#endif /* _H5HLpkg_H */
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