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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5HFprivate.h
* Feb 24 2006
* Quincey Koziol <koziol@ncsa.uiuc.edu>
*
* Purpose: Private header for library accessible fractal heap routines.
*
*-------------------------------------------------------------------------
*/
#ifndef _H5HFprivate_H
#define _H5HFprivate_H
/* Include package's public header */
#include "H5HFpublic.h"
/* Private headers needed by this file */
#include "H5Fprivate.h" /* File access */
/**************************/
/* Library Private Macros */
/**************************/
/****************************/
/* Library Private Typedefs */
/****************************/
/* Creation parameters for doubling-tables */
typedef struct H5HF_dtable_cparam_t {
unsigned width; /* Number of columns in the table (must be power of 2) */
size_t start_block_size; /* Starting block size for table (must be power of 2) */
size_t max_direct_size; /* Maximum size of a direct block (must be power of 2) */
unsigned max_index; /* Maximum ID/offset for table (integer log2 of actual value, ie. the # of bits required) */
unsigned start_root_rows; /* Starting number of rows for root indirect block */
/* 0 indicates to create the full indirect block for the root,
* right from the start. Doesn't have to be power of 2
*/
} H5HF_dtable_cparam_t;
/* Fractal heap creation parameters */
typedef struct H5HF_create_t {
H5HF_dtable_cparam_t managed;/* Mapped object doubling-table creation parameters */
uint32_t max_man_size; /* Max. size of object to manage in doubling table */
/* (i.e. min. size of object to store standalone) */
} H5HF_create_t;
/* Fractal heap metadata statistics info */
typedef struct H5HF_stat_t {
hsize_t total_size; /* Total size of heap allocated (man & std) */
hsize_t nobjs; /* Number of objects in heap */
hsize_t man_size; /* Total size of managed space in heap */
hsize_t man_alloc_size; /* Total size of managed space allocated in heap */
hsize_t man_iter_off; /* Offset of "new block" iterator in managed heap space */
hsize_t man_free_space; /* Free space within managed heap */
hsize_t std_size; /* Total size of standalone space in heap */
} H5HF_stat_t;
/* Fractal heap info (forward decl - defined in H5HFpkg.h) */
typedef struct H5HF_t H5HF_t;
/*****************************/
/* Library-private Variables */
/*****************************/
/***************************************/
/* Library-private Function Prototypes */
/***************************************/
H5_DLL H5HF_t *H5HF_create(H5F_t *f, hid_t dxpl_id, const H5HF_create_t *cparam);
H5_DLL H5HF_t *H5HF_open(H5F_t *f, hid_t dxpl_id, haddr_t fh_addr);
H5_DLL herr_t H5HF_get_id_len(H5HF_t *fh, size_t *id_len_p/*out*/);
H5_DLL herr_t H5HF_get_heap_addr(H5HF_t *fh, haddr_t *heap_addr);
H5_DLL herr_t H5HF_insert(H5HF_t *fh, hid_t dxpl_id, size_t size,
const void *obj, void *id/*out*/);
H5_DLL herr_t H5HF_get_obj_len(H5HF_t *fh, const void *id, size_t *obj_len_p/*out*/);
H5_DLL herr_t H5HF_read(H5HF_t *fh, hid_t dxpl_id, const void *id,
void *obj/*out*/);
H5_DLL herr_t H5HF_remove(H5HF_t *fh, hid_t dxpl_id, const void *id);
H5_DLL herr_t H5HF_close(H5HF_t *fh, hid_t dxpl_id);
H5_DLL herr_t H5HF_delete(H5F_t *f, hid_t dxpl_id, haddr_t fh_addr);
/* Statistics routines */
H5_DLL herr_t H5HF_stat_info(const H5HF_t *fh, H5HF_stat_t *stats);
/* Debugging routines */
#ifdef H5HF_DEBUGGING
H5_DLL herr_t H5HF_sects_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr,
FILE *stream, int indent, int fwidth);
#endif /* H5HF_DEBUGGING */
#endif /* _H5HFprivate_H */
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