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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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Thursday, March 10, 2005
*
* Purpose: This file contains declarations which are visible only within
* the H5SH package. Source files outside the H5SH package should
* include H5SHprivate.h instead.
*/
#ifndef H5SH_PACKAGE
#error "Do not include this file outside the H5SH package!"
#endif
#ifndef _H5SHpkg_H
#define _H5SHpkg_H
/* Get package's private header */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5FLprivate.h" /* Free Lists */
#include "H5SHprivate.h" /* Segmented heap */
/* Other private headers needed by this file */
/**************************/
/* Package Private Macros */
/**************************/
/* Size of signature information (on disk) */
#define H5SH_SIZEOF_MAGIC 4
/* Segmented heap signature */
#define H5SH_MAGIC "SGHP"
/* Size of the segmented heap info on disk */
#define H5SH_SIZE(f) ( \
4 + /* Signature */ \
1 + /* Version */ \
1 + /* Heap data type */ \
H5F_SIZEOF_SIZE(f) + /* Min. size of heap blocks */ \
H5F_SIZEOF_SIZE(f) + /* Max. expand size of heap blocks */ \
H5F_SIZEOF_ADDR(f) + /* Address of block tracker for actual heap blocks */ \
H5F_SIZEOF_ADDR(f)) /* Address of block tracker for free blocks */
/****************************/
/* Package Private Typedefs */
/****************************/
/* The segmented heap information */
typedef struct H5SH_t {
/* Information for H5AC cache functions, _must_ be first field in structure */
H5AC_info_t cache_info;
/* Information set by user */
H5SH_data_type_t heap_type; /* Type of data stored in heap */
hsize_t min_size; /* Minimum size of heap block */
hsize_t max_extend_size;/* Maximum size to expand heap block to */
/* (Objects larger than this size will get
* placed into their own heap block)
*/
/* Derived information from user's information */
H5FD_mem_t file_mem_type; /* Type of memory to store heap blocks in the file */
/* Internal block tracking information */
haddr_t bt_heap_addr; /* Address of block tracker for heap blocks */
haddr_t bt_free_addr; /* Address of block tracker for free space */
} H5SH_t;
/*****************************/
/* Package Private Variables */
/*****************************/
/* H5SH inherits cache-like properties from H5AC */
H5_DLLVAR const H5AC_class_t H5AC_SGHP[1];
/* Declare a free list to manage the H5SH_t struct */
H5FL_EXTERN(H5SH_t);
/******************************/
/* Package Private Prototypes */
/******************************/
H5_DLL herr_t H5SH_cache_dest(H5F_t *f, H5SH_t *b);
H5_DLL herr_t H5SH_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream,
int indent, int fwidth);
#endif /* _H5SHpkg_H */
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