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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
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* Wednesday, July 9, 2003
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* Purpose: This file contains declarations which are visible
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* only within the H5HG package. Source files outside the
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* H5HG package should include H5HGprivate.h instead.
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#error "Do not include this file outside the H5HG package!"
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/* Get package's private header */
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#include "H5HGprivate.h"
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/* Other private headers needed by this file */
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/*****************************/
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/* Package Private Variables */
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/*****************************/
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/* The cache subclass */
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H5_DLLVAR const H5AC_class_t H5AC_GHEAP[1];
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/**************************/
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/* Package Private Macros */
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/**************************/
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* Pad all global heap messages to a multiple of eight bytes so we can load
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* the entire collection into memory and operate on it there. Eight should
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* be sufficient for machines that have alignment constraints because our
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* largest data type is eight bytes.
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#define H5HG_ALIGNMENT 8
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#define H5HG_ALIGN(X) (H5HG_ALIGNMENT*(((X)+H5HG_ALIGNMENT-1)/ \
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#define H5HG_ISALIGNED(X) ((X)==H5HG_ALIGN(X))
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* The overhead associated with each object in the heap, always a multiple of
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* the alignment so that the stuff that follows the header is aligned.
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#define H5HG_SIZEOF_OBJHDR(f) \
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H5HG_ALIGN(2 + /*object id number */ \
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2 + /*reference count */ \
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H5F_SIZEOF_SIZE(f)) /*object data size */
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/****************************/
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/* Package Private Typedefs */
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/****************************/
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typedef struct H5HG_obj_t {
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int nrefs; /*reference count */
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size_t size; /*total size of object */
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uint8_t *begin; /*ptr to object into heap->chunk*/
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H5AC_info_t cache_info; /* Information for H5AC cache functions, _must_ be */
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/* first field in structure */
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haddr_t addr; /*collection address */
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size_t size; /*total size of collection */
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uint8_t *chunk; /*the collection, incl. header */
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size_t nalloc; /*numb object slots allocated */
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size_t nused; /*number of slots used */
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/* If this value is >65535 then all indices */
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/* have been used at some time and the */
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/* correct new index should be searched for */
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H5HG_obj_t *obj; /*array of object descriptions */
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/******************************/
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/* Package Private Prototypes */
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/******************************/
added
removed
Utilities/hdf5/H5HGpkg.h
