mirror of
https://github.com/HDFGroup/hdf5.git
synced 2025-02-05 15:42:32 +08:00
474a1434bd
New internal feature
Description:
Add internal API for building and working with heaps (H5HP). This will be
used for the LRU algorithm in the new metadata cache code.
Platforms tested:
Tested h5committest {arabica (fortran), eirene (fortran, C++)
modi4 (parallel, fortran)}
FreeBSD 4.7 (sleipnir)
71 lines
2.7 KiB
C
71 lines
2.7 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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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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* *
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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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/*
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* This file contains private information about the H5HP module
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*/
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#ifndef _H5HPprivate_H
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#define _H5HPprivate_H
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/**************************************/
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/* Public headers needed by this file */
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/**************************************/
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#ifdef LATER
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#include "H5HPpublic.h"
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#endif /* LATER */
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/***************************************/
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/* Private headers needed by this file */
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/***************************************/
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#include "H5private.h"
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/************/
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/* Typedefs */
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/************/
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/* Typedef for heap struct (defined in H5HP.c) */
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typedef struct H5HP_t H5HP_t;
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/* Typedef for objects which can be inserted into heaps */
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/* This _must_ be the first field in objects which can be inserted into heaps */
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typedef struct H5HP_info_t {
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size_t heap_loc; /* Location of object in heap */
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}H5HP_info_t;
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/* Typedef for type of heap to create */
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typedef enum {
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H5HP_MIN_HEAP, /* Minimum values in heap are at the "top" */
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H5HP_MAX_HEAP /* Maximum values in heap are at the "top" */
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} H5HP_type_t;
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/**********/
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/* Macros */
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/**********/
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/********************/
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/* Private routines */
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/********************/
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H5_DLL H5HP_t *H5HP_create(H5HP_type_t heap_type);
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H5_DLL herr_t H5HP_insert(H5HP_t *heap, int val, void *obj);
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H5_DLL ssize_t H5HP_count(const H5HP_t *heap);
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H5_DLL herr_t H5HP_top(const H5HP_t *heap, int *val);
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H5_DLL herr_t H5HP_remove(H5HP_t *heap, int *val, void **ptr);
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H5_DLL herr_t H5HP_change(H5HP_t *heap, int val, void *obj);
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H5_DLL herr_t H5HP_incr(H5HP_t *heap, unsigned amt, void *obj);
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H5_DLL herr_t H5HP_decr(H5HP_t *heap, unsigned amt, void *obj);
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H5_DLL herr_t H5HP_close(H5HP_t *heap);
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#endif /* _H5HPprivate_H */
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