2ab1d8cc0c
Also changed H5O_copy_search_comm_dt_check() to use H5O_obj_class() to get object type instead of H5O_get_info(...TRUE...) saving time in traversing metadata.
177 lines
7.9 KiB
C
177 lines
7.9 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Programmer: Quincey Koziol <koziol@hdfgroup.org>
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* Tuesday, January 8, 2008
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*
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* Purpose: This file contains declarations which are visible only within
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* the H5MF package. Source files outside the H5MF package should
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* include H5MFprivate.h instead.
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*/
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#ifndef H5MF_PACKAGE
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#error "Do not include this file outside the H5MF package!"
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#endif
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#ifndef _H5MFpkg_H
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#define _H5MFpkg_H
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/* Get package's private header */
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#include "H5MFprivate.h"
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/* Other private headers needed by this file */
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#include "H5FSprivate.h" /* File free space */
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/**************************/
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/* Package Private Macros */
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/**************************/
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/* Define this to display information about file allocations */
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/* #define H5MF_ALLOC_DEBUG */
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/* Define this to display more information about file allocations */
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/* #define H5MF_ALLOC_DEBUG_MORE */
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/* Define this to display more information about block aggregator actions */
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/* #define H5MF_AGGR_DEBUG */
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/* Define this to dump free space tracker contents after they've been modified */
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/* #define H5MF_ALLOC_DEBUG_DUMP */
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/* Free space section types for file */
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/* (values stored in free space data structures in file) */
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#define H5MF_FSPACE_SECT_SIMPLE 0 /* Section is a range of actual bytes in file */
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/****************************/
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/* Package Private Typedefs */
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/****************************/
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/* File free space section info */
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typedef struct H5MF_free_section_t {
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H5FS_section_info_t sect_info; /* Free space section information (must be first in struct) */
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#ifdef NOT_YET
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union {
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struct {
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H5HF_indirect_t *parent; /* Indirect block parent for free section's direct block */
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unsigned par_entry; /* Entry of free section's direct block in parent indirect block */
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} single;
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struct {
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struct H5HF_free_section_t *under; /* Pointer to indirect block underlying row section */
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unsigned row; /* Row for range of blocks */
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unsigned col; /* Column for range of blocks */
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unsigned num_entries; /* Number of entries covered */
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/* Fields that aren't stored */
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hbool_t checked_out; /* Flag to indicate that a row section is temporarily out of the free space manager */
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} row;
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struct {
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/* Holds either a pointer to an indirect block (if its "live") or
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* the block offset of it's indirect block (if its "serialized")
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* (This allows the indirect block that the section is within to
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* be compared with other sections, whether it's serialized
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* or not)
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*/
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union {
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H5HF_indirect_t *iblock; /* Indirect block for free section */
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hsize_t iblock_off; /* Indirect block offset in "heap space" */
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} u;
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unsigned row; /* Row for range of blocks */
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unsigned col; /* Column for range of blocks */
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unsigned num_entries; /* Number of entries covered */
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/* Fields that aren't stored */
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struct H5HF_free_section_t *parent; /* Pointer to "parent" indirect section */
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unsigned par_entry; /* Entry within parent indirect section */
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hsize_t span_size; /* Size of space tracked, in "heap space" */
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unsigned iblock_entries; /* Number of entries in indirect block where section is located */
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unsigned rc; /* Reference count of outstanding row & child indirect sections */
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unsigned dir_nrows; /* Number of direct rows in section */
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struct H5HF_free_section_t **dir_rows; /* Array of pointers to outstanding row sections */
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unsigned indir_nents; /* Number of indirect entries in section */
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struct H5HF_free_section_t **indir_ents; /* Array of pointers to outstanding child indirect sections */
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} indirect;
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} u;
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#endif /* NOT_YET */
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} H5MF_free_section_t;
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/* Type of "container shrink" operation to perform */
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typedef enum {
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H5MF_SHRINK_EOA, /* Section should shrink the EOA value */
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H5MF_SHRINK_AGGR_ABSORB_SECT, /* Section should merge into the aggregator block */
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H5MF_SHRINK_SECT_ABSORB_AGGR /* Aggregator block should merge into the section */
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} H5MF_shrink_type_t;
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/* User data for free space manager section callbacks */
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typedef struct H5MF_sect_ud_t {
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/* Down */
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H5F_t *f; /* Pointer to file to operate on */
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hid_t dxpl_id; /* DXPL for VFD operations */
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H5FD_mem_t alloc_type; /* Type of memory being allocated */
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hbool_t allow_sect_absorb; /* Whether sections are allowed to absorb a block aggregator */
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hbool_t allow_eoa_shrink_only; /* Whether shrinking eoa is allowed only for the section */
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/* Up */
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H5MF_shrink_type_t shrink; /* Type of shrink operation to perform */
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H5F_blk_aggr_t *aggr; /* Aggregator block to operate on */
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} H5MF_sect_ud_t;
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/*****************************/
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/* Package Private Variables */
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/*****************************/
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/* H5MF single section inherits serializable properties from H5FS_section_class_t */
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H5_DLLVAR H5FS_section_class_t H5MF_FSPACE_SECT_CLS_SIMPLE[1];
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/******************************/
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/* Package Private Prototypes */
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/******************************/
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/* Allocator routines */
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H5_DLL herr_t H5MF_alloc_open(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type);
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H5_DLL herr_t H5MF_alloc_start(H5F_t *f, hid_t dxpl_id, H5FD_mem_t type);
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H5_DLL herr_t H5MF_sects_dump(H5F_t *f, hid_t dxpl_id, FILE *stream);
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/* 'simple' section routines */
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H5_DLL H5MF_free_section_t *H5MF_sect_simple_new(haddr_t sect_off,
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hsize_t sect_size);
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H5_DLL htri_t H5MF_sect_simple_can_shrink(const H5FS_section_info_t *_sect,
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void *udata);
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H5_DLL herr_t H5MF_sect_simple_shrink(H5FS_section_info_t **_sect,
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void *udata);
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H5_DLL herr_t H5MF_sect_simple_free(H5FS_section_info_t *sect);
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/* Block aggregator routines */
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H5_DLL haddr_t H5MF_aggr_alloc(H5F_t *f, hid_t dxpl_id, H5F_blk_aggr_t *aggr,
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H5F_blk_aggr_t *other_aggr, H5FD_mem_t type, hsize_t size);
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H5_DLL htri_t H5MF_aggr_try_extend(H5F_t *f, H5F_blk_aggr_t *aggr,
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H5FD_mem_t type, haddr_t abs_blk_end, hsize_t extra_requested);
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H5_DLL htri_t H5MF_aggr_can_absorb(const H5F_t *f, const H5F_blk_aggr_t *aggr,
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const H5MF_free_section_t *sect, H5MF_shrink_type_t *shrink);
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H5_DLL herr_t H5MF_aggr_absorb(const H5F_t *f, H5F_blk_aggr_t *aggr,
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H5MF_free_section_t *sect, hbool_t allow_sect_absorb);
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H5_DLL herr_t H5MF_aggr_query(const H5F_t *f, const H5F_blk_aggr_t *aggr,
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haddr_t *addr, hsize_t *size);
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/* Testing routines */
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#ifdef H5MF_TESTING
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#endif /* H5MF_TESTING */
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#endif /* _H5MFpkg_H */
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