1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol
* Wednesday, July 9, 2003
*
* Purpose: This file contains declarations which are visible
* only within the H5HL package. Source files outside the
* H5HL package should include H5HLprivate.h instead.
*/
#if !(defined H5HL_FRIEND || defined H5HL_MODULE)
#error "Do not include this file outside the H5HL package!"
#endif
#ifndef _H5HLpkg_H
#define _H5HLpkg_H
/* Get package's private header */
#include "H5HLprivate.h"
/* Other private headers needed by this file */
#include "H5FLprivate.h" /* Free lists */
/*****************************/
/* Package Private Variables */
/*****************************/
/* Declare extern the free list to manage the H5HL_free_t struct */
H5FL_EXTERN(H5HL_free_t);
/* Declare extern the PQ free list to manage the heap chunk information */
H5FL_BLK_EXTERN(lheap_chunk);
/**************************/
/* Package Private Macros */
/**************************/
/* If this package header is being included in one of the H5HL source files,
* define the proper control macros for the generic FUNC_ENTER/LEAVE and
* error reporting macros.
*/
#ifdef H5HL_PACKAGE
#define H5_MY_PKG H5HL
#define H5_MY_PKG_ERR H5E_HEAP
#define H5_MY_PKG_INIT NO
#endif /* H5HL_PACKAGE */
#define H5HL_SIZEOF_HDR(F) \
H5HL_ALIGN(H5_SIZEOF_MAGIC + /* heap signature */ \
1 + /* version */ \
3 + /* reserved */ \
H5F_SIZEOF_SIZE(F) + /* data size */ \
H5F_SIZEOF_SIZE(F) + /* free list head */ \
H5F_SIZEOF_ADDR(F)) /* data address */
/* Value indicating end of free list on disk */
#define H5HL_FREE_NULL 1
/****************************/
/* Package Private Typedefs */
/****************************/
typedef struct H5HL_free_t {
size_t offset; /* offset of free block */
size_t size; /* size of free block */
struct H5HL_free_t *prev; /* previous entry in free list */
struct H5HL_free_t *next; /* next entry in free list */
} H5HL_free_t;
/* Forward declarations */
typedef struct H5HL_dblk_t H5HL_dblk_t;
typedef struct H5HL_prfx_t H5HL_prfx_t;
struct H5HL_t {
/* General heap-management fields */
size_t rc; /* Ref. count for prefix & data block using this struct */
size_t prots; /* # of times the heap has been protected */
size_t sizeof_size; /* Size of file sizes */
size_t sizeof_addr; /* Size of file addresses */
hbool_t single_cache_obj; /* Indicate if the heap is a single object in the cache */
H5HL_free_t *freelist; /* the free list */
/* Prefix-specific fields */
H5HL_prfx_t *prfx; /* The prefix object for the heap */
haddr_t prfx_addr; /* address of heap prefix */
size_t prfx_size; /* size of heap prefix */
hsize_t free_block; /* Address of first free block */
/* Data block-specific fields */
H5HL_dblk_t *dblk; /* The data block object for the heap */
haddr_t dblk_addr; /* address of data block */
size_t dblk_size; /* size of heap data block on disk and in mem */
uint8_t * dblk_image; /* The data block image */
};
/* Struct for heap data block */
struct H5HL_dblk_t {
H5AC_info_t cache_info; /* Information for H5AC cache functions, _must_ be */
/* first field in structure */
H5HL_t *heap; /* Pointer to heap for data block */
};
/* Struct for heap prefix */
struct H5HL_prfx_t {
H5AC_info_t cache_info; /* Information for H5AC cache functions, _must_ be */
/* first field in structure */
H5HL_t *heap; /* Pointer to heap for prefix */
};
/* Callback information for loading local heap prefix from disk */
typedef struct H5HL_cache_prfx_ud_t {
size_t sizeof_size; /* Size of file sizes */
size_t sizeof_addr; /* Size of file addresses */
haddr_t prfx_addr; /* Address of prefix */
size_t sizeof_prfx; /* Size of heap prefix */
} H5HL_cache_prfx_ud_t;
/******************************/
/* Package Private Prototypes */
/******************************/
/* Heap routines */
H5_DLL H5HL_t *H5HL__new(size_t sizeof_size, size_t sizeof_addr, size_t prfx_size);
H5_DLL herr_t H5HL__dest(H5HL_t *heap);
H5_DLL herr_t H5HL__inc_rc(H5HL_t *heap);
H5_DLL herr_t H5HL__dec_rc(H5HL_t *heap);
/* Heap prefix routines */
H5_DLL H5HL_prfx_t *H5HL__prfx_new(H5HL_t *heap);
H5_DLL herr_t H5HL__prfx_dest(H5HL_prfx_t *prfx);
/* Heap data block routines */
H5_DLL H5HL_dblk_t *H5HL__dblk_new(H5HL_t *heap);
H5_DLL herr_t H5HL__dblk_dest(H5HL_dblk_t *dblk);
H5_DLL herr_t H5HL__dblk_realloc(H5F_t *f, H5HL_t *heap, size_t new_heap_size);
#endif /* _H5HLpkg_H */
|
