summaryrefslogtreecommitdiffstats
path: root/src/H5FLprivate.h
blob: 641a6305a5bb0f7e26fed6b8a1b2357a8d2cc65e (plain)
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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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. *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*-------------------------------------------------------------------------
 *
 * Created:		H5FLprivate.h
 *			Mar 23 2000
 *			Quincey Koziol <koziol@ncsa.uiuc.edu>
 *
 * Purpose:		Private non-prototype header.
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
#ifndef _H5FLprivate_H
#define _H5FLprivate_H

/* Public headers needed by this file */
#ifdef LATER
#include "H5FLpublic.h"		/*API prototypes			     */
#endif /* LATER */

/* Private headers needed by this file */

/* Macros for turning off free lists in the library */
/* #define H5_NO_FREE_LISTS */
#if defined H5_NO_FREE_LISTS || defined H5_USING_PURIFY
#define H5_NO_REG_FREE_LISTS
#define H5_NO_ARR_FREE_LISTS
#define H5_NO_SEQ_FREE_LISTS
#define H5_NO_BLK_FREE_LISTS
#endif /* H5_NO_FREE_LISTS */

/*
 * Private datatypes.
 */

/* Data structure to store each block in free list */
typedef struct H5FL_reg_node_t {
    struct H5FL_reg_node_t *next;   /* Pointer to next block in free list */
} H5FL_reg_node_t;

/* Data structure for free list of blocks */
typedef struct H5FL_reg_head_t {
    unsigned init;         /* Whether the free list has been initialized */
    unsigned allocated;    /* Number of blocks allocated */
    unsigned onlist;       /* Number of blocks on free list */
    size_t list_mem;    /* Amount of memory on free list */
    const char *name;   /* Name of the type */
    size_t size;        /* Size of the blocks in the list */
    H5FL_reg_node_t *list;  /* List of free blocks */
} H5FL_reg_head_t;

/*
 * Macros for defining & using free lists for a type
 */
#define H5FL_REG_NAME(t)        H5_##t##_reg_free_list
#ifndef H5_NO_REG_FREE_LISTS
/* Common macros for H5FL_DEFINE & H5FL_DEFINE_STATIC */
#define H5FL_DEFINE_COMMON(t) H5FL_reg_head_t H5FL_REG_NAME(t)={0,0,0,0,#t,sizeof(t),NULL}

/* Declare a free list to manage objects of type 't' */
#define H5FL_DEFINE(t)  H5_DLL H5FL_DEFINE_COMMON(t)

/* Reference a free list for type 't' defined in another file */
#define H5FL_EXTERN(t)  extern H5_DLL H5FL_reg_head_t H5FL_REG_NAME(t)

/* Declare a static free list to manage objects of type 't' */
#define H5FL_DEFINE_STATIC(t)  static H5FL_DEFINE_COMMON(t)

/* Allocate an object of type 't' */
#define H5FL_MALLOC(t) H5FL_reg_malloc(&(H5FL_REG_NAME(t)))

/* Allocate an object of type 't' and clear it to all zeros */
#define H5FL_CALLOC(t) H5FL_reg_calloc(&(H5FL_REG_NAME(t)))

/* Free an object of type 't' */
#define H5FL_FREE(t,obj) H5FL_reg_free(&(H5FL_REG_NAME(t)),obj)

/* Re-allocating an object of type 't' is not defined, because these free-lists
 * only support fixed sized types, like structs, etc..
 */

#else /* H5_NO_REG_FREE_LISTS */
#include "H5MMprivate.h"
/* Common macro for H5FL_DEFINE & H5FL_DEFINE_STATIC */
#define H5FL_DEFINE_COMMON(t) int H5FL_REG_NAME(t)

#define H5FL_DEFINE(t)  H5_DLL H5FL_DEFINE_COMMON(t)
#define H5FL_EXTERN(t)  extern H5_DLL int H5FL_REG_NAME(t)
#define H5FL_DEFINE_STATIC(t)  static H5FL_DEFINE_COMMON(t)
#define H5FL_MALLOC(t) H5MM_malloc(sizeof(t))
#define H5FL_CALLOC(t) H5MM_calloc(sizeof(t))
#define H5FL_FREE(t,obj) H5MM_xfree(obj)
#endif /* H5_NO_REG_FREE_LISTS */

/* Data structure to store information about each block allocated */
typedef union H5FL_blk_list_t {
    size_t size;                /* Size of the page */
    union H5FL_blk_list_t *next;   /* Pointer to next block in free list */
    double unused1;         /* Unused normally, just here for aligment */
    haddr_t unused2;        /* Unused normally, just here for aligment */
} H5FL_blk_list_t;

/* Data structure for priority queue node of block free lists */
typedef struct H5FL_blk_node_t {
    size_t size;                /* Size of the blocks in the list */
    H5FL_blk_list_t *list;      /* List of free blocks */
    struct H5FL_blk_node_t *next;    /* Pointer to next free list in queue */
    struct H5FL_blk_node_t *prev;    /* Pointer to previous free list in queue */
} H5FL_blk_node_t;

/* Data structure for priority queue of native block free lists */
typedef struct H5FL_blk_head_t {
    unsigned init;         /* Whether the free list has been initialized */
    unsigned allocated;    /* Number of blocks allocated */
    unsigned onlist;       /* Number of blocks on free list */
    size_t list_mem;    /* Amount of memory in block on free list */
    const char *name;   /* Name of the type */
    H5FL_blk_node_t *head;  /* Pointer to first free list in queue */
} H5FL_blk_head_t;

/*
 * Macros for defining & using priority queues 
 */
#define H5FL_BLK_NAME(t)        H5_##t##_blk_free_list
#ifndef H5_NO_BLK_FREE_LISTS
/* Common macro for H5FL_BLK_DEFINE & H5FL_BLK_DEFINE_STATIC */
#define H5FL_BLK_DEFINE_COMMON(t) H5FL_blk_head_t H5FL_BLK_NAME(t)={0,0,0,0,#t"_blk",NULL}

/* Declare a free list to manage objects of type 't' */
#define H5FL_BLK_DEFINE(t)  H5_DLL H5FL_BLK_DEFINE_COMMON(t)

/* Reference a free list for type 't' defined in another file */
#define H5FL_BLK_EXTERN(t)  extern H5_DLL H5FL_blk_head_t H5FL_BLK_NAME(t)

/* Declare a static free list to manage objects of type 't' */
#define H5FL_BLK_DEFINE_STATIC(t)  static H5FL_BLK_DEFINE_COMMON(t)

/* Allocate an block of type 't' */
#define H5FL_BLK_MALLOC(t,size) H5FL_blk_malloc(&(H5FL_BLK_NAME(t)),size)

/* Allocate an block of type 't' and clear it to zeros */
#define H5FL_BLK_CALLOC(t,size) H5FL_blk_calloc(&(H5FL_BLK_NAME(t)),size)

/* Free a block of type 't' */
#define H5FL_BLK_FREE(t,blk) H5FL_blk_free(&(H5FL_BLK_NAME(t)),blk)

/* Re-allocate a block of type 't' */
#define H5FL_BLK_REALLOC(t,blk,new_size) H5FL_blk_realloc(&(H5FL_BLK_NAME(t)),blk,new_size)

/* Check if there is a free block available to re-use */
#define H5FL_BLK_AVAIL(t,size)  H5FL_blk_free_block_avail(&(H5FL_BLK_NAME(t)),size)

#else /* H5_NO_BLK_FREE_LISTS */
/* Common macro for H5FL_BLK_DEFINE & H5FL_BLK_DEFINE_STATIC */
#define H5FL_BLK_DEFINE_COMMON(t) int H5FL_BLK_NAME(t)

#define H5FL_BLK_DEFINE(t)      H5_DLL H5FL_BLK_DEFINE_COMMON(t)
#define H5FL_BLK_EXTERN(t)      extern H5_DLL int H5FL_BLK_NAME(t)
#define H5FL_BLK_DEFINE_STATIC(t)  static H5FL_BLK_DEFINE_COMMON(t)
#define H5FL_BLK_MALLOC(t,size) H5MM_malloc(size)
#define H5FL_BLK_CALLOC(t,size) H5MM_calloc(size)
#define H5FL_BLK_FREE(t,blk) H5MM_xfree(blk)
#define H5FL_BLK_REALLOC(t,blk,new_size) H5MM_realloc(blk,new_size)
#define H5FL_BLK_AVAIL(t,size)  (FALSE)
#endif /* H5_NO_BLK_FREE_LISTS */

/* Data structure to store each array in free list */
typedef union H5FL_arr_list_t {
    union H5FL_arr_list_t *next;   /* Pointer to next block in free list */
    size_t nelem;               /* Number of elements in this array */
    double unused1;             /* Unused normally, just here for aligment */
    haddr_t unused2;            /* Unused normally, just here for aligment */
} H5FL_arr_list_t;

/* Data structure for each size of array element */
typedef struct H5FL_arr_node_t {
    size_t size;                /* Size of the blocks in the list */
    unsigned onlist;            /* Number of blocks on free list */
    H5FL_arr_list_t *list;      /* List of free blocks */
} H5FL_arr_node_t;

/* Data structure for free list of array blocks */
typedef struct H5FL_arr_head_t {
    unsigned init;         /* Whether the free list has been initialized */
    unsigned allocated;    /* Number of blocks allocated */
    size_t list_mem;       /* Amount of memory in block on free list */
    const char *name;      /* Name of the type */
    int  maxelem;          /* Maximum number of elements in an array */
    size_t size;           /* Size of the array elements in the list */
    H5FL_arr_node_t *list_arr;  /* Array of lists of free blocks */
} H5FL_arr_head_t;

/*
 * Macros for defining & using free lists for an array of a type
 */
#define H5FL_ARR_NAME(t)        H5_##t##_arr_free_list
#ifndef H5_NO_ARR_FREE_LISTS
/* Common macro for H5FL_BLK_DEFINE & H5FL_BLK_DEFINE_STATIC */
#define H5FL_ARR_DEFINE_COMMON(t,m) H5FL_arr_head_t H5FL_ARR_NAME(t)={0,0,0,#t"_arr",m+1,sizeof(t),NULL}

/* Declare a free list to manage arrays of type 't' */
#define H5FL_ARR_DEFINE(t,m)  H5_DLL H5FL_ARR_DEFINE_COMMON(t,m)

/* Reference a free list for arrays of type 't' defined in another file */
#define H5FL_ARR_EXTERN(t)  extern H5_DLL H5FL_arr_head_t H5FL_ARR_NAME(t)

/* Declare a static free list to manage arrays of type 't' */
#define H5FL_ARR_DEFINE_STATIC(t,m)  static H5FL_ARR_DEFINE_COMMON(t,m)

/* Allocate an array of type 't' */
#define H5FL_ARR_MALLOC(t,elem) H5FL_arr_malloc(&(H5FL_ARR_NAME(t)),elem)

/* Allocate an array of type 't' and clear it to all zeros */
#define H5FL_ARR_CALLOC(t,elem) H5FL_arr_calloc(&(H5FL_ARR_NAME(t)),elem)

/* Free an array of type 't' */
#define H5FL_ARR_FREE(t,obj) H5FL_arr_free(&(H5FL_ARR_NAME(t)),obj)

/* Re-allocate an array of type 't' */
#define H5FL_ARR_REALLOC(t,obj,new_elem) H5FL_arr_realloc(&(H5FL_ARR_NAME(t)),obj,new_elem)

#else /* H5_NO_ARR_FREE_LISTS */
/* Common macro for H5FL_ARR_DEFINE & H5FL_ARR_DEFINE_STATIC */
#define H5FL_ARR_DEFINE_COMMON(t,m) int H5FL_ARR_NAME(t)

#define H5FL_ARR_DEFINE(t,m)    H5_DLL H5FL_ARR_DEFINE_COMMON(t,m)
#define H5FL_ARR_EXTERN(t)      extern H5_DLL int H5FL_ARR_NAME(t)
#define H5FL_ARR_DEFINE_STATIC(t,m)  static H5FL_ARR_DEFINE_COMMON(t,m)
#define H5FL_ARR_MALLOC(t,elem) H5MM_malloc((elem)*sizeof(t))
#define H5FL_ARR_CALLOC(t,elem) H5MM_calloc((elem)*sizeof(t))
#define H5FL_ARR_FREE(t,obj) H5MM_xfree(obj)
#define H5FL_ARR_REALLOC(t,obj,new_elem) H5MM_realloc(obj,(new_elem)*sizeof(t))
#endif /* H5_NO_ARR_FREE_LISTS */

/* Data structure for free list of sequence blocks */
typedef struct H5FL_seq_head_t {
    H5FL_blk_head_t queue;      /* Priority queue of sequence blocks */
    size_t size;                /* Size of the sequence elements in the list */
} H5FL_seq_head_t;

/*
 * Macros for defining & using free lists for a sequence of a type
 *
 * Sequences are like arrays, except they have no upper limit.
 *
 */
#define H5FL_SEQ_NAME(t)        H5_##t##_seq_free_list
#ifndef H5_NO_SEQ_FREE_LISTS
/* Common macro for H5FL_SEQ_DEFINE & H5FL_SEQ_DEFINE_STATIC */
#define H5FL_SEQ_DEFINE_COMMON(t) H5FL_seq_head_t H5FL_SEQ_NAME(t)={{0,0,0,0,#t"_seq",NULL},sizeof(t)}

/* Declare a free list to manage sequences of type 't' */
#define H5FL_SEQ_DEFINE(t)  H5_DLL H5FL_SEQ_DEFINE_COMMON(t)

/* Reference a free list for sequences of type 't' defined in another file */
#define H5FL_SEQ_EXTERN(t)  extern H5_DLL H5FL_seq_head_t H5FL_SEQ_NAME(t)

/* Declare a static free list to manage sequences of type 't' */
#define H5FL_SEQ_DEFINE_STATIC(t)  static H5FL_SEQ_DEFINE_COMMON(t)

/* Allocate a sequence of type 't' */
#define H5FL_SEQ_MALLOC(t,elem) H5FL_seq_malloc(&(H5FL_SEQ_NAME(t)),elem)

/* Allocate a sequence of type 't' and clear it to all zeros */
#define H5FL_SEQ_CALLOC(t,elem) H5FL_seq_calloc(&(H5FL_SEQ_NAME(t)),elem)

/* Free a sequence of type 't' */
#define H5FL_SEQ_FREE(t,obj) H5FL_seq_free(&(H5FL_SEQ_NAME(t)),obj)

/* Re-allocate a sequence of type 't' */
#define H5FL_SEQ_REALLOC(t,obj,new_elem) H5FL_seq_realloc(&(H5FL_SEQ_NAME(t)),obj,new_elem)

#else /* H5_NO_SEQ_FREE_LISTS */
/* Common macro for H5FL_BLK_DEFINE & H5FL_BLK_DEFINE_STATIC */
#define H5FL_SEQ_DEFINE_COMMON(t) int H5FL_SEQ_NAME(t)

#define H5FL_SEQ_DEFINE(t)      H5_DLL H5FL_SEQ_DEFINE_COMMON(t)
#define H5FL_SEQ_EXTERN(t)      extern H5_DLL int H5FL_SEQ_NAME(t)
#define H5FL_SEQ_DEFINE_STATIC(t)  static H5FL_SEQ_DEFINE_COMMON(t)
#define H5FL_SEQ_MALLOC(t,elem) H5MM_malloc((elem)*sizeof(t))
#define H5FL_SEQ_CALLOC(t,elem) H5MM_calloc((elem)*sizeof(t))
#define H5FL_SEQ_FREE(t,obj) H5MM_xfree(obj)
#define H5FL_SEQ_REALLOC(t,obj,new_elem) H5MM_realloc(obj,(new_elem)*sizeof(t))
#endif /* H5_NO_SEQ_FREE_LISTS */

/*
 * Library prototypes.
 */
H5_DLL void * H5FL_blk_malloc(H5FL_blk_head_t *head, size_t size);
H5_DLL void * H5FL_blk_calloc(H5FL_blk_head_t *head, size_t size);
H5_DLL void * H5FL_blk_free(H5FL_blk_head_t *head, void *block);
H5_DLL void * H5FL_blk_realloc(H5FL_blk_head_t *head, void *block, size_t new_size);
H5_DLL htri_t H5FL_blk_free_block_avail(H5FL_blk_head_t *head, size_t size);
H5_DLL void * H5FL_reg_malloc(H5FL_reg_head_t *head);
H5_DLL void * H5FL_reg_calloc(H5FL_reg_head_t *head);
H5_DLL void * H5FL_reg_free(H5FL_reg_head_t *head, void *obj);
H5_DLL void * H5FL_arr_malloc(H5FL_arr_head_t *head, size_t elem);
H5_DLL void * H5FL_arr_calloc(H5FL_arr_head_t *head, size_t elem);
H5_DLL void * H5FL_arr_free(H5FL_arr_head_t *head, void *obj);
H5_DLL void * H5FL_arr_realloc(H5FL_arr_head_t *head, void *obj, size_t new_elem);
H5_DLL void * H5FL_seq_malloc(H5FL_seq_head_t *head, size_t elem);
H5_DLL void * H5FL_seq_calloc(H5FL_seq_head_t *head, size_t elem);
H5_DLL void * H5FL_seq_free(H5FL_seq_head_t *head, void *obj);
H5_DLL void * H5FL_seq_realloc(H5FL_seq_head_t *head, void *obj, size_t new_elem);
H5_DLL herr_t H5FL_garbage_coll(void);
H5_DLL herr_t H5FL_set_free_list_limits(int reg_global_lim, int reg_list_lim,
    int arr_global_lim, int arr_list_lim, int blk_global_lim, int blk_list_lim);
H5_DLL int   H5FL_term_interface(void);

#endif