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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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
#ifdef H5_NO_FREE_LISTS
#define H5_NO_REG_FREE_LISTS
#define H5_NO_ARR_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,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_node_t {
union H5FL_arr_node_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_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 */
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 */
int maxelem; /* Maximum number of elements in an array */
size_t size; /* Size of the array elements in the list */
union {
H5FL_arr_node_t **list_arr; /* Array of lists of free blocks */
H5FL_blk_head_t queue; /* Priority queue of array blocks */
}u;
} 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,NULL,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_BLK_DEFINE & H5FL_BLK_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 */
/*
* 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 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
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