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Diffstat (limited to 'src/H5MPpkg.h')
| -rw-r--r-- | src/H5MPpkg.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/H5MPpkg.h b/src/H5MPpkg.h new file mode 100644 index 0000000..3dc4bab --- /dev/null +++ b/src/H5MPpkg.h @@ -0,0 +1,105 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* + * Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu> + * Monday, May 2, 2005 + * + * Purpose: This file contains declarations which are visible only within + * the H5MP package. Source files outside the H5MP package should + * include H5MPprivate.h instead. + */ +#ifndef H5MP_PACKAGE +#error "Do not include this file outside the H5MP package!" +#endif + +#ifndef _H5MPpkg_H +#define _H5MPpkg_H + +/* Get package's private header */ +#include "H5MPprivate.h" /* Memory Pools */ + +/* Other private headers needed by this file */ +#include "H5FLprivate.h" /* Free Lists */ + +/**************************/ +/* Package Private Macros */ +/**************************/ + +/* Alignment macros */ +/* (Ideas from Apache APR :-) */ + +/* Default alignment necessary */ +#define H5MP_BLOCK_ALIGNMENT 8 + +/* General alignment macro */ +/* (this only works for aligning to power of 2 boundary) */ +#define H5MP_ALIGN(x, a) \ + (((x) + ((size_t)(a)) - 1) & ~(((size_t)(a)) - 1)) + +/* Default alignment */ +#define H5MP_BLOCK_ALIGN(x) H5MP_ALIGN(x, H5MP_BLOCK_ALIGNMENT) + + +/****************************/ +/* Package Private Typedefs */ +/****************************/ + +/* Free block in pool */ +typedef struct H5MP_page_blk_t { + size_t size; /* Size of block (includes this H5MP_page_blk_t info) */ + unsigned is_free:1; /* Flag to indicate the block is free */ + struct H5MP_page_t *page; /* Pointer to page block is located in */ + struct H5MP_page_blk_t *prev; /* Pointer to previous block in page */ + struct H5MP_page_blk_t *next; /* Pointer to next block in page */ +} H5MP_page_blk_t; + +/* Memory pool page */ +typedef struct H5MP_page_t { + size_t free_size; /* Total amount of free space in page */ + unsigned fac_alloc:1; /* Flag to indicate the page was allocated by the pool's factory */ + H5MP_page_blk_t *free_blk; /* Pointer to first free block in page */ + struct H5MP_page_t *next; /* Pointer to next page in pool */ + struct H5MP_page_t *prev; /* Pointer to previous page in pool */ +} H5MP_page_t; + +/* Memory pool header */ +struct H5MP_pool_t { + H5FL_fac_head_t *page_fac; /* Free-list factory for pages */ + size_t page_size; /* Page size for pool */ + size_t free_size; /* Total amount of free space in pool */ + size_t max_size; /* Maximum block that will fit in a standard page */ + H5MP_page_t *first; /* Pointer to first page in pool */ + unsigned flags; /* Bit flags for pool settings */ +}; + + +/*****************************************/ +/* Package Private Variable Declarations */ +/*****************************************/ + + +/******************************/ +/* Package Private Prototypes */ +/******************************/ +#ifdef H5MP_TESTING +H5_DLL herr_t H5MP_get_pool_free_size (const H5MP_pool_t *mp, size_t *free_size); +H5_DLL htri_t H5MP_pool_is_free_size_correct(const H5MP_pool_t *mp); +H5_DLL herr_t H5MP_get_pool_first_page(const H5MP_pool_t *mp, H5MP_page_t **page); +H5_DLL herr_t H5MP_get_page_free_size(const H5MP_page_t *mp, size_t *page); +H5_DLL herr_t H5MP_get_page_next_page(const H5MP_page_t *page, H5MP_page_t **next_page); +#endif /* H5MP_TESTING */ + +#endif /* _H5MPpkg_H */ + |