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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: H5HFint.c
* Feb 24 2006
* Quincey Koziol <koziol@ncsa.uiuc.edu>
*
* Purpose: "Internal" routines for fractal heaps.
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#define H5HF_PACKAGE /*suppress error about including H5HFpkg */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5HFpkg.h" /* Fractal heaps */
#include "H5Eprivate.h" /* Error handling */
#include "H5MFprivate.h" /* File memory management */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
static herr_t H5HF_shared_free(void *_shared);
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/* Declare a free list to manage the H5HF_shared_t struct */
H5FL_DEFINE_STATIC(H5HF_shared_t);
/*-------------------------------------------------------------------------
* Function: H5HF_shared_init
*
* Purpose: Allocate & initialize shared fractal heap info
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* koziol@ncsa.uiuc.edu
* Feb 24 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5HF_shared_init(H5HF_t *fh, H5HF_create_t *cparam)
{
H5HF_shared_t *shared = NULL; /* Shared fractal heap information */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5HF_shared_init)
/* Allocate space for the shared information */
if(NULL == (shared = H5FL_CALLOC(H5HF_shared_t)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for fractal heap shared information")
/* Set the creation parameters for the heap */
shared->addrmap = cparam->addrmap;
shared->standalone_size = cparam->standalone_size;
shared->fixed_len_size = cparam->fixed_len_size;
/* Make shared B-tree info reference counted */
if(NULL == (fh->shared = H5RC_create(shared, H5HF_shared_free)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create ref-count wrapper for shared fractal heap info")
done:
if(ret_value < 0)
if(shared)
H5HF_shared_free(shared);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5HF_shared_init() */
/*-------------------------------------------------------------------------
* Function: H5HF_shared_free
*
* Purpose: Free shared fractal heap info
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* koziol@ncsa.uiuc.edu
* Feb 24 2006
*
*-------------------------------------------------------------------------
*/
static herr_t
H5HF_shared_free(void *_shared)
{
H5HF_shared_t *shared = (H5HF_shared_t *)_shared;
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_shared_free)
/* Sanity check */
HDassert(shared);
/* Free the shared info itself */
H5FL_FREE(H5HF_shared_t, shared);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5HF_shared_free() */
/*-------------------------------------------------------------------------
* Function: H5HF_alloc_end
*
* Purpose: Allocate space for an object at the end of the heap
*
* Return: Non-negative on success (with heap ID of new object
* filled in), negative on failure
*
* Programmer: Quincey Koziol
* koziol@ncsa.uiuc.edu
* Feb 27 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5HF_man_alloc_end(H5HF_shared_t *shared, size_t size, const void *obj,
void *id/*out*/)
{
herr_t ret_value = SUCCEED;
FUNC_ENTER_NOAPI_NOINIT(H5HF_man_alloc_end)
/*
* Check arguments.
*/
HDassert(shared);
HDassert(size > 0);
HDassert(obj);
HDassert(id);
/* Check if this is the first object in the heap */
if(shared->next_man_block == 0) {
if(size /* + H5HF_DIRECT_OVERHEAD */ <= shared->man_dtable_info.start_block_size) {
} /* end if */
else {
} /* end else */
#ifdef QAK
HDfprintf(stderr, "%s: size = %Zu\n", FUNC, size);
HGOTO_ERROR(H5E_HEAP, H5E_UNSUPPORTED, FAIL, "allocating first object not supported yet")
#endif /* QAK */
} /* end if */
else {
HDfprintf(stderr, "%s: size = %Zu\n", FUNC, size);
HGOTO_ERROR(H5E_HEAP, H5E_UNSUPPORTED, FAIL, "allocating objects at end of heap not supported yet")
} /* end else */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5HF_alloc_end() */
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