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authorQuincey Koziol <koziol@hdfgroup.org>2006-02-27 14:52:21 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2006-02-27 14:52:21 (GMT)
commit658bf4a8fb16cd3334b3fbfa2628226ffc20931f (patch)
treefea930220af70816b8ee849a24bb0c0e47c3acb9 /src/H5HFint.c
parent3713db1174ff83154ff63f93b4ba512eebed9748 (diff)
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[svn-r11968] Purpose:
Incrementtal checkin Description: Revise & update v2 B-tree code to separate the internal package-specific routines from the library-callable "private" routines. Similar updates for the fractal heap code. Platforms tested: FreeBSD 4.11 (sleipnir) Mac OSX (amazon)
Diffstat (limited to 'src/H5HFint.c')
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diff --git a/src/H5HFint.c b/src/H5HFint.c
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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() */
+