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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/****************/
/* Module Setup */
/****************/
#define H5F_PACKAGE /*suppress error about including H5Fpkg */
#define H5SM_PACKAGE /*suppress error about including H5SMpkg */
#define H5SM_TESTING /*suppress warning about H5SM testing funcs*/
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5Eprivate.h" /* Error handling */
#include "H5Fpkg.h" /* File access */
#include "H5SMpkg.h" /* Shared object header messages */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*-------------------------------------------------------------------------
* Function: H5SM_get_mesg_count_test
*
* Purpose: Retrieve the number of messages tracked of a certain type
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Wednesday, January 3, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5SM_get_mesg_count_test(H5F_t *f, hid_t dxpl_id, unsigned type_id,
size_t *mesg_count)
{
H5SM_master_table_t *table = NULL; /* SOHM master table */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5SM_get_mesg_count_test)
/* Sanity check */
HDassert(f);
HDassert(mesg_count);
/* Check for shared messages being enabled */
if(H5F_addr_defined(f->shared->sohm_addr)) {
H5SM_index_header_t *header; /* Index header for message type */
hsize_t table_size; /* Size of SOHM master table in file */
ssize_t index_num; /* Table index for message type */
/* Determine size of table in file */
table_size = (hsize_t) H5SM_TABLE_SIZE(f) + (hsize_t)(f->shared->sohm_nindexes * H5SM_INDEX_HEADER_SIZE(f));
/* Look up the master SOHM table */
if(NULL == (table = (H5SM_master_table_t *)H5AC_protect(f, dxpl_id, H5AC_SOHM_TABLE, f->shared->sohm_addr, (size_t)table_size, f, H5AC_READ)))
HGOTO_ERROR(H5E_CACHE, H5E_CANTPROTECT, FAIL, "unable to load SOHM master table")
/* Find the correct index for this message type */
if((index_num = H5SM_get_index(table, type_id)) < 0)
HGOTO_ERROR(H5E_SOHM, H5E_NOTFOUND, FAIL, "unable to find correct SOHM index")
header = &(table->indexes[index_num]);
/* Set the message count for the type */
*mesg_count = header->num_messages;
} /* end if */
else
/* No shared messages of any type */
*mesg_count = 0;
done:
/* Release resources */
if(table && H5AC_unprotect(f, dxpl_id, H5AC_SOHM_TABLE, f->shared->sohm_addr, (size_t)0, table, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_CACHE, H5E_CANTRELEASE, FAIL, "unable to close SOHM master table")
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5SM_get_mesg_count_test() */
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