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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/****************/
/* Module Setup */
/****************/
#include "H5SMmodule.h" /* This source code file is part of the H5SM module */
#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 "H5Fprivate.h" /* File access */
#include "H5FLprivate.h" /* Free Lists */
#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
*
*-------------------------------------------------------------------------
*/
herr_t
H5SM__get_mesg_count_test(H5F_t *f, 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_PACKAGE_TAG(H5AC__SOHM_TAG)
/* Sanity check */
assert(f);
assert(mesg_count);
/* Check for shared messages being enabled */
if (H5_addr_defined(H5F_SOHM_ADDR(f))) {
H5SM_index_header_t *header; /* Index header for message type */
H5SM_table_cache_ud_t cache_udata; /* User-data for callback */
ssize_t index_num; /* Table index for message type */
/* Set up user data for callback */
cache_udata.f = f;
/* Look up the master SOHM table */
if (NULL == (table = (H5SM_master_table_t *)H5AC_protect(f, H5AC_SOHM_TABLE, H5F_SOHM_ADDR(f),
&cache_udata, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_SOHM, 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, H5AC_SOHM_TABLE, H5F_SOHM_ADDR(f), table, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_SOHM, H5E_CANTUNPROTECT, FAIL, "unable to close SOHM master table");
FUNC_LEAVE_NOAPI_TAG(ret_value)
} /* end H5SM__get_mesg_count_test() */
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