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108 lines
4.0 KiB
C
108 lines
4.0 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/****************/
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/* Module Setup */
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/****************/
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#include "H5SMmodule.h" /* This source code file is part of the H5SM module */
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#define H5SM_TESTING /*suppress warning about H5SM testing funcs*/
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/***********/
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/* Headers */
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/***********/
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#include "H5private.h" /* Generic Functions */
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#include "H5ACprivate.h" /* Metadata cache */
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#include "H5Eprivate.h" /* Error handling */
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#include "H5Fprivate.h" /* File access */
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#include "H5FLprivate.h" /* Free Lists */
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#include "H5SMpkg.h" /* Shared object header messages */
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/****************/
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/* Local Macros */
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/****************/
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/******************/
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/* Local Typedefs */
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/******************/
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/********************/
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/* Local Prototypes */
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/********************/
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/*********************/
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/* Package Variables */
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/*********************/
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/*****************************/
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/* Library Private Variables */
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/*****************************/
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/*******************/
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/* Local Variables */
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/*******************/
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/*-------------------------------------------------------------------------
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* Function: H5SM__get_mesg_count_test
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*
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* Purpose: Retrieve the number of messages tracked of a certain type
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*
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* Return: Non-negative on success/Negative on failure
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*
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*-------------------------------------------------------------------------
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*/
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herr_t
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H5SM__get_mesg_count_test(H5F_t *f, unsigned type_id, size_t *mesg_count)
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{
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H5SM_master_table_t *table = NULL; /* SOHM master table */
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herr_t ret_value = SUCCEED; /* Return value */
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FUNC_ENTER_PACKAGE_TAG(H5AC__SOHM_TAG)
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/* Sanity check */
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assert(f);
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assert(mesg_count);
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/* Check for shared messages being enabled */
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if (H5_addr_defined(H5F_SOHM_ADDR(f))) {
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H5SM_index_header_t *header; /* Index header for message type */
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H5SM_table_cache_ud_t cache_udata; /* User-data for callback */
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ssize_t index_num; /* Table index for message type */
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/* Set up user data for callback */
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cache_udata.f = f;
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/* Look up the master SOHM table */
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if (NULL == (table = (H5SM_master_table_t *)H5AC_protect(f, H5AC_SOHM_TABLE, H5F_SOHM_ADDR(f),
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&cache_udata, H5AC__READ_ONLY_FLAG)))
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HGOTO_ERROR(H5E_SOHM, H5E_CANTPROTECT, FAIL, "unable to load SOHM master table");
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/* Find the correct index for this message type */
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if ((index_num = H5SM__get_index(table, type_id)) < 0)
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HGOTO_ERROR(H5E_SOHM, H5E_NOTFOUND, FAIL, "unable to find correct SOHM index");
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header = &(table->indexes[index_num]);
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/* Set the message count for the type */
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*mesg_count = header->num_messages;
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} /* end if */
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else
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/* No shared messages of any type */
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*mesg_count = 0;
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done:
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/* Release resources */
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if (table && H5AC_unprotect(f, H5AC_SOHM_TABLE, H5F_SOHM_ADDR(f), table, H5AC__NO_FLAGS_SET) < 0)
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HDONE_ERROR(H5E_SOHM, H5E_CANTUNPROTECT, FAIL, "unable to close SOHM master table");
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FUNC_LEAVE_NOAPI_TAG(ret_value)
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} /* end H5SM__get_mesg_count_test() */
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