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-rw-r--r--src/H5SMtest.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/H5SMtest.c b/src/H5SMtest.c
index d2ca5d3..20a23e9 100644
--- a/src/H5SMtest.c
+++ b/src/H5SMtest.c
@@ -194,3 +194,58 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5SM_get_refcount_test() */
+
+/*-------------------------------------------------------------------------
+ * 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 */
+ ssize_t index_num; /* Table index for message type */
+
+ /* 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, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_CACHE, H5E_CANTPROTECT, FAIL, "unable to load SOHM master table")
+
+ /* Find the correct index and try to delete from it */
+ 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, 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() */
+