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- /*
- * $RCSfile: parentDestroyPending.c,v $
- * $Revision: 1.1.1.1 $
- * $Date: 1996/05/04 21:55:33 $
- */
- /**********************************************************************
- * EXODUS Database Toolkit Software
- * Copyright (c) 1991 Computer Sciences Department, University of
- * Wisconsin -- Madison
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * THE COMPUTER SCIENCES DEPARTMENT OF THE UNIVERSITY OF WISCONSIN --
- * MADISON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.
- * THE DEPARTMENT DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
- * WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * The EXODUS Project Group requests users of this software to return
- * any improvements or extensions that they make to:
- *
- * EXODUS Project Group
- * c/o David J. DeWitt and Michael J. Carey
- * Computer Sciences Department
- * University of Wisconsin -- Madison
- * Madison, WI 53706
- *
- * or exodus@cs.wisc.edu
- *
- * In addition, the EXODUS Project Group requests that users grant the
- * Computer Sciences Department rights to redistribute these changes.
- **********************************************************************/
-
- #include <stdio.h>
- #include "ess.h"
- #include "checking.h"
- #include "io.h"
- #include "object.h"
- #include "trace.h"
- #include "error.h"
- #include "list.h"
- #include "pool.h"
- #include "bf_external_group.h"
- #include "version_graph.h"
- #include "version_funcs.h"
- #include "sm_macro.h"
-
- /*
- * ParentDestroyPending() sees if the parent of the version is marked
- * destroy-pending and has all its children frozen. If so, it returns
- * TRUE, otherwise false
- */
-
- BOOL
- parentDestroyPending(
- VERSIONGRAPH *graph, /* graph containing node */
- VHGNODEID nodeId, /* node to check parent of */
- OID *pendingOid /* object pending destruction */
- )
- {
- VHGNODE* node;
- VHGNODE* parent;
-
- TRPRINT(TR_VERSION, TR_LEVEL_1, ("checking node %d \n", nodeId) );
-
- CHECK_VERSIONGRAPH_MAGIC(graph);
-
- /*
- * Validate nodeId
- */
- if (nodeId >= graph->nodeCount) {
- SM_ERROR(TYPE_WARNING, esmINTERNAL);
- return(FALSE);
- }
-
- /*
- * Get a pointer to the node
- */
- node = &graph->nodeArray[nodeId];
-
- /*
- * Do some defensive error checking.
- */
- CHECK_VHGNODE_MAGIC(node);
-
- /*
- * See if the node has a parent, and if so, get it
- */
- if (node->parentId != VHGNULLNODE) {
- parent = &graph->nodeArray[node->parentId];
- } else {
- /*
- * no parent
- */
- return(FALSE);
- }
-
- if ( (parent->flags & V_destroy_pending) &&
- !workingChildren(graph, node->parentId)) {
-
- /*
- * Return the parent's oid
- */
- *pendingOid = parent->oid;
- return(TRUE);
- }
-
- return(FALSE);
- }
-