X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=ovsdb%2Frow.h;h=302f61ab1712f5d316c2799590a591f88a9a28e5;hb=abaad8cf1b5089e17a4af0ab1ff644bfcf63cad9;hp=55c4f1426d872699e7cbd3c7719b1bbd6b18cab7;hpb=a4af00400a835eb87569ba40e21874c05e872c0f;p=openvswitch

diff --git a/ovsdb/row.h b/ovsdb/row.h
index 55c4f142..302f61ab 100644
--- a/ovsdb/row.h
+++ b/ovsdb/row.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009 Nicira Networks
+/* Copyright (c) 2009, 2010 Nicira Networks
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,6 +29,13 @@ struct ovsdb_row {
     struct ovsdb_table *table;  /* Table to which this belongs. */
     struct hmap_node hmap_node; /* Element in ovsdb_table's 'rows' hmap. */
     struct ovsdb_txn_row *txn_row; /* Transaction that row is in, if any. */
+
+    /* Number of refs to this row from other rows, in this table or other
+     * tables, through 'uuid' columns that have a 'refTable' constraint
+     * pointing to this table.  A row with nonzero 'n_refs' cannot be deleted.
+     * Updated and checked only at transaction commit. */
+    size_t n_refs;
+
     struct ovsdb_datum fields[];
 };
 
@@ -50,7 +57,7 @@ void ovsdb_row_update_columns(struct ovsdb_row *, const struct ovsdb_row *,
 
 struct ovsdb_error *ovsdb_row_from_json(struct ovsdb_row *,
                                         const struct json *,
-                                        const struct ovsdb_symbol_table *,
+                                        struct ovsdb_symbol_table *,
                                         struct ovsdb_column_set *included)
     WARN_UNUSED_RESULT;
 struct json *ovsdb_row_to_json(const struct ovsdb_row *,