-struct ovsdb_error *ovsdb_log_open(const char *name, int flags,
- struct ovsdb_log **) WARN_UNUSED_RESULT;
+/* Access mode for opening an OVSDB log. */
+enum ovsdb_log_open_mode {
+ OVSDB_LOG_READ_ONLY, /* Open existing file, read-only. */
+ OVSDB_LOG_READ_WRITE, /* Open existing file, read/write. */
+ OVSDB_LOG_CREATE /* Create new file, read/write. */
+};
+
+struct ovsdb_error *ovsdb_log_open(const char *name, enum ovsdb_log_open_mode,
+ int locking, struct ovsdb_log **)
+ WARN_UNUSED_RESULT;