Internalize trace listener API and bt_ctf_trace_get_metadata_string()

[babeltrace.git] / include / babeltrace / ctf-ir / trace-internal.h

diff --git a/include/babeltrace/ctf-ir/trace-internal.h b/include/babeltrace/ctf-ir/trace-internal.h
index 619104d339278d60894cb9ac83e921edb2d844de..f49e85bc1d09d7f7dbf1d013a8bda0ebeaf43c54 100644 (file)
--- a/include/babeltrace/ctf-ir/trace-internal.h
+++ b/include/babeltrace/ctf-ir/trace-internal.h
@@ -119,7 +119,21 @@ is modified, \p listener is called with the new element and with
 @prenotnull{listener}
 @postrefcountsame{trace_class}
 */
-extern int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace_class,
+BT_HIDDEN
+int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace_class,
                bt_ctf_listener_cb listener, void *data);
 
+/*
+ * bt_ctf_trace_get_metadata_string: get metadata string.
+ *
+ * Get the trace's TSDL metadata. The caller assumes the ownership of the
+ * returned string.
+ *
+ * @param trace Trace instance.
+ *
+ * Returns the metadata string on success, NULL on error.
+ */
+BT_HIDDEN
+char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace);
+
 #endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */