X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Ftrace.h;h=29b60980cac2bbb37d9c52058517b27c419ca860;hp=d85a4bead08185a57d2b01ac2d70c1a38766defc;hb=4841ccc167f5f99267a0c129a1e79214b60f553c;hpb=32fe3f28047342b3b0ad04ce0c03bfb97e11127f

diff --git a/include/babeltrace/ctf-ir/trace.h b/include/babeltrace/ctf-ir/trace.h
index d85a4bea..29b60980 100644
--- a/include/babeltrace/ctf-ir/trace.h
+++ b/include/babeltrace/ctf-ir/trace.h
@@ -264,6 +264,17 @@ extern int bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace);
 extern struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class(
 		struct bt_ctf_trace *trace, int index);
 
+/*
+ * bt_ctf_trace_get_stream_class_by_id: get a trace's stream class by ID.
+ *
+ * @param trace Trace instance.
+ * @param index ID of the stream class in the given trace.
+ *
+ * Return a stream class on success, NULL on error.
+ */
+extern struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id(
+		struct bt_ctf_trace *trace, uint32_t id);
+
 /*
  * bt_ctf_trace_get_clock_by_name: get a trace's clock by name
  *