From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Fri, 20 Mar 2015 02:12:06 +0000 (-0400)
Subject: ir: add trace accessor to bt_ctf_stream_class
X-Git-Tag: v2.0.0-pre1~1285
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=142c561085c255bfe1466d298e77f84338ebc874

ir: add trace accessor to bt_ctf_stream_class

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/formats/ctf/ir/stream-class.c b/formats/ctf/ir/stream-class.c
index 22ea8a5d..572d7424 100644
--- a/formats/ctf/ir/stream-class.c
+++ b/formats/ctf/ir/stream-class.c
@@ -87,6 +87,23 @@ error:
 	return stream_class;
 }
 
+struct bt_ctf_trace *bt_ctf_stream_class_get_trace(
+		struct bt_ctf_stream_class *stream_class)
+{
+	struct bt_ctf_trace *trace = NULL;
+
+	if (!stream_class) {
+		goto end;
+	}
+
+	trace = stream_class->trace;
+	if (trace) {
+		bt_ctf_trace_get(trace);
+	}
+end:
+	return trace;
+}
+
 const char *bt_ctf_stream_class_get_name(
 		struct bt_ctf_stream_class *stream_class)
 {
diff --git a/include/babeltrace/ctf-ir/stream-class.h b/include/babeltrace/ctf-ir/stream-class.h
index a78437b2..200a1fd1 100644
--- a/include/babeltrace/ctf-ir/stream-class.h
+++ b/include/babeltrace/ctf-ir/stream-class.h
@@ -65,6 +65,16 @@ struct bt_ctf_clock;
  */
 extern struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name);
 
+/*
+ * bt_ctf_stream_class_get_trace: Get a stream class' associated trace.
+ *
+ * @param stream_class Stream class.
+ *
+ * Returns the stream class' associated trace, NULL on error.
+ */
+extern struct bt_ctf_trace *bt_ctf_stream_class_get_trace(
+		struct bt_ctf_stream_class *stream_class);
+
 /*
  * bt_ctf_stream_class_get_name: Get a stream class' name.
  *