X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Fstream-class.h;h=75be6b678f7f37b07aa19d5f14491abf45b5c5ad;hb=de3dd40e6fcad56e227f5fc8a8290fbaa88b4e07;hp=d7089ccb938254c4ebe5a771776ccb47ff72d255;hpb=48d711a204f69520bbb7b0f2e69623a6fa7e0744;p=babeltrace.git

diff --git a/include/babeltrace/ctf-ir/stream-class.h b/include/babeltrace/ctf-ir/stream-class.h
index d7089ccb..75be6b67 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.
  *
@@ -144,7 +154,8 @@ extern int bt_ctf_stream_class_set_id(
  * The stream class will share the ownership of "event_class" by incrementing
  * its reference count.
  *
- * Note that an event class may only be added to one stream class.
+ * Note that an event class may only be added to one stream class. It
+ * also becomes immutable.
  *
  * @param stream_class Stream class.
  * @param event_class Event class to add to the provided stream class.
@@ -189,6 +200,18 @@ extern struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class(
 extern struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_name(
 		struct bt_ctf_stream_class *stream_class, const char *name);
 
+/*
+ * bt_ctf_stream_class_get_event_class_by_name: Get stream class event class by
+ * ID.
+ *
+ * @param stream_class Stream class.
+ * @param id Event class ID.
+ *
+ * Returns event class, NULL on error.
+ */
+extern struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_id(
+		struct bt_ctf_stream_class *stream_class, uint32_t id);
+
 /*
  * bt_ctf_stream_class_get_packet_context_type: get the stream class' packet
  * context type.
@@ -267,6 +290,8 @@ extern int bt_ctf_stream_class_set_event_context_type(
  * bt_ctf_stream_class_get and bt_ctf_stream_class_put: increment and
  * decrement the stream class' reference count.
  *
+ * You may also use bt_ctf_get() and bt_ctf_put() with stream class objects.
+ *
  * These functions ensure that the stream class won't be destroyed while it
  * is in use. The same number of get and put (plus one extra put to
  * release the initial reference done at creation) have to be done to