X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Flttng.h;h=9e2d4d129894878631d38452f05bc5ffc25c946a;hp=0a12d9be75e4b97be6728bad11727105f4e68b8c;hb=178191b3899f114001f000c2e7f46909969f9c6f;hpb=38ee087f699718e57d1bc5614c2f79c3c30ccca9

diff --git a/include/lttng/lttng.h b/include/lttng/lttng.h
index 0a12d9be7..9e2d4d129 100644
--- a/include/lttng/lttng.h
+++ b/include/lttng/lttng.h
@@ -511,14 +511,14 @@ extern int lttng_enable_event(struct lttng_handle *handle,
 /*
  * Apply a filter expression to an event.
  *
- * If event_name is NULL, the filter is applied to all events of the channel.
+ * If event is NULL, the filter is applied to all events of the channel.
  * If channel_name is NULL, a lookup of the event's channel is done.
  * If both are NULL, the filter is applied to all events of all channels.
  */
 extern int lttng_set_event_filter(struct lttng_handle *handle,
-		const char *event_name,
-		const char *channel_name,
+		struct lttng_event *event, const char *channel_name,
 		const char *filter_expression);
+
 /*
  * Create or enable a channel.
  * The channel name cannot be NULL.
@@ -594,13 +594,15 @@ extern int lttng_health_check(enum lttng_health_component c);
 
 /*
  * For a given session name, this call checks if the data is ready to be read
- * or is still being extracted by the consumer(s) hence not ready to be used by
- * any readers.
+ * or is still being extracted by the consumer(s) (pending) hence not ready to
+ * be used by any readers.
  *
- * Return 0 if the data is _NOT_ available else 1 if the data is ready. On
- * error, a negative value is returned and readable by lttng_strerror().
+ * Return 0 if there is _no_ data pending in the buffers thus having a
+ * guarantee that the data can be read safely. Else, return 1 if there is still
+ * traced data is pending. On error, a negative value is returned and readable
+ * by lttng_strerror().
  */
-extern int lttng_data_available(const char *session_name);
+extern int lttng_data_pending(const char *session_name);
 
 #ifdef __cplusplus
 }