X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;ds=sidebyside;f=include%2Fbabeltrace%2Ftrace-handle.h;h=4c85b670ce05ac05906fef846704dabf71ae2b0e;hb=0be8b6b76e1767f8d5f6b4c974df9a7d01eb91bc;hp=31877ee1886a681165d25fdd9d2b2b94e9252af9;hpb=c50d2a7af8f63f3f4d2c0a6fce9a6e214d2baeda;p=babeltrace.git

diff --git a/include/babeltrace/trace-handle.h b/include/babeltrace/trace-handle.h
index 31877ee1..4c85b670 100644
--- a/include/babeltrace/trace-handle.h
+++ b/include/babeltrace/trace-handle.h
@@ -34,19 +34,20 @@ struct bt_trace_handle;
 struct bt_ctf_event;
 
 /*
- * bt_trace_handle_get_path : returns the path of a trace_handle.
+ * bt_trace_handle_get_path : returns the path of a trace_handle or NULL
+ * on error.
  */
 const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id);
 
 /*
- * bt_trace_handle_get_timestamp_begin : returns the beginning timestamp
- * of a trace.
+ * bt_trace_handle_get_timestamp_begin : returns the creation time of the buffers
+ * of a trace or -1ULL on error.
  */
 uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx, int handle_id);
 
 /*
- * bt_trace_handle_get_timestamp_end : returns the end timestamp of a
- * trace.
+ * bt_trace_handle_get_timestamp_end : returns the destruction timestamp of the
+ * buffers of a trace or -1ULL on error.
  */
 uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx, int handle_id);