Add omitted comment about return value

Change-Id: Ic89d3def28d790a4293ca707d916b4dddece8774
Signed-off-by: Kichan Kwon <k_c.kwon@samsung.com>

diff --git a/include/runtime_info.h b/include/runtime_info.h
index 797626f..4a3b07a 100644 (file)
--- a/include/runtime_info.h
+++ b/include/runtime_info.h
@@ -538,6 +538,7 @@ int runtime_info_app_usage_get_usage(app_usage_h handle, int index, unsigned int
  * @retval #RUNTIME_INFO_ERROR_REMOTE_IO          Call to resource daemon failed (dbus errors/resource daemon errors)
  * @retval #RUNTIME_INFO_ERROR_IO_ERROR           An I/O error during dbus message operations
  * @retval #RUNTIME_INFO_ERROR_PERMISSION_DENIED  Process not authorized to request app usage info
+ * @retval #RUNTIME_INFO_ERROR_NO_DATA            No app running
  *
  * @code
  * #include <runtime_info.h>
@@ -586,6 +587,7 @@ int runtime_info_get_all_apps_memory_usage(app_usage_h *usage);
  * @retval #RUNTIME_INFO_ERROR_REMOTE_IO          Call to resource daemon failed (dbus errors/resource daemon errors)
  * @retval #RUNTIME_INFO_ERROR_IO_ERROR           An I/O error during dbus message operations
  * @retval #RUNTIME_INFO_ERROR_PERMISSION_DENIED  Process not authorized to request app usage info
+ * @retval #RUNTIME_INFO_ERROR_NO_DATA            No app running
  *
  * @code
  * #include <runtime_info.h>