X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f3b7e5f4b4d7c87ee3e8827313ec966ea8fc8387..b372d23d3d8818b4547ef207f43b45709298a002:/include/simgrid/s4u/Io.hpp

diff --git a/include/simgrid/s4u/Io.hpp b/include/simgrid/s4u/Io.hpp
index e979fb52e5..854bee65c5 100644
--- a/include/simgrid/s4u/Io.hpp
+++ b/include/simgrid/s4u/Io.hpp
@@ -36,9 +36,12 @@ public:
 #ifndef DOXYGEN
   friend Disk;    // Factory of IOs
   friend Storage; // Factory of IOs
-#endif
 
   ~Io() override = default;
+#endif
+
+  static xbt::signal<void(Io const&)> on_start;
+  static xbt::signal<void(Io const&)> on_completion;
 
   Io* start() override;
   Io* wait() override;