improve doxygen comments in s4u

[simgrid.git] / include / simgrid / s4u / Activity.hpp

diff --git a/include/simgrid/s4u/Activity.hpp b/include/simgrid/s4u/Activity.hpp
index 7e53d03..6cd6276 100644 (file)
--- a/include/simgrid/s4u/Activity.hpp
+++ b/include/simgrid/s4u/Activity.hpp
@@ -27,12 +27,17 @@ namespace s4u {
  * - Synchronization activities may possibly be connected to no action.
  */
 class XBT_PUBLIC Activity {
+#ifndef DOXYGEN
   friend Comm;
   friend XBT_PUBLIC void intrusive_ptr_release(Comm * c);
   friend XBT_PUBLIC void intrusive_ptr_add_ref(Comm * c);
   friend Exec;
   friend XBT_PUBLIC void intrusive_ptr_release(Exec * e);
   friend XBT_PUBLIC void intrusive_ptr_add_ref(Exec * e);
+  friend Io;
+  friend XBT_PUBLIC void intrusive_ptr_release(Io* i);
+  friend XBT_PUBLIC void intrusive_ptr_add_ref(Io* i);
+#endif
 
 protected:
   Activity()  = default;