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);
protected:
Activity() = default;