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 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);
* Raises: timeout exception.*/
virtual Activity* wait(double timeout) = 0;
/** Cancel that activity */
* Raises: timeout exception.*/
virtual Activity* wait(double timeout) = 0;
/** Cancel that activity */