+/** @ingroup m_actor_management
+ *
+ * @brief Return a #sg_actor_t given its PID.
+ *
+ * This function search in the list of all the created sg_actor_t for a sg_actor_t whose PID is equal to @a PID.
+ * If none is found, @c nullptr is returned.
+ Note that the PID are unique in the whole simulation, not only on a given host.
+ */
+sg_actor_t sg_actor_by_PID(aid_t pid)
+{
+ return simgrid::s4u::Actor::by_pid(pid).get();
+}
+
+/** @ingroup m_actor_management
+ * @brief Return the name of an actor.