+ExecPtr Exec::set_name(const std::string& name)
+{
+ xbt_assert(state_ == State::INITED, "Cannot change the name of an exec after its start");
+ name_ = name;
+ return this;
+}
+
+/** @brief Retrieve the host on which this activity takes place.
+ * If it runs on more than one host, only the first host is returned.
+ */