- Exec* wait() override;
- Exec* wait_for(double timeout) override;
- /*! take a vector of s4u::ExecPtr and return when one of them is finished.
- * The return value is the rank of the first finished ExecPtr. */
- static int wait_any(std::vector<ExecPtr>* execs) { return wait_any_for(execs, -1); }
- /*! Same as wait_any, but with a timeout. If the timeout occurs, parameter last is returned.*/
- static int wait_any_for(std::vector<ExecPtr>* execs, double timeout);
-