/*! take a vector s4u::CommPtr and return when one of them is finished.
* The return value is the rank of the first finished CommPtr. */
static int wait_any(const std::vector<CommPtr>* comms) { return wait_any_for(comms, -1); }
- /*! Same as wait_any, but with a timeout. If the timeout occurs, parameter last is returned.*/
+ /*! Same as wait_any, but with a timeout. Return -1 if the timeout occurs.*/
static int wait_any_for(const std::vector<CommPtr>* comms_in, double timeout);
/*! take a vector s4u::CommPtr and return when all of them is finished. */