int MPI_Grequest_complete(MPI_Request request)
int MPI_Grequest_start(MPI_Grequest_query_function *query_fn, MPI_Grequest_free_function *free_fn, MPI_Grequest_cancel_function *cancel_fn, void *extra_state, MPI_Request *request)
int MPI_Init_thread(int *argc, char ***argv, int required, int *provided)
int MPI_Is_thread_main(int *flag)
int MPI_Query_thread(int *provided)
int MPI_Status_set_cancelled(MPI_Status *status, int flag)
int MPI_Status_set_elements(MPI_Status *status, MPI_Datatype datatype, int count)
int MPI_Status_set_elements_x(MPI_Status *status, MPI_Datatype datatype, MPI_Count count)