poll_fn            32 ompi/mca/io/romio321/romio/include/ompi_grequestx.h #define PMPIX_Grequest_class_create(query_fn,free_fn,cancel_fn,poll_fn,wait_fn,greq_class) ompi_grequestx_class_create(query_fn,free_fn,cancel_fn,poll_fn,wait_fn,greq_class)
poll_fn            33 ompi/mca/io/romio321/romio/include/ompi_grequestx.h #define PMPIX_Grequest_start(query_fn,free_fn,cancel_fn,poll_fn,extra_state,request) ompi_grequestx_start(query_fn,free_fn,cancel_fn,poll_fn,extra_state,request)