_SC_NPROCESSORS_ONLN  146 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology.c   n = sysconf(_SC_NPROCESSORS_ONLN);
_SC_NPROCESSORS_ONLN   44 orte/test/mpi/binding.c     nrcpus = sysconf(_SC_NPROCESSORS_ONLN);