sys_mask 581 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-windows.c DWORD_PTR proc_mask, sys_mask; sys_mask 600 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-windows.c if (!GetProcessAffinityMask(proc, &proc_mask, &sys_mask))