dir_fd            385 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-linux.c   int dir_fd;
dir_fd            392 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-linux.c   dir_fd = openat(fsroot_fd, relative_path, O_RDONLY | O_DIRECTORY);
dir_fd            393 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-linux.c   if (dir_fd < 0)
dir_fd            396 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-linux.c   return fdopendir(dir_fd);