errorfs 463 tools/testing/selftests/networking/timestamping/timestamping.c fd_set readfs, errorfs; errorfs 474 tools/testing/selftests/networking/timestamping/timestamping.c FD_ZERO(&errorfs); errorfs 476 tools/testing/selftests/networking/timestamping/timestamping.c FD_SET(sock, &errorfs); errorfs 480 tools/testing/selftests/networking/timestamping/timestamping.c res = select(sock + 1, &readfs, 0, &errorfs, &delta); errorfs 489 tools/testing/selftests/networking/timestamping/timestamping.c if (FD_ISSET(sock, &errorfs))