sysctl_fd 201 tools/testing/selftests/bpf/test_progs.c int sysctl_fd; sysctl_fd 203 tools/testing/selftests/bpf/test_progs.c sysctl_fd = open(jit_sysctl, 0, O_RDONLY); sysctl_fd 204 tools/testing/selftests/bpf/test_progs.c if (sysctl_fd != -1) { sysctl_fd 207 tools/testing/selftests/bpf/test_progs.c if (read(sysctl_fd, &tmpc, sizeof(tmpc)) == 1) sysctl_fd 209 tools/testing/selftests/bpf/test_progs.c close(sysctl_fd);