PR_SET_KEEPCAPS 1234 security/commoncap.c case PR_SET_KEEPCAPS: PR_SET_KEEPCAPS 105 tools/testing/selftests/capabilities/test_execve.c if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) != 0) PR_SET_KEEPCAPS 290 tools/testing/selftests/safesetid/safesetid-test.c if (prctl(PR_SET_KEEPCAPS, 1L))