oldact 348 tools/testing/selftests/x86/protection_keys.c struct sigaction oldact; oldact 365 tools/testing/selftests/x86/protection_keys.c r = sigaction(signum, &newact, &oldact); oldact 366 tools/testing/selftests/x86/protection_keys.c r = sigaction(SIGALRM, &newact, &oldact);