SIGUNUSED 773 arch/x86/kernel/vm86_32.c | (1 << SIGUNUSED)) SIGUNUSED 55 security/apparmor/include/sig_names.h #if defined(SIGUNUSED) && \ SIGUNUSED 57 security/apparmor/include/sig_names.h [SIGUNUSED] = 34, /* -, 31, - */