#define SA_ONSTACK _SV_SSTACK
#define SA_RESTART _SV_INTR
#define SA_ONESHOT _SV_RESET
-#define SA_NOMASK 0x20u
+#define SA_NODEFER 0x20u
#define SA_NOCLDWAIT 0x100u
#define SA_SIGINFO 0x200u
+#define SA_NOMASK SA_NODEFER
#define SIG_BLOCK 0x01 /* for blocking signals */
#define SIG_UNBLOCK 0x02 /* for unblocking signals */