Add missing SA_NODEFER value to sigaction.h

Author: th-otto

include/bits/sigaction.h

@@ -28,8 +28,24 @@
 #define SIG_SETMASK	2
 
 #define SA_NOCLDSTOP   0x0001       /* don't send SIGCHLD when they stop */
+#define SA_NODEFER     0x0010       /* don't mask the signal we're delivering */
 #define SA_RESETHAND   0x8000       /* Reset to SIG_DFL on entry to handler. */
 
+#ifdef __USE_MISC
+/* Some aliases for the SA_ constants.  */
+# define SA_NOMASK    SA_NODEFER
+# define SA_ONESHOT   SA_RESETHAND
+#endif
+
+#if 0
+ /* NYI: */
+#define SA_NOCLDWAIT   0x0002		/* do not generate zombies on unwaited child */
+#define SA_SIGINFO     0x0040		/* Invoke signal-catching function with three arguments instead of one. */
+#define SA_ONSTACK     0x2000		/* take signal on signal stack */
+# define SA_STACK     SA_ONSTACK
+#define SA_RESTART     0x4000		/* restart system on signal return */
+#endif
+
 struct sigaction {
 	__sighandler_t 	sa_handler;	/* Pointer to signal handler.  */
 	__sigset_t	sa_mask;	/* Additional signals masked during