#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
+#ifdef __KERNEL__
+
+/*
+ * These values of sa_flags are used only by the kernel as part of the
+ * irq handling routines.
+ *
+ * SA_INTERRUPT is also used by the irq handling routines.
+ * SA_SHIRQ flag is for shared interrupt support on PCI and EISA.
+ */
+#define SA_SAMPLE_RANDOM SA_RESTART
+
+#ifdef CONFIG_TRAD_SIGNALS
+#define sig_uses_siginfo(ka) ((ka)->sa.sa_flags & SA_SIGINFO)
+#else
+#define sig_uses_siginfo(ka) (1)
+#endif
+
+#endif /* __KERNEL__ */
+
#define SIG_BLOCK 1 /* for blocking signals */
#define SIG_UNBLOCK 2 /* for unblocking signals */
#define SIG_SETMASK 3 /* for setting the signal mask */
set only the low 32 bit of the sigset. */
/* Type of a signal handler. */
-typedef void (*__sighandler_t)(int);
+typedef void __signalfn_t(int);
+typedef __signalfn_t __user *__sighandler_t;
/* Fake signal functions */
#define SIG_DFL ((__sighandler_t)0) /* default signal handling */