1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/signal.h b/include/linux/signal.h
index 99c97ad026c8..0a98f5ec5cae 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -9,6 +9,17 @@
 #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 is for shared interrupt support on PCI and EISA.
+ */
+#define SA_PROBE                SA_ONESHOT
+#define SA_SAMPLE_RANDOM        SA_RESTART
+#define SA_SHIRQ                0x04000000
+
+/*
  * Real Time signals may be queued.
  */
 
@@ -209,6 +220,12 @@ static inline void init_sigpending(struct sigpending *sig)
         INIT_LIST_HEAD(&sig->list);
 }
 
+/* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */
+static inline int valid_signal(unsigned long sig)
+{
+        return sig <= _NSIG ? 1 : 0;
+}
+
 extern int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p);
 extern int __group_send_sig_info(int, struct siginfo *, struct task_struct *);
 extern long do_sigpending(void __user *, unsigned long);