linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / linux / signal.h

diff --git a/include/linux/signal.h b/include/linux/signal.h
index 117135e..b7d0935 100644 (file)
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -1,12 +1,36 @@
 #ifndef _LINUX_SIGNAL_H
 #define _LINUX_SIGNAL_H
 
+#include <linux/list.h>
+#include <linux/spinlock.h>
 #include <asm/signal.h>
 #include <asm/siginfo.h>
 
 #ifdef __KERNEL__
-#include <linux/list.h>
-#include <linux/spinlock.h>
+
+/*
+ * 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
+/*
+ * As above, these correspond to the IORESOURCE_IRQ_* defines in
+ * linux/ioport.h to select the interrupt line behaviour.  When
+ * requesting an interrupt without specifying a SA_TRIGGER, the
+ * setting should be assumed to be "as already configured", which
+ * may be as per machine or firmware initialisation.
+ */
+#define SA_TRIGGER_LOW         0x00000008
+#define SA_TRIGGER_HIGH                0x00000004
+#define SA_TRIGGER_FALLING     0x00000002
+#define SA_TRIGGER_RISING      0x00000001
+#define SA_TRIGGER_MASK        (SA_TRIGGER_HIGH|SA_TRIGGER_LOW|\
+                                SA_TRIGGER_RISING|SA_TRIGGER_FALLING)
 
 /*
  * Real Time signals may be queued.
@@ -225,8 +249,6 @@ static inline void init_sigpending(struct sigpending *sig)
        INIT_LIST_HEAD(&sig->list);
 }
 
-extern void flush_sigqueue(struct sigpending *queue);
-
 /* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */
 static inline int valid_signal(unsigned long sig)
 {