X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fsignal.h;h=70739f51a09f5fe963c89c8bea9e8c1a3a97e36d;hb=9464c7cf61b9433057924c36e6e02f303a00e768;hp=117135e33d67116e4cf303b2f3872d2c6e63a1b8;hpb=41689045f6a3cbe0550e1d34e9cc20d2e8c432ba;p=linux-2.6.git

diff --git a/include/linux/signal.h b/include/linux/signal.h
index 117135e33..70739f51a 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -1,12 +1,38 @@
 #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.
+ * SA_PROBEIRQ is set by callers when they expect sharing mismatches to occur
+ */
+#define SA_SAMPLE_RANDOM	SA_RESTART
+#define SA_SHIRQ		0x04000000
+#define SA_PROBEIRQ		0x08000000
+
+/*
+ * 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.