linux 2.6.16.38 w/ vs2.0.3-rc1

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

diff --git a/include/asm-xtensa/signal.h b/include/asm-xtensa/signal.h
index 633ba73..5d6fc9c 100644 (file)
--- a/include/asm-xtensa/signal.h
+++ b/include/asm-xtensa/signal.h
@@ -75,6 +75,7 @@ typedef struct {
  * SA_FLAGS values:
  *
  * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
  * SA_RESTART flag to get restarting signals (which were the default long ago)
  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  * SA_RESETHAND clears the handler when the signal is delivered.
@@ -94,6 +95,7 @@ typedef struct {
 
 #define SA_NOMASK      SA_NODEFER
 #define SA_ONESHOT     SA_RESETHAND
+#define SA_INTERRUPT   0x20000000 /* dummy -- ignored */
 
 #define SA_RESTORER    0x04000000
 
@@ -107,6 +109,19 @@ typedef struct {
 #define SIGSTKSZ       8192
 
 #ifndef __ASSEMBLY__
+#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
+#endif
 
 #define SIG_BLOCK          0   /* for blocking signals */
 #define SIG_UNBLOCK        1   /* for unblocking signals */