struct ptrace_peeksiginfo_args is defined in linux/ptrace.h but not in sys/ptrace.h.

---
 include/ptrace.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/include/ptrace.h
+++ b/include/ptrace.h
@@ -19,6 +19,8 @@
 
 #ifndef PTRACE_PEEKSIGINFO
 #define PTRACE_PEEKSIGINFO      0x4209
+#endif
+
 struct ptrace_peeksiginfo_args {
         __u64 off;	/* from which siginfo to start */
         __u32 flags;
@@ -27,7 +29,6 @@ struct ptrace_peeksiginfo_args {
 
 /* Read signals from a shared (process wide) queue */
 #define PTRACE_PEEKSIGINFO_SHARED       (1 << 0)
-#endif
 
 #ifndef PTRACE_GETREGSET
 # define PTRACE_GETREGSET	0x4204