$OpenBSD: patch-src_pkg_runtime_os_openbsd_h,v 1.1.1.1 2012/03/31 12:37:16 jsing Exp $
--- src/pkg/runtime/os_openbsd.h.orig	Mon Mar 19 00:13:54 2012
+++ src/pkg/runtime/os_openbsd.h	Mon Mar 19 00:13:54 2012
@@ -5,14 +5,19 @@
 #define SIG_DFL ((void*)0)
 #define SIG_IGN ((void*)1)
 
+#define SIG_BLOCK 1
+#define SIG_UNBLOCK 2
+#define SIG_SETMASK 3
+
 struct sigaction;
 
-void	runtime·sigpanic(void);
-void	runtime·sigaltstack(Sigaltstack*, Sigaltstack*);
-void	runtime·sigaction(int32, struct sigaction*, struct sigaction*);
+void	runtime·setitimer(int32, Itimerval*, Itimerval*);
 void	runtime·setsig(int32, void(*)(int32, Siginfo*, void*, G*), bool);
+void	runtime·sigaction(int32, struct sigaction*, struct sigaction*);
+void	runtime·sigaltstack(Sigaltstack*, Sigaltstack*);
 void	runtime·sighandler(int32 sig, Siginfo *info, void *context, G *gp);
-void	runtime·setitimer(int32, Itimerval*, Itimerval*);
+void	runtime·sigpanic(void);
+Sigset	runtime·sigprocmask(int32, Sigset);
 int32	runtime·sysctl(uint32*, uint32, byte*, uintptr*, byte*, uintptr);
 
 void	runtime·raisesigpipe(void);
