$NetBSD: patch-ah,v 1.3 2003/12/03 00:12:12 recht Exp $

--- libgc/os_dep.c.orig	2003-08-26 23:21:14.000000000 +0200
+++ libgc/os_dep.c	2003-11-27 18:34:40.000000000 +0100
@@ -121,7 +121,7 @@
 # include <fcntl.h>
 #endif
 
-#if defined(SUNOS5SIGS) || defined (HURD) || defined(LINUX)
+#if defined(SUNOS5SIGS) || defined (HURD) || defined(LINUX) || defined(NETBSD)
 # ifdef SUNOS5SIGS
 #  include <sys/siginfo.h>
 # endif
@@ -688,9 +688,11 @@
 	typedef void (*handler)();
 #   endif
 
-#   if defined(SUNOS5SIGS) || defined(IRIX5) || defined(OSF1) || defined(HURD)
+#   if defined(SUNOS5SIGS) || defined(IRIX5) || defined(OSF1) \
+    || defined(HURD) || defined(NETBSD)
 	static struct sigaction old_segv_act;
-#	if defined(_sigargs) /* !Irix6.x */ || defined(HPUX) || defined(HURD)
+#	if defined(_sigargs) /* !Irix6.x */ || defined(HPUX) \
+	|| defined(HURD) || defined(NETBSD)
 	    static struct sigaction old_bus_act;
 #	endif
 #   else
@@ -705,11 +707,11 @@
 #   endif
     {
 #	if defined(SUNOS5SIGS) || defined(IRIX5)  \
-        || defined(OSF1) || defined(HURD)
+        || defined(OSF1) || defined(HURD) || defined(NETBSD)
 	  struct sigaction	act;
 
 	  act.sa_handler	= h;
-#	  ifdef SUNOS5SIGS
+#	  if defined(SUNOS5SIGS) || defined(NETBSD)
             act.sa_flags          = SA_RESTART | SA_NODEFER;
 #         else
             act.sa_flags          = SA_RESTART;
@@ -729,7 +731,7 @@
 #	  else
 	        (void) sigaction(SIGSEGV, &act, &old_segv_act);
 #		if defined(IRIX5) && defined(_sigargs) /* Irix 5.x, not 6.x */ \
-		   || defined(HPUX) || defined(HURD)
+		   || defined(HPUX) || defined(HURD) || defined(NETBSD)
 		    /* Under Irix 5.x or HP/UX, we may get SIGBUS.	*/
 		    /* Pthreads doesn't exist under Irix 5.x, so we	*/
 		    /* don't have to worry in the threads case.		*/
@@ -765,10 +767,10 @@
     void GC_reset_fault_handler()
     {
 #       if defined(SUNOS5SIGS) || defined(IRIX5) \
-	   || defined(OSF1) || defined(HURD)
+	   || defined(OSF1) || defined(HURD) || defined(NETBSD)
 	  (void) sigaction(SIGSEGV, &old_segv_act, 0);
 #	  if defined(IRIX5) && defined(_sigargs) /* Irix 5.x, not 6.x */ \
-	     || defined(HPUX) || defined(HURD)
+	     || defined(HPUX) || defined(HURD) || defined(NETBSD)
 	      (void) sigaction(SIGBUS, &old_bus_act, 0);
 #	  endif
 #       else