$NetBSD: patch-am,v 1.10 2003/03/17 16:07:35 taya Exp $

diff -ru ../Orig/mozilla/nsprpub/pr/src/pthreads/ptio.c ./nsprpub/pr/src/pthreads/ptio.c
--- ../Orig/mozilla/nsprpub/pr/src/pthreads/ptio.c	2003-01-21 05:50:00.000000000 +0900
+++ ./nsprpub/pr/src/pthreads/ptio.c	2003-03-14 16:58:52.000000000 +0900
@@ -194,7 +194,7 @@
 #elif defined(IRIX) || defined(OSF1) || defined(AIX) || defined(HPUX) \
     || defined(LINUX) || defined(FREEBSD) || defined(BSDI) || defined(VMS) \
     || defined(NTO) || defined(OPENBSD) || defined(DARWIN) \
-    || defined(UNIXWARE)
+    || defined(UNIXWARE) || defined(NETBSD)
 #define _PRSockOptVal_t void *
 #else
 #error "Cannot determine architecture"
@@ -3428,6 +3428,15 @@
     if (osfd == -1) pt_MapError(_PR_MD_MAP_SOCKET_ERROR, errno);
     else
     {
+#if defined(__NetBSD__) && defined(_PR_INET6) && defined(IPV6_V6ONLY)
+	if(domain == PR_AF_INET6) {
+		int	opt = 0;
+		if (setsockopt(osfd, IPPROTO_IPV6, IPV6_V6ONLY, &opt, sizeof(opt))){
+			close(osfd);
+			return NULL;
+            	}
+	}
+#endif
         fd = pt_SetMethods(osfd, ftype, PR_FALSE, PR_FALSE);
         if (fd == NULL) close(osfd);
     }