src/java.base/unix/native/libnio/ch/Net.c

rev 54103 : imported patch ipv6-only-build

@@ -203,11 +203,11 @@
         return handleSocketError(env, errno);
     }
 
     /* Disable IPV6_V6ONLY to ensure dual-socket support */
     if (domain == AF_INET6) {
-        int arg = 0;
+        int arg = 1;    // V6 only
         if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&arg,
                        sizeof(int)) < 0) {
             JNU_ThrowByNameWithLastError(env,
                                          JNU_JAVANETPKG "SocketException",
                                          "Unable to set IPV6_V6ONLY");