src/java.base/unix/native/libnet/PlainSocketImpl.c

rev 54103 : imported patch ipv6-only-build

@@ -187,11 +187,11 @@
         return;
     }
 
     /* Disable IPV6_V6ONLY to ensure dual-socket support */
     if (domain == AF_INET6) {
-        int arg = 0;
+        int arg = 1;    // ENABLE
         if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&arg,
                        sizeof(int)) < 0) {
             NET_ThrowNew(env, errno, "cannot set IPPROTO_IPV6");
             close(fd);
             return;