Removing NET_Write{V,v} does not break the Unix build, at least for Linux, macOS, and Solaris, so perhaps these can in fact be removed [1] as suggested in the issue description.
Thanks, Brian [1] http://cr.openjdk.java.net/~bpb/8218882/webrev.00/ <http://cr.openjdk.java.net/~bpb/8218882/webrev.00/> [2] https://bugs.openjdk.java.net/browse/JDK-8218882 <https://bugs.openjdk.java.net/browse/JDK-8218882>