tree de2837ece90139c6529546a0291bfc421d96dd7f
parent f9f349faa1d4ab5fd3ac3eee5cc9d7c9696185cf
author Denton Gentry <dgentry@google.com> 1474691278 -0700
committer Denton Gentry <dgentry@google.com> 1475000737 -0700

Switch from AF_UNIX to UDP on localhost.

Dart does not support AF_UNIX sockets. There is a CL
which would add it, but it was never integrated.
Switch to UDP sockets, bound to localhost.

Also correct several signedness bugs, read() and recv()
return negative numbers on error.

Change-Id: Ib350c7d7459a12c4db20ca992c68e54da7756c7b