If a socket is sent to a child, any data that is buffered in the socket
will not be sent to the child. The child will only receive data from the
socket that is sent after the child has the socket.
PR-URL: https://github.com/nodejs/node/pull/6951
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>