39     if (msg.what !== 'server') return;
49       process.send({ what: 'connection' });  property
55     process.send({ what: 'listening' });  property
64     if (msg.what !== 'close') return;
68       process.send({ what: 'close' });  property
75   process.send({ what: 'ready' });  property
92         child.send({ what: 'close' });  property
116       child.send({ what: 'server' }, server);  property
126       if (msg.what === 'listening') {
139       } else if (msg.what === 'connection') {
142       } else if (msg.what === 'close') {
152     if (msg.what !== 'ready') return;