Handling Ctrl-C cleanly in Node.js

// Show how to handle Ctrl+C in Node.js

var zmq = require('zmq')
, socket = zmq.createSocket('rep');

socket.on('message', function(buf) {
// echo request back
socket.send(buf);
});

process.on('SIGINT', function() {
socket.close();
process.exit();
});

socket.bindSync('tcp://*:5555');