grace.js

var http = require('http');

var graceTimeout1    = 1;
var graceTimeout10   = 10;
var graceTimeout100  = 100;
var graceTimeout1000 = 1000;

process.on('SIGINT', function() {
    console.log('SIGINT received');

    setTimeout(function() {
        console.log('Timeout A called after %s ms', graceTimeout1);
    }, graceTimeout1);

    setTimeout(function() {
        console.log('Timeout B called after %s ms', graceTimeout10);
    }, graceTimeout10);

    setTimeout(function() {
        console.log('Timeout C called after %s ms', graceTimeout100);
    }, graceTimeout100);

    setTimeout(function() {
        console.log('Timeout D called after %s ms', graceTimeout1000);
    }, graceTimeout1000);
});

http.createServer(function (req, res) {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.end('Running grace test');
}).listen(1337, '127.0.0.1');

console.log('Grace test running at http://127.0.0.1:1337');