child_process.js

//父进程和子进程同时开启
//parent.js
var cp = require('child_process');
var child1 = cp.fork('child.js');
var child2 = cp.fork('child.js');

//open up the server object and send the handle
var server = require('net').createServer();
server.on('connection', function(socket) {
    socket.end('handled by parent\n');
});
server.listen(1337, function() {
    child1.send('server', server);
    child2.send('server', server);
});

//child.js
process.on('message', function(m, server) {
    if(m === 'server') {
        server.on('connection', function(socket) {
            socket.end('handled by child, pid is ' + process.pid + '\n');
        });
    }
});


//只开启子进程
//parent.js
var cp = require('child_process');
var child1 = cp.fork('child.js');
var child2 = cp.fork('child.js');

//open up the server object and send the handle
var server = require('net').createServer();
server.listen(1337, function() {
    child1.send('server', server);
    child2.send('server', server);
    //关掉
    server.close();
});

//child.js
var http = require('http');
var server = http.createServer(function(req, res) {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.end('handled by child, pid is ' + process.id + '\n');
});

process.on('message', function(m, tcp) {
    if(m === 'server') {
        tcp.on('connection', function(socket) {
            server.emit('connection', socket);
        });
    }
});