prefork で別ポート待受な httpd を node.js で。

prefork_httpd.coffee

#
#
#

cluster = require('cluster')
http = require('http')

NUM_CPU = require('os').cpus().length


if cluster.isMaster
    for i in [0...NUM_CPU]
        cluster.fork(port: 8000+i)
    cluster.on('exit', (worker, code, signal)->
        console.log "worker-#{worker.process.pid}: exit"
    )
else
    port = process.env.port
    http.createServer((req, res)->
        res.writeHead(200, {
            'Content-Type': 'text/plain; charset=utf-8'
        })
        res.end('hello world!')
    ).listen(port)
    console.log "Starting server: #{port}"


process.on("SIGHUP", ()->
    for key, worker of cluster.workers
        worker.destroy()
    for i in [0...NUM_CPU]
        cluster.fork(port: 8000+i)
)

for sig in ['SIGQUIT', 'SIGINT', 'SIGTERM']
    process.on(sig, ()->
        for key, worker of cluster.workers
            worker.destroy()
    )