pm2 test case #1036

ps.sh

pm2 start server.js
ps -ef|grep 'tail -F ~/.pm2/pm2.log'|grep -v grep|wc -l # gives 1
pm2 stop 0
ps -ef|grep 'tail -F ~/.pm2/pm2.log'|grep -v grep|wc -l # gives 0

server.js

var http = require('http');
var spawn = require('child_process').spawn

http.createServer(function(req, res) {
  res.writeHead(200);
  res.end("hello world\n");
}).listen(8020);

var s = spawn('tail', ['-F', '~/.pm2/pm2.log'], {detached: true, stdio: ['ignore', 'ignore', 'ignore']}); 
//make sure stdio aren't linked to the main process, so that it's detached indeed

s.on('close', function() {
  console.log('Spawn closed')
})