var child_process = require('child_process');

ChildProcess = function(description, executable, arguments, callback) {
  this.description = description;
  this.exited = false;

  this.process = child_process.spawn(executable, arguments);

  self = this;

  this.process.on('exit', function(code, signal) {

    self.exited = true;
    console.log(self.description + " process.on:exit", code, signal);

  }).on('close', function(code, signal) {

    self.exited = true;
    console.log(self.description + " process.on:close", code, signal);

    if (callback) callback(code, signal);

  }).on('error', function(err) {

    console.log(self.description + " process.on:error", err);

  });
}

ChildProcess.prototype.kill = function(signal) {
  if (this.exited) return;

  console.log(this.description + " .kill", signal);

  this.process.kill(signal);
}


p1 = new ChildProcess("p1", "/bin/sleep", [ "11" ], function(code, signal) {
  console.log("p1 <= ", code, signal);
});

p2 = new ChildProcess("p2", "/bin/sleep", [ "12" ], function(code, signal) {
  console.log("p2 <= ", code, signal);
});

setTimeout(function() {
  p2.kill("SIGTERM");
  p1.kill("SIGTERM");
}, 1000);