File: test-regress-GH-1726.js

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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// 'Software'), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// Open a chain of five Node processes each a child of the next. The final
// process exits immediately. Each process in the chain is instructed to
// exit when its child exits.
// https://github.com/joyent/node/issues/1726

var common = require('../common');
var assert = require('assert');
var ch = require('child_process');

var gen = +(process.argv[2] || 0);
var maxGen = 5;


if (gen === maxGen) {
  console.error('hit maxGen, exiting', maxGen);
  return;
}

var child = ch.spawn(process.execPath, [__filename, gen + 1], {
  customFds: [0, -1, 2]
});
assert.ok(!child.stdin);
assert.ok(child.stdout);
assert.ok(!child.stderr);

console.error('gen=%d, pid=%d', gen, process.pid);

/*
var timer = setTimeout(function () {
  throw new Error('timeout! gen='+gen);
}, 1000);
*/

child.on('exit', function(code) {
  console.error('exit %d from gen %d', code, gen + 1);
  //clearTimeout(timer);
});

child.stdout.pipe(process.stdout);

child.stdout.on('close', function() {
  console.error('child.stdout close  gen=%d', gen);
});