text: // 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.
  
  'use strict';
  require('../common');
  const assert = require('assert');
  const fixtures = require('../common/fixtures');
  
  const spawn = require('child_process').spawn;
  const childPath = fixtures.path('parent-process-nonpersistent.js');
  let persistentPid = -1;
  
  const child = spawn(process.execPath, [ childPath ]);
  
  child.stdout.on('data', function(data) {
    persistentPid = parseInt(data, 10);
  });
  
  process.on('exit', function() {
    assert.notStrictEqual(persistentPid, -1);
    assert.throws(function() {
      process.kill(child.pid);
    }, /^Error: kill ESRCH$/);
    assert.doesNotThrow(function() {
      process.kill(persistentPid);
    });
  });
  