Function register

lib/internal/process/finalization.js:102–107

* Execute the given function when the process exits, * and clean things up when the object is gc. * @param {any} obj * @param {Function} fn

(obj, fn)

   * @param {Function} fn
   */
  function register(obj, fn) {
    emitExperimentalWarning('process.finalization.register');
    validateObject(obj, 'obj', kValidateObjectAllowFunction);

    _register('exit', obj, fn);
  }

  /**
   * Execute the given function before the process exits,