Function close

lib/fs.js:619–629

* Closes the file descriptor. * @param {number} fd * @param {(err?: Error) => any} [callback] * @returns {void}

(fd, callback = defaultCloseCallback)

 * @returns {void}
 */
function close(fd, callback = defaultCloseCallback) {
  if (callback !== defaultCloseCallback)
    callback = makeCallback(callback);

  const h = vfsState.handlers;
  if (h !== null && vfsVoid(h.close(fd), callback)) return;

  const req = new FSReqCallback();
  req.oncomplete = callback;
  binding.close(fd, req);
}

/**
 * Synchronously closes the file descriptor.