Function fdatasync

lib/fs.js:1495–1509

* Forces all currently queued I/O operations associated * with the file to the operating system's synchronized * I/O completion state. * @param {number} fd * @param {(err?: Error) => any} callback * @returns {void}

(fd, callback)

 * @returns {void}
 */
function fdatasync(fd, callback) {
  callback = makeCallback(callback);

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

  const req = new FSReqCallback();
  req.oncomplete = callback;

  if (permission.isEnabled()) {
    callback(new ERR_ACCESS_DENIED('fdatasync API is disabled when Permission Model is enabled.'));
    return;
  }
  binding.fdatasync(fd, req);
}

/**
 * Synchronously forces all currently queued I/O operations