Function fchmod

lib/fs.js:2344–2359

* Sets the permissions on the file. * @param {number} fd * @param {string | number} mode * @param {(err?: Error) => any} callback * @returns {void}

(fd, mode, callback)

 * @returns {void}
 */
function fchmod(fd, mode, callback) {
  mode = parseFileMode(mode, 'mode');
  callback = makeCallback(callback);

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

  if (permission.isEnabled()) {
    callback(new ERR_ACCESS_DENIED('fchmod API is disabled when Permission Model is enabled.'));
    return;
  }

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

/**
 * Synchronously sets the permissions on the file.