Function fchmodSync

lib/fs.js:2367–2381

* Synchronously sets the permissions on the file. * @param {number} fd * @param {string | number} mode * @returns {void}

(fd, mode)

 * @returns {void}
 */
function fchmodSync(fd, mode) {
  const h = vfsState.handlers;
  if (h !== null) {
    const result = h.fchmodSync(fd);
    if (result !== undefined) return;
  }

  if (permission.isEnabled()) {
    throw new ERR_ACCESS_DENIED('fchmod API is disabled when Permission Model is enabled.');
  }
  binding.fchmod(
    fd,
    parseFileMode(mode, 'mode'),
  );
}

/**
 * Changes the permissions on a symbolic link.