Method close

lib/internal/vfs/file_system.js:803–815

* Closes a file descriptor asynchronously. * @param {number} fd The file descriptor * @param {Function} callback Callback (err)

(fd, callback)

   * @param {Function} callback Callback (err)
   */
  close(fd, callback) {
    const vfd = getVirtualFd(fd);
    if (!vfd) {
      process.nextTick(callback, createEBADF('close'));
      return;
    }

    vfd.entry.close()
      .then(() => {
        closeVirtualFd(fd);
        callback(null);
      }, (err) => callback(err));
  }

  /**
   * Reads from a file descriptor asynchronously.