- _drupal_session_close/
- _drupal_session_delete_cookie/
- _drupal_session_destroy/
- _drupal_session_garbage_collection/
- _drupal_session_open/
- _drupal_session_read/
- _drupal_session_write/
- drupal_save_session/
- drupal_session_commit/
- drupal_session_destroy_uid/
- drupal_session_initialize/
- drupal_session_regenerate/
- drupal_session_start/
- drupal_session_started/