6 functions implement hook_exit()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

drupal_exit in drupal/includes/common.inc
Performs end-of-request tasks.
overlay_exit in drupal/modules/overlay/overlay.module
Implements hook_exit().
statistics_exit in drupal/modules/statistics/statistics.module
Implements hook_exit().
system_test_exit in drupal/modules/simpletest/tests/system_test.module
Implements hook_exit().
system_test_lock_exit in drupal/modules/simpletest/tests/system_test.module
Try to acquire a specific lock, and then exit.
theme_test_exit in drupal/modules/simpletest/tests/theme_test.module
Implements hook_exit().