thread_once_cleanup  219 srclib/apr/threadproc/beos/thread.c     apr_pool_cleanup_register(p, control, thread_once_cleanup, apr_pool_cleanup_null);
thread_once_cleanup  240 srclib/apr/threadproc/os2/thread.c     apr_pool_cleanup_register(p, control, thread_once_cleanup, apr_pool_cleanup_null);