/* Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <assert.h> #include <stdlib.h> #include <atomic.h> #include "exit.h" #include <fork.h> /* If D is non-NULL, call all functions registered with `__cxa_atexit' with the same dso handle. Otherwise, if D is NULL, call all of the registered handlers. */ void __cxa_finalize (void *d) { struct exit_function_list *funcs; for (funcs = __exit_funcs; funcs; funcs = funcs->next) { struct exit_function *f; for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f) if ((d == NULL || d == f->func.cxa.dso_handle) /* We don't want to run this cleanup more than once. */ && ! atomic_compare_and_exchange_bool_acq (&f->flavor, ef_free, ef_cxa)) (*f->func.cxa.fn) (f->func.cxa.arg, 0); } /* Remove the registered fork handlers. We do not have to unregister anything if the program is going to terminate anyway. */ #ifdef UNREGISTER_ATFORK if (d != NULL) UNREGISTER_ATFORK (d); #endif }