/* Copyright (C) 2001-2017 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, see <http://www.gnu.org/licenses/>. */ #include <stdio.h> #include <stdlib.h> extern void fluffy (void *p); extern void bar (void *p); int global; void fluffy (void *p) { printf ("This is %s\n", __FUNCTION__); *(int *) p = global = 1; } void bar (void *p) { extern void *__dso_handle; printf ("This is %s\n", __FUNCTION__); __cxa_atexit (fluffy, p, __dso_handle); }