1  /* Copyright (C) 2001-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <stdio.h>
      19  #include <stdlib.h>
      20  #include <dso_handle.h>
      21  
      22  extern void fluffy (void *p);
      23  extern void bar (void *p);
      24  
      25  int global;
      26  
      27  void
      28  fluffy (void *p)
      29  {
      30    printf ("This is %s\n", __FUNCTION__);
      31    *(int *) p = global = 1;
      32  }
      33  
      34  
      35  void
      36  bar (void *p)
      37  {
      38    printf ("This is %s\n", __FUNCTION__);
      39    __cxa_atexit (fluffy, p, __dso_handle);
      40  }