elf/dl-fini.c

   1 /* Call the termination functions of loaded shared objects.
   2 Copyright (C) 1995, 1996 Free Software Foundation, Inc.
   3 This file is part of the GNU C Library.
   4
   5 The GNU C Library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 The GNU C Library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 #include <link.h>
  21
  22 void
  23 _dl_fini (void)
  24 {
  25   struct link_map *l;
  26
  27   for (l = _dl_loaded; l; l = l->l_next)
  28     if (l->l_init_called)
  29       {
  30         if (l->l_info[DT_FINI] &&
  31             !(l->l_name[0] == '\0' && l->l_type == lt_executable))
  32           (*(void (*) (void)) (l->l_addr + l->l_info[DT_FINI]->d_un.d_ptr)) ();
  33         /* Make sure nothing happens if we are called twice.  */
  34         l->l_init_called = 0;
  35       }
  36 }