glibc/elf/dl-fini.c

/* Call the termination functions of loaded shared objects.
Copyright (C) 1995, 1996 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#include <link.h>

void
_dl_fini (void)
{
  struct link_map *l;

  for (l = _dl_loaded; l; l = l->l_next)
    if (l->l_init_called)
      {
	if (l->l_info[DT_FINI] &&
	    !(l->l_name[0] == '\0' && l->l_type == lt_executable))
	  (*(void (*) (void)) (l->l_addr + l->l_info[DT_FINI]->d_un.d_ptr)) ();
	/* Make sure nothing happens if we are called twice.  */
	l->l_init_called = 0;
      }
}