glibc/elf/dl-fini.c

46 lines
1.5 KiB
C

/* Call the termination functions of loaded shared objects.
Copyright (C) 1995, 1996, 1998 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <elf/ldsodefs.h>
void
internal_function
_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))
{
/* When debugging print a message first. */
if (_dl_debug_impcalls)
_dl_debug_message (1, "\ncalling fini: ",
l->l_name[0] ? l->l_name : _dl_argv[0],
"\n\n", NULL);
(*(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;
}
}