set-init.c

   1 /* Copyright (C) 1991, 1992, 1994, 1995 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <stdlib.h>
  20 #include "set-hooks.h"
  21
  22 DEFINE_HOOK_RUNNER (__libc_subinit, __libc_subinit_runner,
  23                     (int argc, char **argv, char **envp), (argc, argv, envp))
  24
  25 void
  26 __libc_init (argc, argv, envp)
  27      int argc;
  28      char **argv;
  29      char **envp;
  30 {
  31   __libc_subinit_runner (argc, argv, envp);
  32
  33 #ifdef HAVE_ELF
  34   {
  35     /* These functions are defined in crti.o to run the .init and .fini
  36        sections, which are used for initializers in ELF.  */
  37     extern void _init __P ((void)), _fini __P ((void));
  38     atexit (_fini);             /* Arrange for _fini to run at exit.  */
  39     _init ();
  40   }
  41 #endif
  42 }