stdlib/cxa_atexit.c

   1 /* Copyright (C) 1999 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 not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <stdlib.h>
  20 #include "exit.h"
  21
  22 /* Register a function to be called by exit or when a shared library
  23    is unloaded.  This function is only called from code generated by
  24    the C++ compiler.  */
  25 int
  26 __cxa_atexit (void (*func) (void *), void *arg, void *d)
  27 {
  28   struct exit_function *new = __new_exitfn ();
  29
  30   if (new == NULL)
  31     return -1;
  32
  33   new->flavor = ef_cxa;
  34   new->func.cxa.fn = func;
  35   new->func.cxa.arg = arg;
  36   new->func.cxa.dso_handle = d;
  37   return 0;
  38 }