Update.
[glibc.git] / stdlib / cxa_finalize.c
blobda2d91512ea0e02d383f32e95e130d909fef4dab
1 /* Copyright (C) 1999 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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. */
19 #include <assert.h>
20 #include <stdlib.h>
21 #include <atomicity.h>
22 #include "exit.h"
24 /* If D is non-NULL, call all functions registered with `__cxa_atexit'
25 with the same dso handle. Otherwise, if D is NULL, do nothing. */
26 void
27 __cxa_finalize (void *d)
29 struct exit_function_list *funcs;
31 if (!d)
32 return;
34 for (funcs = __exit_funcs; funcs; funcs = funcs->next)
36 struct exit_function *f;
38 for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f)
39 if (d == f->func.cxa.dso_handle
40 /* We don't want to run this cleanup more than once. */
41 && compare_and_swap (&f->flavor, ef_cxa, ef_free))
42 (*f->func.cxa.fn) (f->func.cxa.arg);