mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-24 11:41:07 +00:00
c41041bc2f
1999-12-17 Andreas Jaeger <aj@suse.de> * stdlib/Versions: Export __cxa_atexit and __cxa_finalize. 1999-12-16 Mark Mitchell <mark@codesourcery.com> * stdlib/Makefile (routines): Add cxa_atexit and cxa_finalize. * stdlib/exit.h (flavor): Add ef_cxa. (exit_function): Add cxa variant. * stdlib/exit.c (exit): Handle ef_cxa exit functions. * stdlib/cxa_atexit.c: New file. * stdlib/cxa_finalize.c: New file.
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Copyright (C) 1999 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 <assert.h>
|
|
#include <stdlib.h>
|
|
#include <atomicity.h>
|
|
#include "exit.h"
|
|
|
|
/* If D is non-NULL, call all functions registered with `__cxa_atexit'
|
|
with the same dso handle. Otherwise, if D is NULL, do nothing. */
|
|
void
|
|
__cxa_finalize (void *d)
|
|
{
|
|
struct exit_function_list *funcs;
|
|
|
|
if (!d)
|
|
return;
|
|
|
|
for (funcs = __exit_funcs; funcs; funcs = funcs->next)
|
|
{
|
|
struct exit_function *f;
|
|
|
|
for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f)
|
|
if (d == f->func.cxa.dso_handle
|
|
/* We don't want to run this cleanup more than once. */
|
|
&& compare_and_swap (&f->flavor, ef_cxa, ef_free))
|
|
(*f->func.cxa.fn) (f->func.cxa.arg);
|
|
}
|
|
}
|