mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* Copyright (C) 1999, 2001, 2002, 2003 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; 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 <atomic.h>
|
|
#include "exit.h"
|
|
#include <fork.h>
|
|
|
|
/* If D is non-NULL, call all functions registered with `__cxa_atexit'
|
|
with the same dso handle. Otherwise, if D is NULL, call all of the
|
|
registered handlers. */
|
|
void
|
|
__cxa_finalize (void *d)
|
|
{
|
|
struct exit_function_list *funcs;
|
|
|
|
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 == NULL || d == f->func.cxa.dso_handle)
|
|
/* We don't want to run this cleanup more than once. */
|
|
&& ! atomic_compare_and_exchange_bool_acq (&f->flavor, ef_free,
|
|
ef_cxa))
|
|
(*f->func.cxa.fn) (f->func.cxa.arg, 0);
|
|
}
|
|
|
|
/* Remove the registered fork handlers. We do not have to
|
|
unregister anything if the program is going to terminate anyway. */
|
|
#ifdef UNREGISTER_ATFORK
|
|
if (d != NULL)
|
|
UNREGISTER_ATFORK (d);
|
|
#endif
|
|
}
|