glibc/stdlib/cxa_finalize.c
Ulrich Drepper 5a3ab2fc18 Update.
2003-03-21  Ulrich Drepper  <drepper@redhat.com>

	* cancellation.c: Adjust for new form of compare&exchange macros.
	* cleanup_defer.c: Likewise.
	* init.c: Likewise.
	* libc-cancellation.c: Likewise.
	* old_pthread_cond_broadcast.c: Likewise.
	* old_pthread_cond_signal.c: Likewise.
	* old_pthread_cond_timedwait.c: Likewise.
	* old_pthread_cond_wait.c: Likewise.
	* pthread_cancel.c: Likewise.
	* pthread_create.c: Likewise.
	* pthread_detach.c: Likewise.
	* pthread_join.c: Likewise.
	* pthread_key_delete.c: Likewise.
	* pthread_setcancelstate.c: Likewise.
	* pthread_setcanceltype.c: Likewise.
	* pthread_timedjoin.c: Likewise.
	* pthread_tryjoin.c: Likewise.
	* sysdeps/pthread/createthread.c: Likewise.
2003-03-21 08:03:25 +00:00

49 lines
1.7 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, do nothing. */
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. */
#ifdef UNREGISTER_ATFORK
UNREGISTER_ATFORK (d);
#endif
}