glibc/malloc/set-freeres.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

55 lines
1.7 KiB
C

/* Copyright (C) 1997,1999,2000,2001,2002,2003 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 <atomic.h>
#include <stdlib.h>
#include <set-hooks.h>
#include <libc-internal.h>
#ifdef USE_IN_LIBIO
# include "../libio/libioP.h"
#endif
DEFINE_HOOK (__libc_subfreeres, (void));
symbol_set_define (__libc_freeres_ptrs);
void __libc_freeres_fn_section
__libc_freeres (void)
{
/* This function might be called from different places. So better
protect for multiple executions since these are fatal. */
static long int already_called;
if (! atomic_compare_and_exchange_bool_acq (&already_called, 1, 0))
{
void * const *p;
#ifdef USE_IN_LIBIO
_IO_cleanup ();
#endif
RUN_HOOK (__libc_subfreeres, ());
for (p = symbol_set_first_element (__libc_freeres_ptrs);
! symbol_set_end_p (__libc_freeres_ptrs, p); ++p)
free (*p);
}
}
libc_hidden_def (__libc_freeres)