mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-09 23:00:07 +00:00
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* Copyright (C) 1997,1999-2003,2011 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>
|
|
|
|
#include "../libio/libioP.h"
|
|
|
|
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;
|
|
|
|
_IO_cleanup ();
|
|
|
|
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)
|