1/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <string.h>
21#include <unistd.h>
22#include "pthreadP.h"
23#include <shlib-compat.h>
24
25int
26__pthread_attr_destroy (pthread_attr_t *attr)
27{
28 struct pthread_attr *iattr;
29
30 iattr = (struct pthread_attr *) attr;
31
32#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_1)
33 /* In old struct pthread_attr, the extension member is missing. */
34 if (__builtin_expect ((iattr->flags & ATTR_FLAG_OLDATTR), 0) == 0)
35#endif
36 {
37 if (iattr->extension != NULL)
38 {
39 free (iattr->extension->cpuset);
40 free (iattr->extension);
41 }
42 }
43
44 return 0;
45}
46libc_hidden_def (__pthread_attr_destroy)
47weak_alias (__pthread_attr_destroy, pthread_attr_destroy)
48