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 "pthreadP.h"
20#include <shlib-compat.h>
21
22int
23__pthread_attr_getstacksize (const pthread_attr_t *attr, size_t *stacksize)
24{
25 struct pthread_attr *iattr;
26
27 iattr = (struct pthread_attr *) attr;
28
29 size_t size = iattr->stacksize;
30
31 /* If the user has not set a stack size we return what the system
32 will use as the default. */
33 if (size == 0)
34 {
35 lll_lock (__default_pthread_attr_lock, LLL_PRIVATE);
36 size = __default_pthread_attr.internal.stacksize;
37 lll_unlock (__default_pthread_attr_lock, LLL_PRIVATE);
38 }
39 *stacksize = size;
40
41 return 0;
42}
43versioned_symbol (libc, __pthread_attr_getstacksize,
44 pthread_attr_getstacksize, GLIBC_2_34);
45#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_34)
46compat_symbol (libpthread, __pthread_attr_getstacksize,
47 pthread_attr_getstacksize, GLIBC_2_1);
48#endif
49