1 /* Copyright (C) 2002-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include "pthreadP.h"
19 #include <shlib-compat.h>
20
21 int
__pthread_attr_getstacksize(const pthread_attr_t * attr,size_t * stacksize)22 __pthread_attr_getstacksize (const pthread_attr_t *attr, size_t *stacksize)
23 {
24 struct pthread_attr *iattr;
25
26 iattr = (struct pthread_attr *) attr;
27
28 size_t size = iattr->stacksize;
29
30 /* If the user has not set a stack size we return what the system
31 will use as the default. */
32 if (size == 0)
33 {
34 lll_lock (__default_pthread_attr_lock, LLL_PRIVATE);
35 size = __default_pthread_attr.internal.stacksize;
36 lll_unlock (__default_pthread_attr_lock, LLL_PRIVATE);
37 }
38 *stacksize = size;
39
40 return 0;
41 }
42 versioned_symbol (libc, __pthread_attr_getstacksize,
43 pthread_attr_getstacksize, GLIBC_2_34);
44 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_34)
45 compat_symbol (libpthread, __pthread_attr_getstacksize,
46 pthread_attr_getstacksize, GLIBC_2_1);
47 #endif
48