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_getstack(const pthread_attr_t * attr,void ** stackaddr,size_t * stacksize)22 __pthread_attr_getstack (const pthread_attr_t *attr, void **stackaddr,
23 size_t *stacksize)
24 {
25 struct pthread_attr *iattr;
26
27 iattr = (struct pthread_attr *) attr;
28
29 /* Store the result. */
30 #if _STACK_GROWS_DOWN
31 *stackaddr = (char *) iattr->stackaddr - iattr->stacksize;
32 #else
33 *stackaddr = (char *) iattr->stackaddr;
34 #endif
35 *stacksize = iattr->stacksize;
36
37 return 0;
38 }
39 versioned_symbol (libpthread, __pthread_attr_getstack,
40 pthread_attr_getstack, GLIBC_2_34);
41 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
42 compat_symbol (libpthread, __pthread_attr_getstack,
43 pthread_attr_getstack, GLIBC_2_2);
44 #endif
45