1 /* pthread_attr_setstack. Generic version.
2 Copyright (C) 2002-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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 <pthread.h>
20 #include <assert.h>
21
22 #include <pt-internal.h>
23 #include <pthreadP.h>
24
25 int
__pthread_attr_setstack(pthread_attr_t * attr,void * stackaddr,size_t stacksize)26 __pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, size_t stacksize)
27 {
28 int err;
29 size_t s;
30
31 /* pthread_attr_setstack should always succeed, thus we set the size
32 first as it is more discriminating. */
33 __pthread_attr_getstacksize (attr, &s);
34
35 err = __pthread_attr_setstacksize (attr, stacksize);
36 if (err)
37 return err;
38
39 err = __pthread_attr_setstackaddr (attr, stackaddr);
40 if (err)
41 {
42 int e = __pthread_attr_setstacksize (attr, s);
43 assert_perror (e);
44
45 return err;
46 }
47
48 return 0;
49 }
50 weak_alias (__pthread_attr_setstack, pthread_attr_setstack)
51