1/* Copyright (C) 2002-2023 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 <errno.h>
19#include <limits.h>
20#include "pthreadP.h"
21#include <shlib-compat.h>
22
23
24#ifndef NEW_VERNUM
25# define NEW_VERNUM GLIBC_2_3_3
26#endif
27
28
29int
30__pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
31 size_t stacksize)
32{
33 struct pthread_attr *iattr;
34
35 iattr = (struct pthread_attr *) attr;
36
37 /* Catch invalid sizes. */
38 int ret = check_stacksize_attr (stacksize);
39 if (ret)
40 return ret;
41
42#ifdef EXTRA_PARAM_CHECKS
43 EXTRA_PARAM_CHECKS;
44#endif
45
46 iattr->stacksize = stacksize;
47#if _STACK_GROWS_DOWN
48 iattr->stackaddr = (char *) stackaddr + stacksize;
49#else
50 iattr->stackaddr = (char *) stackaddr;
51#endif
52 iattr->flags |= ATTR_FLAG_STACKADDR;
53
54 return 0;
55}
56versioned_symbol (libc, __pthread_attr_setstack, pthread_attr_setstack,
57 GLIBC_2_34);
58
59#if PTHREAD_STACK_MIN == 16384
60# if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
61compat_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack,
62 GLIBC_2_2);
63# endif
64#else /* PTHREAD_STACK_MIN != 16384 */
65# if OTHER_SHLIB_COMPAT (libpthread, NEW_VERNUM, GLIBC_2_34)
66compat_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack,
67 NEW_VERNUM);
68# endif
69
70# if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, NEW_VERNUM)
71int
72__old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
73 size_t stacksize)
74{
75 struct pthread_attr *iattr;
76
77 iattr = (struct pthread_attr *) attr;
78
79 /* Catch invalid sizes. */
80 if (stacksize < 16384)
81 return EINVAL;
82
83# ifdef EXTRA_PARAM_CHECKS
84 EXTRA_PARAM_CHECKS;
85# endif
86
87 iattr->stacksize = stacksize;
88# if _STACK_GROWS_DOWN
89 iattr->stackaddr = (char *) stackaddr + stacksize;
90# else
91 iattr->stackaddr = (char *) stackaddr;
92# endif
93 iattr->flags |= ATTR_FLAG_STACKADDR;
94
95 return 0;
96}
97
98compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack,
99 GLIBC_2_2);
100# endif /* OTHER_SHLIB_COMPAT */
101#endif /* PTHREAD_STACK_MIN != 16384 */
102