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 <errno.h>
20#include <limits.h>
21#include "pthreadP.h"
22#include <shlib-compat.h>
23
24
25#ifndef NEW_VERNUM
26# define NEW_VERNUM GLIBC_2_3_3
27#endif
28
29
30int
31__pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
32 size_t stacksize)
33{
34 struct pthread_attr *iattr;
35
36 iattr = (struct pthread_attr *) attr;
37
38 /* Catch invalid sizes. */
39 int ret = check_stacksize_attr (stacksize);
40 if (ret)
41 return ret;
42
43#ifdef EXTRA_PARAM_CHECKS
44 EXTRA_PARAM_CHECKS;
45#endif
46
47 iattr->stacksize = stacksize;
48#if _STACK_GROWS_DOWN
49 iattr->stackaddr = (char *) stackaddr + stacksize;
50#else
51 iattr->stackaddr = (char *) stackaddr;
52#endif
53 iattr->flags |= ATTR_FLAG_STACKADDR;
54
55 return 0;
56}
57versioned_symbol (libc, __pthread_attr_setstack, pthread_attr_setstack,
58 GLIBC_2_34);
59
60#if PTHREAD_STACK_MIN == 16384
61# if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
62compat_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack,
63 GLIBC_2_2);
64# endif
65#else /* PTHREAD_STACK_MIN != 16384 */
66# if OTHER_SHLIB_COMPAT (libpthread, NEW_VERNUM, GLIBC_2_34)
67compat_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack,
68 NEW_VERNUM);
69# endif
70
71# if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, NEW_VERNUM)
72int
73__old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
74 size_t stacksize)
75{
76 struct pthread_attr *iattr;
77
78 iattr = (struct pthread_attr *) attr;
79
80 /* Catch invalid sizes. */
81 if (stacksize < 16384)
82 return EINVAL;
83
84# ifdef EXTRA_PARAM_CHECKS
85 EXTRA_PARAM_CHECKS;
86# endif
87
88 iattr->stacksize = stacksize;
89# if _STACK_GROWS_DOWN
90 iattr->stackaddr = (char *) stackaddr + stacksize;
91# else
92 iattr->stackaddr = (char *) stackaddr;
93# endif
94 iattr->flags |= ATTR_FLAG_STACKADDR;
95
96 return 0;
97}
98
99compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack,
100 GLIBC_2_2);
101# endif /* OTHER_SHLIB_COMPAT */
102#endif /* PTHREAD_STACK_MIN != 16384 */
103