1 | /* Copyright (C) 2002-2018 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 | <http://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <errno.h> |
20 | #include <limits.h> |
21 | #include "pthreadP.h" |
22 | |
23 | |
24 | #ifndef NEW_VERNUM |
25 | # define NEW_VERNUM GLIBC_2_3_3 |
26 | #endif |
27 | |
28 | |
29 | int |
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 | } |
56 | |
57 | #if PTHREAD_STACK_MIN == 16384 |
58 | strong_alias (__pthread_attr_setstack, pthread_attr_setstack) |
59 | #else |
60 | # include <shlib-compat.h> |
61 | versioned_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack, |
62 | NEW_VERNUM); |
63 | |
64 | # if SHLIB_COMPAT(libpthread, GLIBC_2_2, NEW_VERNUM) |
65 | |
66 | int |
67 | __old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, |
68 | size_t stacksize) |
69 | { |
70 | struct pthread_attr *iattr; |
71 | |
72 | iattr = (struct pthread_attr *) attr; |
73 | |
74 | /* Catch invalid sizes. */ |
75 | if (stacksize < 16384) |
76 | return EINVAL; |
77 | |
78 | # ifdef EXTRA_PARAM_CHECKS |
79 | EXTRA_PARAM_CHECKS; |
80 | # endif |
81 | |
82 | iattr->stacksize = stacksize; |
83 | #if _STACK_GROWS_DOWN |
84 | iattr->stackaddr = (char *) stackaddr + stacksize; |
85 | #else |
86 | iattr->stackaddr = (char *) stackaddr; |
87 | #endif |
88 | iattr->flags |= ATTR_FLAG_STACKADDR; |
89 | |
90 | return 0; |
91 | } |
92 | |
93 | compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack, |
94 | GLIBC_2_2); |
95 | # endif |
96 | |
97 | #endif |
98 | |