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581c785b | 1 | /* Copyright (C) 2005-2022 Free Software Foundation, Inc. |
1bcfb5a5 | 2 | This file is part of the GNU C Library. |
1bcfb5a5 UD |
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 | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
1bcfb5a5 UD |
17 | |
18 | #include <errno.h> | |
19 | #include <pthreadP.h> | |
1ec4cd5a | 20 | #include <shlib-compat.h> |
1bcfb5a5 UD |
21 | |
22 | int | |
1ec4cd5a | 23 | __pthread_mutexattr_setrobust (pthread_mutexattr_t *attr, int robustness) |
1bcfb5a5 UD |
24 | { |
25 | if (robustness != PTHREAD_MUTEX_STALLED_NP | |
26 | && __builtin_expect (robustness != PTHREAD_MUTEX_ROBUST_NP, 0)) | |
27 | return EINVAL; | |
28 | ||
29 | struct pthread_mutexattr *iattr = (struct pthread_mutexattr *) attr; | |
30 | ||
31 | /* We use bit 30 to signal whether the mutex is going to be | |
32 | robust or not. */ | |
33 | if (robustness == PTHREAD_MUTEX_STALLED_NP) | |
34 | iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_ROBUST; | |
35 | else | |
36 | iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_ROBUST; | |
37 | ||
38 | return 0; | |
39 | } | |
1ec4cd5a FW |
40 | versioned_symbol (libc, __pthread_mutexattr_setrobust, |
41 | pthread_mutexattr_setrobust, GLIBC_2_34); | |
42 | ||
43 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_4, GLIBC_2_34) | |
44 | compat_symbol (libpthread, __pthread_mutexattr_setrobust, | |
45 | pthread_mutexattr_setrobust_np, GLIBC_2_4); | |
46 | #endif | |
47 | ||
48 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_12, GLIBC_2_34) | |
49 | compat_symbol (libpthread, __pthread_mutexattr_setrobust, | |
50 | pthread_mutexattr_setrobust, GLIBC_2_12); | |
51 | #endif |