1 /* Copyright (C) 2005-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
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.
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.
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/>. */
21 #include <shlib-compat.h>
24 __pthread_mutexattr_setrobust (pthread_mutexattr_t
*attr
, int robustness
)
26 if (robustness
!= PTHREAD_MUTEX_STALLED_NP
27 && __builtin_expect (robustness
!= PTHREAD_MUTEX_ROBUST_NP
, 0))
30 struct pthread_mutexattr
*iattr
= (struct pthread_mutexattr
*) attr
;
32 /* We use bit 30 to signal whether the mutex is going to be
34 if (robustness
== PTHREAD_MUTEX_STALLED_NP
)
35 iattr
->mutexkind
&= ~PTHREAD_MUTEXATTR_FLAG_ROBUST
;
37 iattr
->mutexkind
|= PTHREAD_MUTEXATTR_FLAG_ROBUST
;
41 versioned_symbol (libc
, __pthread_mutexattr_setrobust
,
42 pthread_mutexattr_setrobust
, GLIBC_2_34
);
44 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_4, GLIBC_2_34)
45 compat_symbol (libpthread
, __pthread_mutexattr_setrobust
,
46 pthread_mutexattr_setrobust_np
, GLIBC_2_4
);
49 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_12, GLIBC_2_34)
50 compat_symbol (libpthread
, __pthread_mutexattr_setrobust
,
51 pthread_mutexattr_setrobust
, GLIBC_2_12
);