nptl/pthread_mutexattr_getrobust.c

   1 /* Copyright (C) 2005-2023 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 <pthreadP.h>
  19 #include <shlib-compat.h>
  20
  21 int
  22 __pthread_mutexattr_getrobust (const pthread_mutexattr_t *attr,
  23                                int *robustness)
  24 {
  25   const struct pthread_mutexattr *iattr;
  26
  27   iattr = (const struct pthread_mutexattr *) attr;
  28
  29   *robustness = ((iattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_ROBUST) != 0
  30                  ? PTHREAD_MUTEX_ROBUST_NP : PTHREAD_MUTEX_STALLED_NP);
  31
  32   return 0;
  33 }
  34 versioned_symbol (libc, __pthread_mutexattr_getrobust,
  35                   pthread_mutexattr_getrobust, GLIBC_2_34);
  36
  37 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_4, GLIBC_2_34)
  38 compat_symbol (libpthread, __pthread_mutexattr_getrobust,
  39                pthread_mutexattr_getrobust_np, GLIBC_2_4);
  40 #endif
  41
  42 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_12, GLIBC_2_34)
  43 compat_symbol (libpthread, __pthread_mutexattr_getrobust,
  44                pthread_mutexattr_getrobust, GLIBC_2_12);
  45 #endif