nptl/pthread_mutexattr_getrobust.c

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