nptl/pthread_mutexattr_getpshared.c

   1 /* Copyright (C) 2002-2022 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_getpshared (const pthread_mutexattr_t *attr, int *pshared)
  23 {
  24   const struct pthread_mutexattr *iattr;
  25
  26   iattr = (const struct pthread_mutexattr *) attr;
  27
  28   *pshared = ((iattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_PSHARED) != 0
  29               ? PTHREAD_PROCESS_SHARED : PTHREAD_PROCESS_PRIVATE);
  30
  31   return 0;
  32 }
  33 versioned_symbol (libc, __pthread_mutexattr_getpshared,
  34                   pthread_mutexattr_getpshared, GLIBC_2_34);
  35
  36 #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
  37 compat_symbol (libpthread, __pthread_mutexattr_getpshared,
  38                pthread_mutexattr_getpshared, GLIBC_2_2);
  39 #endif