sysdeps/mach/hurd/htl/pt-mutexattr-setpshared.c

   1 /* pthread_mutexattr_setpshared.  Hurd version.
   2    Copyright (C) 2016-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <pthread.h>
  20 #include <stdlib.h>
  21 #include <assert.h>
  22 #include <pt-internal.h>
  23 #include "pt-mutex.h"
  24 #include <hurdlock.h>
  25
  26 int
  27 pthread_mutexattr_setpshared (pthread_mutexattr_t *attrp, int pshared)
  28 {
  29   if (pshared != PTHREAD_PROCESS_PRIVATE && pshared != PTHREAD_PROCESS_SHARED)
  30     return EINVAL;
  31
  32   attrp->__pshared = pshared;
  33   return 0;
  34 }