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

   1 /* pthread_mutexattr_setprotocol.  Hurd version.
   2    Copyright (C) 2016-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    This program is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License
   7    as published by the Free Software Foundation; either
   8    version 2 of the license, or (at your option) any later version.
   9
  10    This program 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
  13    GNU Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with this program; if not, see
  17    <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include <pthread.h>
  21 #include <stdlib.h>
  22 #include <assert.h>
  23 #include <pt-internal.h>
  24 #include "pt-mutex.h"
  25 #include <hurdlock.h>
  26
  27 int
  28 pthread_mutexattr_setprotocol (pthread_mutexattr_t *attrp, int proto)
  29 {
  30   (void) attrp;
  31   return proto == PTHREAD_PRIO_NONE ? 0 :
  32          proto != PTHREAD_PRIO_INHERIT &&
  33          proto != PTHREAD_PRIO_PROTECT ? EINVAL : ENOTSUP;
  34 }