1 /* pthread_mutexattr_setprotocol.  Hurd version.
2    Copyright (C) 2016-2022 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    <https://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
pthread_mutexattr_setprotocol(pthread_mutexattr_t * attrp,int proto)27 pthread_mutexattr_setprotocol (pthread_mutexattr_t *attrp, int proto)
28 {
29   (void) attrp;
30   return (proto == PTHREAD_PRIO_NONE
31 	  ? 0
32 	  : (proto != PTHREAD_PRIO_INHERIT
33 	     && proto != PTHREAD_PRIO_PROTECT) ? EINVAL : ENOTSUP);
34 }
35