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

35 lines
1.2 KiB
C

/* pthread_mutexattr_setprotocol. Hurd version.
Copyright (C) 2016-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <stdlib.h>
#include <assert.h>
#include <pt-internal.h>
#include "pt-mutex.h"
#include <hurdlock.h>
int
pthread_mutexattr_setprotocol (pthread_mutexattr_t *attrp, int proto)
{
(void) attrp;
return (proto == PTHREAD_PRIO_NONE
? 0
: (proto != PTHREAD_PRIO_INHERIT
&& proto != PTHREAD_PRIO_PROTECT) ? EINVAL : ENOTSUP);
}