/* Copyright (C) 2002-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   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

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include <pthreadP.h>

int

__pthread_mutexattr_settype (pthread_mutexattr_t *attr, int kind)

{

  struct pthread_mutexattr *iattr;

  if (kind < PTHREAD_MUTEX_NORMAL || kind > PTHREAD_MUTEX_ADAPTIVE_NP)

    return EINVAL;

  /* Cannot distinguish between DEFAULT and NORMAL. So any settype

     call disables elision for now.  */

  if (kind == PTHREAD_MUTEX_NORMAL)

    kind |= PTHREAD_MUTEX_NO_ELISION_NP;

  iattr = (struct pthread_mutexattr *) attr;

  iattr->mutexkind = (iattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_BITS) | kind;

  return 0;

}

weak_alias (__pthread_mutexattr_settype, pthread_mutexattr_setkind_np)

weak_alias (__pthread_mutexattr_settype, pthread_mutexattr_settype)

hidden_def (__pthread_mutexattr_settype)