/* Spin locks.  Mach version.

   Copyright (C) 2002-2018 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

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

#include <machine-lock.h>

/* In glibc.  */

extern void __spin_lock_solid (__spin_lock_t *lock);

/* Lock the spin lock object LOCK.  If the lock is held by another

   thread spin until it becomes available.  */

int

_pthread_spin_lock (__spin_lock_t *lock)

{

  __spin_lock_solid (lock);

  return 0;

}