/* elision-unlock.c: Commit an elided pthread lock.

   Copyright (C) 2013-2018 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 "pthreadP.h"

#include "lowlevellock.h"

#include "hle.h"

int

__lll_unlock_elision(int *lock, int private)

{

  /* When the lock was free we're in a transaction.

     When you crash here you unlocked a free lock.  */

  if (*lock == 0)

    _xend();

  else

    lll_unlock ((*lock), private);

  return 0;

}