/* lockfile - Handle locking and unlocking of streams.  Hurd pthread version.

   Copyright (C) 2000-2018 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 <cthreads.h>

#include <pthread.h>		/* Must come before <stdio.h>! */

#include <stdio.h>

void

_cthreads_flockfile (FILE *fp)

{

  _IO_lock_lock (*fp->_lock);

}

void

_cthreads_funlockfile (FILE *fp)

{

  _IO_lock_unlock (*fp->_lock);

}

int

_cthreads_ftrylockfile (FILE *fp)

{

  return __libc_lock_trylock_recursive (*fp->_lock);

}

#undef	_IO_flockfile

#undef	_IO_funlockfile

#undef	_IO_ftrylockfile

#undef	flockfile

#undef	funlockfile

#undef	ftrylockfile

void _IO_flockfile (FILE *)

     __attribute__ ((alias ("_cthreads_flockfile")));

void _IO_funlockfile (FILE *)

     __attribute__ ((alias ("_cthreads_funlockfile")));

int _IO_ftrylockfile (FILE *)

     __attribute__ ((alias ("_cthreads_ftrylockfile")));

void flockfile (FILE *)

     __attribute__ ((weak, alias ("_cthreads_flockfile")));

void funlockfile (FILE *)

     __attribute__ ((weak, alias ("_cthreads_funlockfile")));

int ftrylockfile (FILE *)

     __attribute__ ((weak, alias ("_cthreads_ftrylockfile")));