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[thirdparty/glibc.git] / sysdeps / htl / ftrylockfile.c

/* Try locking I/O stream.  Hurd version
   Copyright (C) 2002-2019 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 <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdio-lock.h>


int
__ftrylockfile (FILE *stream)
{
#ifdef SHARED
  return __libc_ptf_call (_IO_ftrylockfile, (stream), 0);
#else
  return 0;
#endif
}
weak_alias (__ftrylockfile, _IO_ftrylockfile)
weak_alias (__ftrylockfile, ftrylockfile)