emacs/lib/fdatasync.c

/* Emulate fdatasync on platforms that lack it.

   Copyright (C) 2011-2016 Free Software Foundation, Inc.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.

   This 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
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>
#include <unistd.h>

int
fdatasync (int fd)
{
  /* This does more work than strictly necessary, but is the best we
     can do portably.  */
  return fsync (fd);
}