code.delx.au - gnu-emacs/blob - lib/fdatasync.c

   1 /* Emulate fdatasync on platforms that lack it.
   2
   3    Copyright (C) 2011-2016 Free Software Foundation, Inc.
   4
   5    This library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU General Public
   7    License as published by the Free Software Foundation; either
   8    version 3 of the License, or (at your option) any later version.
   9
  10    This library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include <config.h>
  19 #include <unistd.h>
  20
  21 int
  22 fdatasync (int fd)
  23 {
  24   /* This does more work than strictly necessary, but is the best we
  25      can do portably.  */
  26   return fsync (fd);
  27 }