sysdeps/mach/hurd/fdatasync.c

   1 /* Copyright (C) 1991, 92, 93, 94, 96, 97 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <unistd.h>
  21 #include <hurd.h>
  22 #include <hurd/fd.h>
  23
  24 /* Make all changes done to FD's file data actually appear on disk.  */
  25 int
  26 fdatasync (int fd)
  27 {
  28   error_t err = HURD_DPORT_USE (fd, __file_sync (port, 1, 1));
  29   if (err)
  30     return __hurd_dfail (fd, err);
  31   return 0;
  32 }