1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/fdatasync.c b/sysdeps/mach/hurd/fdatasync.c
new file mode 100644
index 0000000000..d7f82efe25
--- /dev/null
+++ b/sysdeps/mach/hurd/fdatasync.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1991, 92, 93, 94, 96 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* Make all changes done to FD's file data actually appear on disk.  */
+int
+fdatasync (int fd)
+{
+  error_t err = HURD_DPORT_USE (fd, __file_sync (port, 1, 1));
+  if (err)
+    return __hurd_dfail (fd, err);
+  return 0;
+}