1 files changed, 37 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/fsync.c b/REORG.TODO/sysdeps/mach/hurd/fsync.c
new file mode 100644
index 0000000000..a96e2a460f
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/fsync.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991-2017 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* Make all changes done to FD actually appear on disk.  */
+int
+fsync (int fd)
+{
+  error_t err = HURD_DPORT_USE (fd, __file_sync (port, 1, 0));
+  if (err)
+    {
+      if (err == EOPNOTSUPP)
+	/* If the file descriptor does not support sync, return EINVAL
+	   as POSIX specifies.  */
+	err = EINVAL;
+      return __hurd_dfail (fd, err);
+    }
+  return 0;
+}