hurd: Add futimens support

* sysdeps/mach/hurd/futimens.c: New file.

2 files changed, 51 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index a2d8575c38..e0639e93ec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -47,6 +47,7 @@
 	* hurd/hurd/resource.h: Include <bits/types/error_t.h>
 	* hurd/hurd/signal.h: Include <bits/types/error_t.h>
 	* hurd/hurd/sigpreempt.h: Include <bits/types/error_t.h>
+	* sysdeps/mach/hurd/futimens.c: New file.
 
 2018-03-03  Andreas Schwab  <schwab@linux-m68k.org>
 
diff --git a/sysdeps/mach/hurd/futimens.c b/sysdeps/mach/hurd/futimens.c
new file mode 100644
index 0000000000..44ba7f15f1
--- /dev/null
+++ b/sysdeps/mach/hurd/futimens.c
@@ -0,0 +1,50 @@
+/* futimens -- change access and modification times of open file.  Hurd version.
+   Copyright (C) 2002-2018 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 <sys/time.h>
+#include <errno.h>
+#include <stddef.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* Change the access time of FD to TSP[0] and
+   the modification time of FD to TSP[1].  */
+int
+__futimens (int fd, const struct timespec tsp[2])
+{
+  time_value_t atime, mtime;
+  error_t err;
+
+  if (tsp == NULL)
+    {
+      /* Setting the number of microseconds to `-1' tells the
+         underlying filesystems to use the current time.  */
+      atime.microseconds = mtime.microseconds = -1;
+    }
+  else
+    {
+      atime.seconds = tsp[0].tv_sec;
+      atime.microseconds = tsp[0].tv_nsec / 1000;
+      mtime.seconds = tsp[1].tv_sec;
+      mtime.microseconds = tsp[1].tv_nsec / 1000;
+    }
+
+  err = HURD_DPORT_USE (fd, __file_utimes (port, atime, mtime));
+  return err ? __hurd_dfail (fd, err) : 0;
+}
+weak_alias (__futimens, futimens)