1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/clock_settime.c b/sysdeps/mach/hurd/clock_settime.c
new file mode 100644
index 0000000000..a69fdca46a
--- /dev/null
+++ b/sysdeps/mach/hurd/clock_settime.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 1991-2019 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <time.h>
+#include <hurd.h>
+#include <hurd/port.h>
+#include <shlib-compat.h>
+
+/* Set the current time of day.
+   This call is restricted to the super-user.  */
+int
+__clock_settime (clockid_t clock_id, const struct timespec *ts)
+{
+  error_t err;
+  mach_port_t hostpriv;
+  time_value_t tv;
+
+  if (clock_id != CLOCK_REALTIME
+      || ! valid_nanoseconds (ts->tv_nsec))
+    return __hurd_fail (EINVAL);
+
+  err = __get_privileged_ports (&hostpriv, NULL);
+  if (err)
+    return __hurd_fail (EPERM);
+
+  TIMESPEC_TO_TIME_VALUE (&tv, ts);
+  err = __host_set_time (hostpriv, tv);
+  __mach_port_deallocate (__mach_task_self (), hostpriv);
+
+  return __hurd_fail (err);
+}
+libc_hidden_def (__clock_settime)
+
+versioned_symbol (libc, __clock_settime, clock_settime, GLIBC_2_17);
+/* clock_settime moved to libc in version 2.17;
+   old binaries may expect the symbol version it had in librt.  */
+#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_17)
+strong_alias (__clock_settime, __clock_settime_2);
+compat_symbol (libc, __clock_settime_2, clock_settime, GLIBC_2_2);
+#endif