about summary refs log tree commit diff
path: root/REORG.TODO/sysdeps/mach/hurd/adjtime.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/adjtime.c')
-rw-r--r--REORG.TODO/sysdeps/mach/hurd/adjtime.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/adjtime.c b/REORG.TODO/sysdeps/mach/hurd/adjtime.c
new file mode 100644
index 0000000000..3175e47ff0
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/adjtime.c
@@ -0,0 +1,52 @@
+/* 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 <sys/time.h>
+#include <hurd.h>
+
+/* Adjust the current time of day by the amount in DELTA.
+   If OLDDELTA is not NULL, it is filled in with the amount
+   of time adjustment remaining to be done from the last `__adjtime' call.
+   This call is restricted to the super-user.  */
+int
+__adjtime (const struct timeval *delta, struct timeval *olddelta)
+{
+  error_t err;
+  mach_port_t hostpriv;
+  struct timeval dummy;
+
+  err = __get_privileged_ports (&hostpriv, NULL);
+  if (err)
+    return __hurd_fail (EPERM);
+
+  if (olddelta == NULL)
+    olddelta = &dummy;
+
+  err = __host_adjust_time (hostpriv,
+			    /* `time_value_t' and `struct timeval' are in
+                               fact identical with the names changed.  */
+			    *(time_value_t *) delta,
+			    (time_value_t *) olddelta);
+  __mach_port_deallocate (__mach_task_self (), hostpriv);
+
+  if (err)
+    return __hurd_fail (err);
+  return 0;
+}
+
+weak_alias (__adjtime, adjtime)