mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* Copyright (C) 1991-2016 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;
|
|
|
|
err = __get_privileged_ports (&hostpriv, NULL);
|
|
if (err)
|
|
return __hurd_fail (EPERM);
|
|
|
|
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)
|