1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* Copyright (C) 1991-2021 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
|
