glibc/sysdeps/mach/hurd/settimeofday.c

53 lines
1.5 KiB
C

/* 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>
#include <hurd/port.h>
/* Set the current time of day and timezone information.
This call is restricted to the super-user. */
int
__settimeofday (const struct timeval *tv, const struct timezone *tz)
{
error_t err;
mach_port_t hostpriv;
if (tz != NULL)
{
errno = ENOSYS;
return -1;
}
err = __get_privileged_ports (&hostpriv, NULL);
if (err)
return __hurd_fail (EPERM);
/* `time_value_t' and `struct timeval' are in fact identical with the
names changed. */
err = __host_set_time (hostpriv, *(time_value_t *) tv);
__mach_port_deallocate (__mach_task_self (), hostpriv);
if (err)
return __hurd_fail (err);
return 0;
}
weak_alias (__settimeofday, settimeofday)