glibc/sysdeps/mach/hurd/settimeofday.c

57 lines
1.7 KiB
C
Raw Normal View History

1995-02-18 01:27:10 +00:00
/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#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
DEFUN(__settimeofday, (tv, tz),
CONST struct timeval *tv AND CONST struct timezone *tz)
{
error_t err;
mach_port_t hostpriv, devmaster;
if (tz != NULL)
{
errno = ENOSYS;
return -1;
}
if (err = __USEPORT (PROC, __proc_getprivports (port,
&hostpriv, &devmaster)))
return __hurd_fail (err);
__mach_port_deallocate (__mach_task_self (), devmaster);
/* `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)