glibc/sysdeps/mach/hurd/reboot.c

50 lines
1.4 KiB
C

/* Copyright (C) 1992-2017 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 <unistd.h>
#include <hurd.h>
#include <hurd/startup.h>
#include <sys/reboot.h>
/* Reboot the system. */
int
reboot (int howto)
{
error_t err;
startup_t init;
mach_port_t hostpriv;
err = __get_privileged_ports (&hostpriv, NULL);
if (err)
return __hurd_fail (EPERM);
err = __USEPORT (PROC, __proc_getmsgport (port, 1, &init));
if (!err)
{
err = __startup_reboot (init, hostpriv, howto);
__mach_port_deallocate (__mach_task_self (), init);
}
__mach_port_deallocate (__mach_task_self (), hostpriv);
if (err)
return __hurd_fail (err);
return 0;
}