initial import

[thirdparty/glibc.git] / sysdeps / mach / hurd / reboot.c

/* Copyright (C) 1992, 1993, 1994 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 <unistd.h>
#include <hurd.h>
#include <hurd/startup.h>

/* Reboot the system.  */
int
DEFUN(reboot, (howto), int howto)
{
  error_t err;
  startup_t init;
  mach_port_t hostpriv, devmaster;

  if (err = __USEPORT (PROC, __proc_getprivports (port,
						  &hostpriv, &devmaster)))
    return __hurd_fail (err);
  __mach_port_deallocate (__mach_task_self (), devmaster);

  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;
}