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glibc  2.9
reboot.c
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00001 /* Copyright (C) 1992,93,94,97,98,2001 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <errno.h>
00020 #include <unistd.h>
00021 #include <hurd.h>
00022 #include <hurd/startup.h>
00023 #include <sys/reboot.h>
00024 
00025 /* Reboot the system.  */
00026 int
00027 reboot (int howto)
00028 {
00029   error_t err;
00030   startup_t init;
00031   mach_port_t hostpriv;
00032 
00033   err = __get_privileged_ports (&hostpriv, NULL);
00034   if (err)
00035     return __hurd_fail (EPERM);
00036 
00037   err = __USEPORT (PROC, __proc_getmsgport (port, 1, &init));
00038   if (!err)
00039     {
00040       err = __startup_reboot (init, hostpriv, howto);
00041       __mach_port_deallocate (__mach_task_self (), init);
00042     }
00043 
00044   __mach_port_deallocate (__mach_task_self (), hostpriv);
00045 
00046   if (err)
00047     return __hurd_fail (err);
00048 
00049   return 0;
00050 }