sysdeps/unix/sysv/linux/sys/reboot.h

   1 /* Copyright (C) 1996-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 /* This file should define RB_* macros to be used as flag
  19    bits in the argument to the `reboot' system call.  */
  20
  21 #ifndef _SYS_REBOOT_H
  22 #define _SYS_REBOOT_H   1
  23
  24 #include <features.h>
  25
  26 /* Perform a hard reset now.  */
  27 #define RB_AUTOBOOT     0x01234567
  28
  29 /* Halt the system.  */
  30 #define RB_HALT_SYSTEM  0xcdef0123
  31
  32 /* Enable reboot using Ctrl-Alt-Delete keystroke.  */
  33 #define RB_ENABLE_CAD   0x89abcdef
  34
  35 /* Disable reboot using Ctrl-Alt-Delete keystroke.  */
  36 #define RB_DISABLE_CAD  0
  37
  38 /* Stop system and switch power off if possible.  */
  39 #define RB_POWER_OFF    0x4321fedc
  40
  41 /* Suspend system using software suspend.  */
  42 #define RB_SW_SUSPEND   0xd000fce2
  43
  44 /* Reboot system into new kernel.  */
  45 #define RB_KEXEC        0x45584543
  46
  47 __BEGIN_DECLS
  48
  49 /* Reboot or halt the system.  */
  50 extern int reboot (int __howto) __THROW;
  51
  52 __END_DECLS
  53
  54 #endif  /* _SYS_REBOOT_H */