grub/commands/i386/pc/halt.c

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/* halt.c - command to halt the computer. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005 Free Software Foundation, Inc.
*
* GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/normal.h>
#include <grub/dl.h>
#include <grub/arg.h>
#include <grub/machine/init.h>
static const struct grub_arg_option options[] =
{
{"no-apm", 'n', 0, "do not use APM to halt the computer", 0, 0},
{0, 0, 0, 0, 0, 0}
};
static grub_err_t
grub_cmd_halt (struct grub_arg_list *state,
int argc __attribute__ ((unused)),
char **args __attribute__ ((unused)))
{
int no_apm = 0;
if (state[0].set)
no_apm = 1;
grub_halt (no_apm);
return 0;
}
#ifdef GRUB_UTIL
void
grub_halt_init (void)
{
grub_register_command ("halt", grub_cmd_halt, GRUB_COMMAND_FLAG_BOTH,
"halt [OPTIONS...]",
"Halt the system, if possible using APM", options);
}
void
grub_halt_fini (void)
{
grub_unregister_command ("halt");
}
#else /* ! GRUB_UTIL */
GRUB_MOD_INIT
{
(void)mod; /* To stop warning. */
grub_register_command ("halt", grub_cmd_halt, GRUB_COMMAND_FLAG_BOTH,
"halt [-n]",
"Halt the system, if possible using APM", options);
}
GRUB_MOD_FINI
{
grub_unregister_command ("halt");
}
#endif /* ! GRUB_UTIL */