iPXE
poweroff_cmd.c
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1 /*
2  * Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 #include <stdio.h>
25 #include <string.h>
26 #include <getopt.h>
27 #include <ipxe/command.h>
28 #include <ipxe/parseopt.h>
29 #include <ipxe/reboot.h>
30 
31 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
32 
33 /** @file
34  *
35  * Power off command
36  *
37  */
38 
39 /** "poweroff" options */
40 struct poweroff_options {};
41 
42 /** "poweroff" option list */
43 static struct option_descriptor poweroff_opts[] = {};
44 
45 /** "poweroff" command descriptor */
48 
49 /**
50  * The "poweroff" command
51  *
52  * @v argc Argument count
53  * @v argv Argument list
54  * @ret rc Return status code
55  */
56 static int poweroff_exec ( int argc, char **argv ) {
57  struct poweroff_options opts;
58  int rc;
59 
60  /* Parse options */
61  if ( ( rc = parse_options ( argc, argv, &poweroff_cmd, &opts ) ) != 0 )
62  return rc;
63 
64  /* Power off system */
65  rc = poweroff();
66  if ( rc != 0 )
67  printf ( "Could not power off: %s\n", strerror ( rc ) );
68 
69  return rc;
70 }
71 
72 /** "poweroff" command */
73 struct command poweroff_command __command = {
74  .name = "poweroff",
75  .exec = poweroff_exec,
76 };
struct arbelprm_rc_send_wqe rc
Definition: arbel.h:14
int printf(const char *fmt,...)
Write a formatted string to the console.
Definition: vsprintf.c:464
"poweroff" options
Definition: poweroff_cmd.c:40
struct command poweroff_command __command
"poweroff" command
Definition: poweroff_cmd.c:73
A command-line command.
Definition: command.h:9
int parse_options(int argc, char **argv, struct command_descriptor *cmd, void *opts)
Parse command-line options.
Definition: parseopt.c:447
A command descriptor.
Definition: parseopt.h:76
iPXE reboot API
int poweroff(void)
Power off system.
Parse command-line options.
static union @423 opts
"cert<xxx>" option list
char * strerror(int errno)
Retrieve string representation of error number.
Definition: strerror.c:78
Command line option parsing.
static struct option_descriptor poweroff_opts[]
"poweroff" option list
Definition: poweroff_cmd.c:43
const char * name
Name of the command.
Definition: command.h:11
static struct command_descriptor poweroff_cmd
"poweroff" command descriptor
Definition: poweroff_cmd.c:46
A command-line option descriptor.
Definition: parseopt.h:22
#define COMMAND_DESC(_struct, _options, _min_args, _max_args, _usage)
Construct command descriptor.
Definition: parseopt.h:107
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362
String functions.
static int poweroff_exec(int argc, char **argv)
The "poweroff" command.
Definition: poweroff_cmd.c:56