iPXE
sync_cmd.c
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1 /*
2  * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
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 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 #include <string.h>
27 #include <stdio.h>
28 #include <getopt.h>
29 #include <ipxe/command.h>
30 #include <ipxe/parseopt.h>
31 #include <usr/sync.h>
32 
33 /** @file
34  *
35  * "sync" command
36  *
37  */
38 
39 /** "sync" options */
40 struct sync_options {
41  /** Timeout */
42  unsigned long timeout;
43 };
44 
45 /** "sync" option list */
46 static struct option_descriptor sync_opts[] = {
47  OPTION_DESC ( "timeout", 't', required_argument,
49 };
50 
51 /** "sync" command descriptor */
53  COMMAND_DESC ( struct sync_options, sync_opts, 0, 0, NULL );
54 
55 /**
56  * "sync" command
57  *
58  * @v argc Argument count
59  * @v argv Argument list
60  * @ret rc Return status code
61  */
62 static int sync_exec ( int argc, char **argv ) {
63  struct sync_options opts;
64  int rc;
65 
66  /* Parse options */
67  if ( ( rc = parse_options ( argc, argv, &sync_cmd, &opts ) ) != 0 )
68  return rc;
69 
70  /* Wait for pending operations to complete */
71  if ( ( rc = sync ( opts.timeout ) ) != 0 ) {
72  printf ( "Operations did not complete: %s\n", strerror ( rc ) );
73  return rc;
74  }
75 
76  return 0;
77 }
78 
79 /** Sync commands */
80 struct command sync_command __command = {
81  .name = "sync",
82  .exec = sync_exec,
83 };
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
A command-line command.
Definition: command.h:9
int parse_timeout(char *text, unsigned long *value)
Parse timeout value (in ms)
Definition: parseopt.c:111
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
"sync" options
Definition: sync_cmd.c:40
static struct command_descriptor sync_cmd
"sync" command descriptor
Definition: sync_cmd.c:52
struct command sync_command __command
Sync commands.
Definition: sync_cmd.c:80
static struct option_descriptor sync_opts[]
"sync" option list
Definition: sync_cmd.c:46
Parse command-line options.
int sync(unsigned long timeout)
Wait for pending operations to complete.
Definition: sync.c:73
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.
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
unsigned long timeout
Timeout.
Definition: sync_cmd.c:42
const char * name
Name of the command.
Definition: command.h:11
static int sync_exec(int argc, char **argv)
"sync" command
Definition: sync_cmd.c:62
Wait for pending operations to complete.
#define OPTION_DESC(_longopt, _shortopt, _has_arg, _struct, _field, _parse)
Construct option descriptor.
Definition: parseopt.h:66
Option requires an argument.
Definition: getopt.h:18
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
void timeout(int)
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362
String functions.