iPXE
sync_cmd.c
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00001 /*
00002  * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License as
00006  * published by the Free Software Foundation; either version 2 of the
00007  * License, or any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017  * 02110-1301, USA.
00018  *
00019  * You can also choose to distribute this program under the terms of
00020  * the Unmodified Binary Distribution Licence (as given in the file
00021  * COPYING.UBDL), provided that you have satisfied its requirements.
00022  */
00023 
00024 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
00025 
00026 #include <string.h>
00027 #include <stdio.h>
00028 #include <getopt.h>
00029 #include <ipxe/command.h>
00030 #include <ipxe/parseopt.h>
00031 #include <usr/sync.h>
00032 
00033 /** @file
00034  *
00035  * "sync" command
00036  *
00037  */
00038 
00039 /** "sync" options */
00040 struct sync_options {
00041         /** Timeout */
00042         unsigned long timeout;
00043 };
00044 
00045 /** "sync" option list */
00046 static struct option_descriptor sync_opts[] = {
00047         OPTION_DESC ( "timeout", 't', required_argument,
00048                       struct sync_options, timeout, parse_timeout ),
00049 };
00050 
00051 /** "sync" command descriptor */
00052 static struct command_descriptor sync_cmd =
00053         COMMAND_DESC ( struct sync_options, sync_opts, 0, 0, NULL );
00054 
00055 /**
00056  * "sync" command
00057  *
00058  * @v argc              Argument count
00059  * @v argv              Argument list
00060  * @ret rc              Return status code
00061  */
00062 static int sync_exec ( int argc, char **argv ) {
00063         struct sync_options opts;
00064         int rc;
00065 
00066         /* Parse options */
00067         if ( ( rc = parse_options ( argc, argv, &sync_cmd, &opts ) ) != 0 )
00068                 return rc;
00069 
00070         /* Wait for pending operations to complete */
00071         if ( ( rc = sync ( opts.timeout ) ) != 0 ) {
00072                 printf ( "Operations did not complete: %s\n", strerror ( rc ) );
00073                 return rc;
00074         }
00075 
00076         return 0;
00077 }
00078 
00079 /** Sync commands */
00080 struct command sync_command __command = {
00081         .name = "sync",
00082         .exec = sync_exec,
00083 };