sync_cmd.c

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/*
 * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
 *
 * This program 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 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 *
 * You can also choose to distribute this program under the terms of
 * the Unmodified Binary Distribution Licence (as given in the file
 * COPYING.UBDL), provided that you have satisfied its requirements.
 */
 
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
FILE_SECBOOT ( PERMITTED );
 
#include <string.h>
#include <stdio.h>
#include <getopt.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>
#include <usr/sync.h>
 
/** @file
 *
 * "sync" command
 *
 */
 
/** "sync" options */
struct sync_options {
        /** Timeout */
        unsigned long timeout;
};
 
/** "sync" option list */
static struct option_descriptor sync_opts[] = {
        OPTION_DESC ( "timeout", 't', required_argument,
                      struct sync_options, timeout, parse_timeout ),
};
 
/** "sync" command descriptor */
static struct command_descriptor sync_cmd =
        COMMAND_DESC ( struct sync_options, sync_opts, 0, 0, NULL );
 
/**
 * "sync" command
 *
 * @v argc              Argument count
 * @v argv              Argument list
 * @ret rc              Return status code
 */
static int sync_exec ( int argc, char **argv ) {
        struct sync_options opts;
        int rc;
 
        /* Parse options */
        if ( ( rc = parse_options ( argc, argv, &sync_cmd, &opts ) ) != 0 )
                return rc;
 
        /* Wait for pending operations to complete */
        if ( ( rc = sync ( opts.timeout ) ) != 0 ) {
                printf ( "Operations did not complete: %s\n", strerror ( rc ) );
                return rc;
        }
 
        return 0;
}
 
/** Sync commands */
COMMAND ( sync, sync_exec );