blob: 40a3a47ef9ada14931492f0ee3879db70f826051 [file] [log] [blame]
/*
* sleep.c - delay execution
*
* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <clock.h>
static int do_sleep(struct command *cmdtp, int argc, char *argv[])
{
uint64_t start;
ulong delay;
if (argc != 2)
return COMMAND_ERROR_USAGE;
delay = simple_strtoul(argv[1], NULL, 10);
start = get_time_ns();
while (!is_timeout(start, delay * SECOND)) {
if (ctrlc())
return 1;
}
return 0;
}
BAREBOX_CMD_START(sleep)
.cmd = do_sleep,
.usage = "delay execution for n seconds",
BAREBOX_CMD_END