mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-30 19:48:19 +00:00
d530add2ef
Provide a man-page for the sleep command. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Simon Glass <sjg@chromium.org>
46 lines
840 B
ReStructuredText
46 lines
840 B
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
|
|
.. Copyright 2023, Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
|
|
|
|
sleep command
|
|
=============
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
::
|
|
|
|
sleep <delay>
|
|
|
|
Description
|
|
-----------
|
|
|
|
The *sleep* command waits for *delay* seconds. It can be interrupted by
|
|
CTRL+C.
|
|
|
|
delay
|
|
delay in seconds. The value is decimal and can be fractional.
|
|
|
|
Example
|
|
-------
|
|
|
|
The current data and time is display before and after sleeping for 3.2
|
|
seconds:
|
|
|
|
::
|
|
|
|
=> date; sleep 3.2; date
|
|
Date: 2023-01-21 (Saturday) Time: 16:02:41
|
|
Date: 2023-01-21 (Saturday) Time: 16:02:44
|
|
=>
|
|
|
|
Configuration
|
|
-------------
|
|
|
|
The command is only available if CONFIG_CMD_SLEEP=y.
|
|
|
|
Return value
|
|
------------
|
|
|
|
The return value $? is 0 (true) if the command completes.
|
|
The return value is 1 (false) if the command is interrupted by CTRL+C.
|