xref: /netbsd-src/sys/modules/examples/luahello/luahello.lua (revision f0dad708b37bd6f5048a66ff2d48c1453845f039)
1--	$NetBSD: luahello.lua,v 1.3 2023/04/16 20:46:17 nikita Exp $
2--
3--
4-- Copyright (c) 2015 The NetBSD Foundation, Inc.
5-- All rights reserved.
6--
7-- Redistribution and use in source and binary forms, with or without
8-- modification, are permitted provided that the following conditions
9-- are met:
10-- 1. Redistributions of source code must retain the above copyright
11--    notice, this list of conditions and the following disclaimer.
12-- 2. Redistributions in binary form must reproduce the above copyright
13--    notice, this list of conditions and the following disclaimer in the
14--    documentation and/or other materials provided with the distribution.
15--
16-- THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17-- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19-- PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20-- BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26-- POSSIBILITY OF SUCH DAMAGE.
27--
28--
29-- Print `Hello Lua world' in dmesg(8)
30--
31-- Tutorial
32-- 1. Load the lua and luasystm modules.
33--    modload lua
34--    modload luasystm
35--
36-- 2. Create Lua state for our code
37--    luactl create state1
38--
39-- 3. Require systm(9lua) for state1
40--    luactl require state1 systm
41--
42-- 4. Load our code in state1
43--    luactl load state1 ./luahello.lua
44--
45-- NB. The path with our code must contain at least single '/' character
46
47systm.print("Hello Lua world!\n")
48