xref: /illumos-gate/usr/src/cmd/false/false.c (revision bc0ee17c150fbf29e52c0ff365163e4e7b1c2f0a)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  *
26  * Copyright 2024 Oxide Computer Company
27  */
28 
29 #include <unistd.h>
30 
31 /*
32  * Exit with a non-zero value as quickly as possible.
33  *
34  * POSIX.1-2024 specifies an exit value between 1 and 125, inclusive, but a
35  * survey of various shell builtin versions and other operating systems shows
36  * that 1 is universally used, and some software erroneously expects exactly
37  * that. For best compatibility and least surprise, we elect to do the same.
38  */
39 
40 int
41 main(void)
42 {
43 	_exit(1);
44 	/*NOTREACHED*/
45 	return (0);
46 }
47