xref: /illumos-gate/usr/src/cmd/setpgrp/setpgrp.c (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
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 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 /*
26 	Set process group ID to this process ID and exec the command line
27 	that is the argument list.
28 */
29 
30 
31 #include <sys/types.h>
32 #include <unistd.h>
33 #include <stdlib.h>
34 #include <stdio.h>
35 
36 int
37 main(int argc, char *argv[])
38 {
39 	char	*cmd;
40 
41 	cmd = *argv;
42 	if (argc <= 1)  {
43 		(void) fprintf(stderr, "Usage:  %s command [ arg ... ]\n", cmd);
44 		exit(1);
45 	}
46 	argv++;
47 	argc--;
48 	(void) setpgrp();
49 	(void) execvp(*argv, argv);
50 	(void) fprintf(stderr, "%s: %s not executed.  ", cmd, *argv);
51 	perror("");
52 	return (1);
53 }
54