usr/src/cmd/setpgrp/setpgrp.c

   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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  26
  27 /*
  28         Set process group ID to this process ID and exec the command line
  29         that is the argument list.
  30 */
  31
  32
  33 #include <sys/types.h>
  34 #include <unistd.h>
  35 #include <stdlib.h>
  36 #include <stdio.h>
  37
  38 int
  39 main(int argc, char *argv[])
  40 {
  41         char    *cmd;
  42
  43         cmd = *argv;
  44         if (argc <= 1)  {
  45                 (void) fprintf(stderr, "Usage:  %s command [ arg ... ]\n", cmd);
  46                 exit(1);
  47         }
  48         argv++;
  49         argc--;
  50         (void) setpgrp();
  51         (void) execvp(*argv, argv);
  52         (void) fprintf(stderr, "%s: %s not executed.  ", cmd, *argv);
  53         perror("");
  54         return (1);
  55 }