blob: 110bb6bb6434f77bc91edcd7338a9200384ec64f [file] [log] [blame]
Bernhard Reutner-Fischerc89982d2006-06-03 19:49:21 +00001/* vi: set sw=4 ts=4: */
Paul Fox42403642005-08-01 22:52:09 +00002/*
3 * setsid.c -- execute a command in a new session
4 * Rick Sladkey <jrs@world.std.com>
5 * In the public domain.
6 *
7 * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
8 * - added Native Language Support
9 *
10 * 2001-01-18 John Fremlin <vii@penguinpowered.com>
11 * - fork in case we are process group leader
12 *
13 * 2004-11-12 Paul Fox
14 * - busyboxed
15 */
16
Denis Vlasenkob6adbf12007-05-26 19:00:18 +000017#include "libbb.h"
Paul Fox42403642005-08-01 22:52:09 +000018
Denis Vlasenko9b49a5e2007-10-11 10:05:36 +000019int setsid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
Bernhard Reutner-Fischerfebe3c42007-04-04 20:52:03 +000020int setsid_main(int argc, char **argv)
Mike Frysingere1d41b32006-03-23 02:07:41 +000021{
22 if (argc < 2)
Paul Fox42403642005-08-01 22:52:09 +000023 bb_show_usage();
Paul Fox42403642005-08-01 22:52:09 +000024
Denis Vlasenko53091ec2007-03-26 13:35:09 +000025 /* Comment why is this necessary? */
26 if (getpgrp() == getpid())
27 forkexit_or_rexec(argv);
Paul Fox42403642005-08-01 22:52:09 +000028
29 setsid(); /* no error possible */
30
Denis Vlasenko1d76f432007-02-06 01:20:12 +000031 BB_EXECVP(argv[1], argv + 1);
Denis Vlasenko0c97c9d2007-10-01 11:58:38 +000032 bb_simple_perror_msg_and_die(argv[1]);
Paul Fox42403642005-08-01 22:52:09 +000033}