source: branches/2.2.2/mindi-busybox/miscutils/setsid.c @ 1247

Last change on this file since 1247 was 821, checked in by Bruno Cornec, 14 years ago

Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)

File size: 829 bytes
Line 
1/* vi: set sw=4 ts=4: */
2/*
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
17#include "busybox.h"
18#include <stdio.h>
19#include <unistd.h>
20#include <stdlib.h>
21
22int setsid_main(int argc, char *argv[])
23{
24    if (argc < 2)
25        bb_show_usage();
26
27    if (getpgrp() == getpid()) {
28        switch(fork()){
29        case -1:
30            bb_perror_msg_and_die("fork");
31        case 0:
32            break;
33        default:    /* parent */
34            exit(0);
35        }
36        /* child falls through */
37    }
38
39    setsid();  /* no error possible */
40
41    execvp(argv[1], argv + 1);
42
43    bb_perror_msg_and_die("%s", argv[1]);
44}
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