blob: 41d9ef2ceb2b4f94c3f22f0df007082101d83342 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* vi: set sw=4 ts=4: */
/*
* setsid.c -- execute a command in a new session
* Rick Sladkey <jrs@world.std.com>
* In the public domain.
*
* 1999-02-22 Arkadiusz Mi�kiewicz <misiek@pld.ORG.PL>
* - added Native Language Support
*
* 2001-01-18 John Fremlin <vii@penguinpowered.com>
* - fork in case we are process group leader
*
* 2004-11-12 Paul Fox
* - busyboxed
*/
#include "busybox.h"
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
int setsid_main(int argc, char *argv[])
{
if (argc < 2)
bb_show_usage();
if (getpgrp() == getpid()) {
switch(fork()){
case -1:
bb_perror_msg_and_die("fork");
case 0:
break;
default: /* parent */
exit(0);
}
/* child falls through */
}
setsid(); /* no error possible */
execvp(argv[1], argv + 1);
bb_perror_msg_and_die("%s", argv[1]);
}
|
