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-rw-r--r--miscutils/setsid.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/miscutils/setsid.c b/miscutils/setsid.c
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+++ b/miscutils/setsid.c
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1/*
2 * setsid.c -- execute a command in a new session
3 * Rick Sladkey <jrs@world.std.com>
4 * In the public domain.
5 *
6 * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
7 * - added Native Language Support
8 *
9 * 2001-01-18 John Fremlin <vii@penguinpowered.com>
10 * - fork in case we are process group leader
11 *
12 * 2004-11-12 Paul Fox
13 * - busyboxed
14 */
15
16#include <stdio.h>
17#include <unistd.h>
18#include <stdlib.h>
19#include "busybox.h"
20
21int
22setsid_main(int argc, char *argv[]) {
23
24 if (argc < 2) {
25 bb_show_usage();
26 }
27
28 if (getpgrp() == getpid()) {
29 switch(fork()){
30 case -1:
31 bb_perror_msg_and_die("fork");
32 case 0:
33 break;
34 default: /* parent */
35 exit(0);
36 }
37 /* child falls through */
38 }
39
40 setsid(); /* no error possible */
41
42 execvp(argv[1], argv + 1);
43
44 bb_perror_msg_and_die(argv[1]);
45
46}