diff options
Diffstat (limited to 'miscutils/setsid.c')
-rw-r--r-- | miscutils/setsid.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/miscutils/setsid.c b/miscutils/setsid.c new file mode 100644 index 000000000..347b2babd --- /dev/null +++ b/miscutils/setsid.c | |||
@@ -0,0 +1,44 @@ | |||
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 | |||
22 | int 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 | } | ||