hush/miscutils/setsid.c
2006-01-25 00:08:53 +00:00

47 lines
805 B
C

/*
* 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 <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include "busybox.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(argv[1]);
}