47 lines
806 B
C
47 lines
806 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<EFBFBD>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]);
|
|||
|
|
|
|||
|
|
}
|