* a session leader - which is quite possible for getty!
*/
pid = getpid();
- if (getsid(0) != pid)
+ if (getsid(0) != pid) {
+ //for debugging:
+ //bb_perror_msg_and_die("setsid failed:"
+ // " pid %d ppid %d"
+ // " sid %d pgid %d",
+ // pid, getppid(),
+ // getsid(0), getpgid(0));
bb_perror_msg_and_die("setsid");
+ }
/* Looks like we are already a session leader.
* In this case (setsid failed) we may still have ctty,
* and it may be different from tty we need to control!