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getty: add commented-out extended error diagnostic

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2012-08-16 13:29:25 +02:00
parent dba7094d62
commit 45c35e9de0
1 changed files with 8 additions and 0 deletions
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8
loginutils/getty.c
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@ -549,7 +549,15 @@ int getty_main(int argc UNUSED_PARAM, char **argv)
*/ */
pid = getpid(); 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"); bb_perror_msg_and_die("setsid");
}
/* Looks like we are already a session leader. /* Looks like we are already a session leader.
* In this case (setsid failed) we may still have ctty, * In this case (setsid failed) we may still have ctty,
* and it may be different from tty we need to control! * and it may be different from tty we need to control!