On Friday 22 June 2007 14:15, Bin Chen wrote:
> > > > On Thu, Jun 21, 2007 at 10:51:21AM +0800, Bin Chen wrote:
> > > > > I am using busybox-1.1 and I found the ctrl-c can't work when I
> > > > > telnet
> > > > > into the board, but ctrl-z can work.
> > > >
> > > > > Any idea?
> > > >
> > > > Does it work with current trunk or at least 1.6.0?
> > > > Did you read the FAQ (there is a ctrl-c entry)?
> > >
> > > I have not tried a higher version. I do read the FAQ and I know
> > > the /dev/console need to modified, but I mean telnet, which is pty not
> > > serial port.
> >
> > There was a bug with misplaced setsid detaching telnetd child process
> > from ctty.
> >
> > Please test newest busybox.
>
> Thank you. But I just diff the 1.6 with 1.1, both version's telnetd.c
> contains a setsid() in child. So I think it is not the reason.
setsid was not removed, it was MOVED UP before xopen here:
/* make new process group */
setsid();
/* open the child's side of the tty. */
/* NB: setsid() disconnects from any previous ctty's. Therefore
* we must open child's side of the tty AFTER setsid! */
fd = xopen(tty_name, O_RDWR); /* becomes our ctty */
dup2(fd, 0);
dup2(fd, 1);
dup2(fd, 2);
while (fd > 2) close(fd--);
Please actually try newest busybox. For me it works when I ran it like this:
sleep1000 is
int main() {
sleep(1000);
}
I run "telnetd -F -l ./sleep1000". Then I do
# telnet 127.0.0.1
Entering character mode
Escape character is '^]'.
[I'm pressing Ctrl-C]
Connection closed by foreign host
--
vda
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