Re: Get exit code of a executed remote command

[Thomas Mayer <tm.telemotive@xxxxxx>]

Hi Oliver,

that seems to work, thanks a lot for your help!
By the way I figured out that ssh_channel_send_eof() instead of 
ssh_channel_close() also works.


Regards,

Thomas

> The function is quite flakey, because of issue in the way the close
> flag is handled internally. I had to do two things:
>
> 1. call ssh_channel_close() before you call
> ssh_channel_get_exit_status()
> 2. put ssh_channel_get_exit_status() in a loop and wait for the
> result to be not -1. I am waiting 20 times 50ms.
>
> This have been very reliable in using it with dozens, maybe even
> hundreds or thousands of machines in the past few months.
>
> As a side note, you might also run into this problem with buggy SSH
> daemons. There was apparently a dropbear version, that didn't always
> send the exit status.
>
> > Hi,
> >
> > I tried to run a command on a remote host via "ssh_channel_request_exec"
> > and get the the exit code back. My problem is that
> > "ssh_channel_get_exit_status" returns always -1.
> >
> > Any idea what I'm doing wrong?
> >
> >
> > Thanks in advance,
> >
> > Thomas