[ESS] Interactive SAS mode hangs

[Sparapani, Rodney]

> Hi Rodney,
> 
> If I type 'getenforce' at the command line, it returns 'command not found...'
> So I'm guessing we're not running SELinux, although I'm not an admin and am not sure.
 
I don't think that proves it.  For me, it is in /usr/sbin so try
/usr/sbin/getenforce

> Here's what it says when I run the command you suggested at the command line:
> + stdout=/dev/stdout
> + stderr=/dev/stderr
> + shift 2
> + set +x
> sas </dev/tty 1>/dev/stdout 2>/dev/stderr -stdio -noovp
> 
> And here's the comparable log when I look in the *SAS* window of ESS while in M-x SAS mode:
> + stdout=/dev/pts/9
> + stderr=/dev/pts/10
> + shift 2
> + set +x
> sas </dev/tty 1>/dev/pts/9 2>/dev/pts/10 -stdio -linesize 80 -noovp -nosyntaxcheck
> 
> I see some differences there, obviously, but I'm not clear enough on either the options or the structure of
> my machine to know whether those differences are bad... any thoughts?

That looks right.

> I also started M-x SAS mode (it does not hang at this step) and attempted to run a data step (this is where it
> hangs). Indeed, it hung again, and C-c C-c does not recover it. C-g does, and the only thing that appears in
> *SAS* is:
> 
> data want;
> 
> Nothing informative appears in either *SAS.log* or *SAS.lst*, either. The former stops in the same place
> (data want;) and the latter shows the following:
> 
> sh-4.2$ tty
> /dev/pts/9
> sh-4.2$ 

Other than it not working, everything looks right to me.  Sorry