Re: subtty field in process

[Jan D.]

>     > It looks like subtty is obsolete.  We could delete it,
>     > unless there is some system on which really using it would
>     > solve some problem today.
> 
>     I propose we delete it.  If it served some purpose it should have been
>     noticed over the last 8-9 years :-).
> 
> It MAY be the case that on some system it works better to do certain
> things to the subprocess (perhaps, send signals) using the tty desc
> rather than the pty desc.  I am not sure such a case ever exists, but
> there are some systems where sending signals to subprocesses doesn't
> work entirely right.

Indeed there are.

> I guess it is sufficient if I send this message to emacs-devel.  Then
> if we ever encounter a problem for which subtty would be a solution,
> with luck someone will remember that.

I can put in some comments about it.

> 
> So please do delete the code for subtty.

Will do.

>     Is this a change we want to put in RC as well?
> 
> We certainly don't want to delete the code for subtty in RC.
> We should make the minimum necessary changes there.
> 
> What change would you propose for RC?

I propose the attached patch.

        Jan D.

emacsRC.diff
Description: Text document