[Mono-devel-list] System.Diagnostic.Process and /dev/tty

[Miguel de Icaza]

Hello,

> I'm attempting to write a simple interface between C# and the GNU
> Privacy Guard, but I'm running into a problem.  Namely, whenever I set
> processObject.RedirectStandardInput to true, GnuPG will die screaming
> because it can't access /dev/tty.
> 
> Obviously, the best bet would be to tell GnuPG that it's being
> redirected and thus not to have a conniption.  I asked about this on
> GnuPG-devel some time ago and received no answer.  I'm hoping that
> there'll be a workaround somewhere in C# which will allow me to fool
> GnuPG into thinking it's got a tty.

This is a common Unix question.

The only way of doing this is to create a pseudo-terminal, but this is
highly unportable code and is very hard to get right.  

You might want to look at zvt, part of the old gnome-libs which contains
all the C magic to do this. 

Miguel