Re: Fix needed for communication with gpg-agent

[Chong Yidong]

Werner Koch <address@hidden> writes:

>> However, enabling pinentry to read from the tty probably requires
>> setting the tty's process group to the one that pinentry is in.  That
>> will probably have the effect that Emacs can't read from the tty
>> during that time.  If so, that is ok.
>
> The problem is that I have found no way to set pinentry as the
> foreground process.  tcsetpgrp() won't work because pinentry runs in a
> different session (is is being called by gpg-agent which has used
> setsid).

...and since processes are not allowed to migrate between sessions,
this approach is pretty much sunk.