On 10/20/2010 11:14 AM, Andreas Schwab wrote:
> Ken Brown<kbrown@cornell.edu>  writes:
>
>> The macro EMACS_GET_TTY_PGRP defined in src/systty.h uses either
>> tcgetpgrp or TIOCGPGRP to get the PGID of a terminal's foreground
>> process group.  But src/process.c defines and uses its own
>> emacs_get_tty_pgrp that only works on systems that have TIOCGPGRP.  Is
>> there a good reason for this?
>
> Is "historical accident" a good reason? :-)

Sure.

It turned out that emacs_get_tty_pgrp has different arguments than its 
uppercase cousin, so I didn't get rid of it.  But I used the macro 
inside the function instead and got rid of all ifdefs involving 
TIOCGPGRP.  Does the attached patch look OK?

Ken