Re: job control stuff in tracepoint.c

[Elena Zannoni <ezannoni at cygnus dot com>]

Mark Kettenis writes:
 > Ok, I'm looking into cleaning up some host-dependent stuff;
 > autoconfigifying bits and so on.
 > 
 > I'm currently looking into stuff dealing with job-control signals
 > (SIGTSTP. sigprocmask, sigsetmask).  In that context we also do some
 > really wierd stuff with a macro called STOP_SIGNAL.  The reason for
 > its existence has been eliminated (broken job-control handling on the
 > Convex, support for which has been removed), yet it still exists.  I'd
 > like to eleminate STOP_SIGNAL (and revert to using SIGTSTP where
 > appropriate), but when I did that I discovered that STOP_SIGNAL is
 > used in tracepoint.c wheras it isn't defined at all, not even to
 > SIGTSTP.  Replacing #ifdef STOP_SIGNAL, with #ifdef SIGTSTP leads to
 > compilation failure since the variable job_control isn't declared.
 > 
 > I'm not quite sure what the code is trying to do.  Something with
 > redisplaying the prompt when running asynchronously?  Elena, can you
 > shed some light on this?
 > 
 > Mark

Sure, I'll look into it. (Got a late start today).

Elena