[Crash-utility] The "ctrl + c" doesn't work in crash

[Dave Anderson]

----- Original Message -----
> Hi Dave,
> 
> I found the "ctrl + c" doesn't work well in crash. Sometimes, we may
> type a wrong command and want to directly cancel it by "ctrl+c" like
> in the bash. But this combination only do seldom response, what I
> mean is I once see it works once or twice.
> 
> I also notice there was a mail thread talking about it:
> http://www.redhat.com/archives/crash-utility/2009-October/msg00006.html
> 
> But on the most new crash 6.0.4, simply ctrl+c three times or more
> would not lead to a new prompt...

SIGINT's are always caught, and it depends upon whether the command is
currently being fed into the scroller, and in some cases, the command
itself.  See the callers of received_SIGINT() for example.

Dave