pty/fork and SIGINT

[Brian Sturk]

I'm using the pty module to to "control" a shell process
and I'm having a hard time getting SIGINT to be sent to
the processes spawned within it, i.e. ping <hostname>.

I've tried registering a handler via signal.signal and externally
sending it SIGINT with the pid returned from fork() using kill, 
and also using the returned pid from fork() to send it a signal.SIGINT
from within the script.  Nothing I've tried seems to work.

The script is a little large to post here but it basically
is run within the editor vim so there are a few variables at work.
I'm wondering if the problem is that I'm never returning control 
to the editor since I continually have data to be read().  I'm not
a signal/process guru so I'm unsure where to look. 

Any pointers/help would be great...

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