[Crash-utility] crash CPU bound waiting for user response

[Dave Anderson]

> D. Hugh Redelmeier wrote:

>> | Anyway, I'm going to have to be able to reproduce it and test any
>> | changes thoroughly before potentially re-introducing the hangs I
>> | used to see.
>>
>> Sure.  And my suggestion was not tested even by me.  It was only part
>> of an argument showing that the current code is wrong.

Yeah, but I'm still paranoid about re-introducing the hang I used
to see.

I think I'll just put a "stall(1000);" call after each waitpid().
Works for me...

Dave