From: Florian Gross <flgr@...>
Date: 2004-11-17T00:48:18+09:00
Subject: Re: dev-utils/debug question

itsme213 wrote:

> Two questions:
> 
> - Can explicit breakpoints be leveraged to incrementally patch fixes/changes
> into a running app (during debugging)

Sure thing, after all you have a full-fledged irb shell and you can 
replace methods using it.

> - Can it be extended to take an external interrupt of some kind and enter a
> breakpoint?

Yup, though it will be a bit harder to get it to run in a specific 
context. I guess something like trap("SIGUSR1") { breakpoint } might do 
the trick.