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From: Vladimir Prus <vladimir@codesourcery.com>
To: Michael Snyder <msnyder@specifix.com>
Subject: Re: Watchpoints with condition
Date: Tue, 04 Dec 2007 07:25:00 -0000
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On Tuesday 04 December 2007 04:50:50 Michael Snyder wrote:
> On Fri, 2007-11-30 at 19:25 +0300, Vladimir Prus wrote:
> > GDB presently allow a watchpoint to have a condition, and I wonder
> > what are the use-cases for that.
> > 
> > If anybody has used watchpoint in condition in practice when debugging
> > real problem (as opposed to just playing with gdb, or making up
> > possible uses), can he share why it was needed?
> 
> 
> May I ask, what prompts the question?
> Were you thinking of getting rid of it?

I'm merely trying to understand the use cases. One of the specific
concern is what happens if a watchpoint's condition refers to a global
variable in a library that is unloaded and if that scenario is of
interest to anybody.

- Volodya