SPUG: Is there a call that will break into the debugger?
cmeyer at helvella.org
Wed May 4 10:23:12 PDT 2005
On Wed, May 04, 2005 at 09:10:53AM -0700, Kevin Fink wrote:
> I always use $DB::single rather than $DB::signal, but both seem to work.
> Does anyone know what the differences between the two are? The man page
> is a bit ambiguous on the issue...
Yeah, ambiguous to be sure. From 'perldoc DB':
Single-step flag. Will be true if the API will stop at the
Signal flag. Will be set to a true value if a signal was
caught. Clients may check for this flag to abort time-consum-
This is written for the perspective of programmers of "clients", which
are debugging frontends. It seems like setting $DB::single may be more
appropriate. Debugging front ends would expect $DB::signal to be set
after ^C is pressed, or a signal is sent to the program via some other
More information about the spug-list