[Boston.pm] Calling a function that will return to where the grandparent called the parent

Hi All,

I'm looking for a quick and easy way to have this situation happen:

sub Plort {
    ...
    ...
   Foo();
    ...
}

sub Foo {
    ...
    ...
    Error();
    ...
}


I want it to happen that when Error() is called, when Error() finishes doing
what it does it returns you to it's parent's parent (Plort() in this case).
I don't want to have to specify anything.
I want it to always return you to where Error()'s grandparent called it's
parent.

Any ideas of how to do this?

Thanks.
--Alex