un-catched segfault exception

[Christopher Wright]

BCS wrote:
> Christopher Wright wrote:
>> What you can do, though, is convert a signal to an exception. It's 
>> going to be a lot slower than just checking a pointer to see if it's 
>> null, but if you have traced exceptions, the debugging benefit is 
>> enormous. 
> 
> Why would this be slow? seg-v are caused by hardware. When a seg-v is 
> noticed it triggers an interrupt and the OS goes from there. Until you 
> get a seg-v there should be NO cost at all.
> 
> Am I missing something?

Handling an error will be slower. Handling a lack of an error will be 
faster.