I'm afraid you are poorly informed, and its not really a XAMMP issue, its an Apache issue. XAMPP uses the 'standard Apache model'. http://httpd.apache.org/docs/2.1/platfo ... .html#cust
It only is of consequence if you are using code that assumes it is on a Linux box, and is using direct manipulation of the worker processes.
It should not affect most things a developer will do, as the ASF developers have made the proper measures to handle things.
And, as for the rest - I guess you will have some work to do.