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Object-oriented design patterns in the kernel, part 1Object-oriented design patterns in the kernel, part 1Posted Jun 10, 2011 13:08 UTC (Fri) by jond (subscriber, #37669)In reply to: Object-oriented design patterns in the kernel, part 1 by Cyberax Parent article: Object-oriented design patterns in the kernel, part 1
> This kind of code is BAD.
> For this reason: > ==================== > void somefunction() { > do_something(); > if (do_something_else()) > return; //Whoopsie! ✂ ✂ ✂ ✂ ✂
That isn't the example code I provided, at all. You've injected a return which I did not have in my code. My code, as written, will (in C) guarantee the last line to be executed if the process has not been terminated. Exceptions in C++ prevent you from making the same assertion, which is why you need RAII and/or
> If you use smart pointers it's even nicer:
stuff like smart pointers.
There's a good overview of using smart pointers and other techniques to ensure deterministic resource management here:
http://www.slideshare.net/eplawless/exception-safety-and-...
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