kern/99979: Get Ready for Kernel Module in C++

[Kamal R. Prasad]

On 7/12/06, Joerg Sonnenberger <joerg at britannica.bec.de> wrote:

> On Tue, Jul 11, 2006 at 11:37:52PM +0200, Attilio Rao wrote:
> > Even if I have no proof-of-concepts (so maybe somebody can show that
> > this is not fair), if we have setjmp/longjmp in the kernel we can have
> > a correct exception handling mechanism without not great problems.
>
> ROFL. Sorry, but using setjmp/longjmp is one of the worst possible
> implementation of exceptions since it is very expensive for the hot
> path, where you don't expect exceptions. They are called "exception" for
> a reason.


so how is exception handling in C++ more efficient than setjmp()/longjmp()
-in either paths?

thanks
-kamal



> Joerg
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