On Sun, 1 Jul 2007, Ulrich Drepper wrote:
> On 6/30/07, Davide Libenzi <[email protected]> wrote:
> > This is how all those overloaded syscalls looks like, BTW:
> > [...]
> > How would you do that with a single shared strcture, w/out adding in all
> > signal paths the knowledge of the structure?
>
> You said it yourself: each individual wrapper would look like this.
> Generalization really isn't possible, you'll have each wrapper syscall
> looking different. This means there is no reason to try coming up
> with some overly complicated data structure which would only be useful
> if the processing of that data structure could be centralized.
With the current API design you'd able to easily confine the "pre" code
inside the "set" function, and the "post" code inside the "unset"
function. It looks pretty clean to me, and allows to limit the knowledge
of sys_indirect, the more as possible inside kernel/indirect.c.
- Davide
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