Re: [PATCH V6 3/8] libgpiod: Add rust wrapper crate

[Bartosz Golaszewski <brgl@xxxxxxxx>]

On Thu, Sep 29, 2022 at 10:58 AM Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
>
> On Thu, 29 Sept 2022 at 13:07, Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> > I'm not talking about locking, this should be left to the user of the module.
>
> Yeah, I get that.
>
> > Can we force-drop an object still referenced by other objects in Rust?
>
> No, AFAICT.
>
> We can call drop(x) on an object, but as long as an reference to
> it is out there, we won't end up calling the actualy drop() routine
> for the object.
>
> > This is what I had in mind - a small, dummy, cheap object inside the
> > buffer that's created when reading into the buffer. Each even would
> > reference it and then Rust would not allow us to drop it as long as
> > there are references to it. Does it make sense? Is that possible?
>
> I don't think so.

Miguel: Could you give us advice on how to proceed with this?

Bart

>
> > Nah, just take the time off and rest. BTW, I'm starting at linaro next week. :)
>
> Excellent, welcome buddy :)
>
> --
> Viresh