> On Mon, Sep 18, 2000 at 12:34:03PM +0200, Alan Cox wrote:
> > > The problem is really that SI_SIGIO is negative, but it should be positive
> > > to make SI_FROMUSER return false on it.
> > >
> > > Changing it would unfortunately break binary compatibility. This patch
> >
> > Why ?
>
> If a program checks info->si_code for incoming signals.
ok now what does the value the kernel passes have to do with the value we
write on the user stack - at the moment we blindly copy but we could just
use a tiny lookup table to 'dekernelize' the ID. In fact if you picked a bitflag
you could just mask it
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