On Fri, Jun 5, 2009 at 9:48 AM, Danny Webster<dannywebs...@gmail.com> wrote:
> Hi,
>
> This may be more suited to a general D mailing list, but - i'm trying to
> analyse LWP activity on a system, and faltering at the first hurdle. The
> lwp_create() call is prototyped as:
>
> klwp_t * lwp_create(void (*proc)(), caddr_t arg, size_t len, proc_t *p, int
> state, int pri, const k_sigset_t *smask, int cid, id_t lwpid)
>
> This is currently the only call i'm probing, but I am having trouble
> accessing the proc_t structure; specifically it's members, such as p_ppid for
> instance.
>
> The error I am getting is:
>
> "operator -> cannot be applied to a forward declaration: no struct proc_t
> definition is available"
>
> .. and the code I have so far is:
>
> fbt:genunix:lwp_create:entry
> {
> self->ppid = ((struct proc_t *)arg3)->p_ppid;
> }
>
> Can anyone kindly shed some light on the errors with the cast please?
It looks like the type of the argument is "proc_t *" and not "struct proc_t *".
You might also try "args[3]", which gives you the typed argument.
Chad
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