On Tue, Jan 06, 2015 at 11:49:16AM +0300, Dan Carpenter wrote:
> On Mon, Jan 05, 2015 at 01:54:46PM -0500, Josef 'Jeff' Sipek wrote:
> > It does however run into
> > something it doesn't know how to deal with. Specifically, if I include
> > unistd.h, I get:
> >
> > /usr/include/unistd.h:565:26: error: attribute '__returns_twice__': unknown attribute
> >
> > This is because of:
> >
> > extern pid_t vfork(void) __RETURNS_TWICE;
> >
> > It looks like there are other functions that are annotated with the same
> > attribute (getcontext, setjmp, etc.).
>
> This is simple enough. It's also a Sparse thing. So I need to push it
> through their tree could you test this patch?
The patch squelches the error.
Thanks,
Jeff.
> diff --git a/parse.c b/parse.c
> index b43d683..4b167b2 100644
> --- a/parse.c
> +++ b/parse.c
> @@ -575,6 +575,7 @@ const char *ignored_attributes[] = {
> "__nothrow__",
> "regparm",
> "__regparm__",
> + "__returns_twice__",
> "section",
> "__section__",
> "sentinel",
>
--
All parts should go together without forcing. You must remember that the
parts you are reassembling were disassembled by you. Therefore, if you
can’t get them together again, there must be a reason. By all means, do not
use a hammer.
— IBM Manual, 1925
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