[LTP] [PATCH] Define SYS_futex on 32bit arches using 64-bit time_t

Khem Raj raj.khem@gmail.com
Mon Nov 16 19:03:35 CET 2020


On Mon, Nov 16, 2020 at 9:03 AM Petr Vorel <petr.vorel@gmail.com> wrote:
>
> Hi Khem,
>
> > On Sun, Nov 15, 2020 at 11:08 PM Petr Vorel <pvorel@suse.cz> wrote:
>
> > > Hi Khem,
>
> > > > Newer 32bit arches like RISCV32 and ARC are using 64bit time_t
> > > > from get go unlike other 32bit architecture therefore aliasing
> > > __NR_futex to
> > > > __NR_futex_time64 helps avoid the below errors
>
> > > > tst_checkpoint.c:99:17: error: use of undeclared identifier 'SYS_futex'
>
> > > Thanks for your fix.
>
> > > I wonder if this could be defined just in include/lapi/futex.h and this:
>
>
> > > https://github.com/pevik/ltp/commit/a20107ab47554798e0de0347dd4d7259f01675af
>
>
> > It could be but it did not work everywhere when I tried it I guess this
> > header has to be included in all needed placed
>
> Sure, but that's done :)
>
> You put the changes into 3 files:
> lib/tst_checkpoint.c
> testcases/kernel/syscalls/clone/clone08.c
> testcases/kernel/syscalls/futex/futextest.h
>
> Check the affected files:
>
> I put changes into include/lapi/futex.h
> and load it in
> testcases/kernel/syscalls/clone/clone08.c
>
> The other two (testcases/kernel/syscalls/clone/clone08.c
> testcases/kernel/syscalls/futex/futextest.h) already include lapi/futex.h.
>
> Are you sure it's failing when you try my patchset?
>

I tested https://github.com/pevik/ltp/commit/a20107ab47554798e0de0347dd4d7259f01675af
and it works fine. So please use this one.

> Kind regards,
> Petr


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