> On 07/04/2022 10:36, Gabriel Moyano wrote:
> > ---
> > cpukit/include/sys/timepps.h | 4 ++++
> > cpukit/score/src/kern_tc.c | 7 +++++++
> > 2 files changed, 11 insertions(+)
> >
> > diff --git a/cpukit/include/sys/timepps.h
> > b/cpukit/include/sys/timepps.h index 621afb08ec..5703381ffa 100644
> > --- a/cpukit/include/sys/timepps.h
> > +++ b/cpukit/include/sys/timepps.h
> > @@ -32,7 +32,11 @@
> >
> > typedef int pps_handle_t;
> >
> > +#ifndef __rtems__
> > typedef unsigned pps_seq_t;
> > +#else /* __rtems__ */
> > +typedef Atomic_Uint pps_seq_t;
> > +#endif /* __rtems__ */
> >
> > typedef struct ntp_fp {
> > unsigned int integral;
> > diff --git a/cpukit/score/src/kern_tc.c b/cpukit/score/src/kern_tc.c
> > index e57da2c0ca..77f7a9212c 100644
> > --- a/cpukit/score/src/kern_tc.c
> > +++ b/cpukit/score/src/kern_tc.c
> > @@ -1932,10 +1932,17 @@ pps_fetch(struct pps_fetch_args *fapi, struct
> > pps_state *pps)
> > tv.tv_usec = fapi->timeout.tv_nsec / 1000;
> > timo = tvtohz(&tv);
> > }
> > +#ifndef __rtems__
> > aseq = atomic_load_int(&pps->ppsinfo.assert_sequence);
> > cseq = atomic_load_int(&pps->ppsinfo.clear_sequence);
> > while (aseq == atomic_load_int(&pps->ppsinfo.assert_sequence) &&
> > cseq == atomic_load_int(&pps->ppsinfo.clear_sequence)) {
> > +#else /* __rtems__ */
> > + aseq = atomic_load_acq_int(&pps->ppsinfo.assert_sequence);
> > + cseq = atomic_load_acq_int(&pps->ppsinfo.clear_sequence);
> > + while (aseq ==
> > atomic_load_acq_int(&pps->ppsinfo.assert_sequence) &&
> > + cseq == atomic_load_acq_int(&pps->ppsinfo.clear_sequence)) {
> > +#endif /* __rtems__ */
> > if (abi_aware(pps, 1) && pps->driver_mtx != NULL) {
> > if (pps->flags & PPSFLAG_MTX_SPIN) {
> > err = msleep_spin(pps, pps->driver_mtx,
>
> Why do you need this change?
>
If you mean why atomic_load_int() was replaced by atomic_load_acq_int(), it is
because atomic_load_int() is not defined in rtems but in rtems-libbsd.
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