Re: [PATCH v2 00/20] y2038: libcobalt: Allow both, native + time64_t interfaces at the same time

On 02.03.26 10:37, Florian Bezdeka wrote:
> Hi all,
> 
> The current time64_t / y2038 support switched libcobalt to time64_t
> only, removing the interfaces for the native time_t type.
> 
> With that series applied both worlds can live together in one libcobalt
> build which should hopefully increase the backward compatibility a bit.
> 
> All time64_t services have been moved into a separate compile unit that
> can be compiled twice now, if necessary. Unaffected environments like
> x86_64 won't do that. It's not necessary as the native type is already
> 64 bit.
> 
> The most tricky part where the __RT(), __STD() and __WRAP() macros.
> That has been solved by redirects on linker level.
> 
> To: Xenomai <[email protected]>
> Cc: Jan Kiszka <[email protected]>
> 
> Signed-off-by: Florian Bezdeka <[email protected]>
> ---
> Changes in v2:
> - SPDX headers for all created files
> - Add copyright notice to all created files
>   I checked all moved code parts for their previous authors and in case
>   there was a copyright notice in the old location I copied it over
> - Link to v1: https://lore.kernel.org/r/20260220-wip-flo-fix-time64-32bit-native-v1-0-731c773e72cc@siemens.com
> 
> ---
> Florian Bezdeka (20):
>       lib/cobalt: Introduce cond.h
>       lib/cobalt: Introduce mq.h
>       lib/cobalt: Introduce mutex.h
>       lib/cobalt: Introduce rtdm.h
>       lib/cobalt: Introduce wrappers_time64.c
>       lib/cobalt: clock: Move all time64 related services to wrappers_time64.c
>       lib/cobalt: cond: Move all time64 related services to wrappers_time64.c
>       lib/cobalt: mq: Move all time64 related services to wrappers_time64.c
>       lib/cobalt: mutex: Move all time64 related services to wrappers_time64.c
>       lib/cobalt: mutex: Provide time64 variant of pthread_timedmutex_lock_interruptible_np
>       lib/cobalt: rtdm: Move all time64 related services to wrappers_time64.c
>       lib/cobalt: select: Move select services into wrappers_time64.c
>       lib/cobalt: semaphore: Move time64 related services to wrappers_time64.c
>       lib/cobalt: signal: Move time64 related services to wrappers_time64.c
>       lib/cobalt: timer: Move all time64 related services to wrappers_time64.c
>       lib/cobalt: timerfd: Move time64 related services to wrappers_time64.c
>       lib/cobalt: Move XN_USE_TIME64_SYSCALL to wrappers_time64.c
>       lib/cobalt: Finally build the native time_t interfaces on top
>       lib/cobalt: thread: Cleanup and reorder includes
>       scripts/xeno-config: Allow disabling the y2038 / time64_t support
> 
>  include/cobalt/pthread.h      |   16 +-
>  include/cobalt/wrappers.h     |   13 +-
>  lib/cobalt/Makefile.am        |   27 +-
>  lib/cobalt/clock.c            |  309 +-----------
>  lib/cobalt/cond.c             |  154 +-----
>  lib/cobalt/cond.h             |   85 ++++
>  lib/cobalt/internal.h         |    5 -
>  lib/cobalt/mq.c               |  151 +-----
>  lib/cobalt/mq.h               |   39 ++
>  lib/cobalt/mutex.c            |  211 +-------
>  lib/cobalt/mutex.h            |   97 ++++
>  lib/cobalt/rtdm.c             |  105 +---
>  lib/cobalt/rtdm.h             |   37 ++
>  lib/cobalt/select.c           |  108 ----
>  lib/cobalt/semaphore.c        |   67 +--
>  lib/cobalt/signal.c           |   26 +-
>  lib/cobalt/thread.c           |    8 +-
>  lib/cobalt/timer.c            |  121 +----
>  lib/cobalt/timerfd.c          |   39 --
>  lib/cobalt/wrappers_time64.c  | 1097 +++++++++++++++++++++++++++++++++++++++++
>  scripts/xeno-config-cobalt.in |    5 +
>  21 files changed, 1439 insertions(+), 1281 deletions(-)
> ---
> base-commit: c7226edf0167451a290b9a82e7331a15cc88122b
> change-id: 20260219-wip-flo-fix-time64-32bit-native-8e5d8b7c7ca8
> 
> Best regards,

Thanks, applied.

Jan

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