On Tue, Mar 16, 2021 at 8:01 AM Sebastian Huber
<sebastian.hu...@embedded-brains.de> wrote:
>
> In order to improve the compatibility of RTEMS 5.2 with future version
> of RTEMS which fixed #4346 allow MrsP semaphores to be created with
minor note, this "fixed #4346" might get picked up by the Trac hook,
I'm not sure.
Otherwise I think this is ok.
> RTEMS_PRIORITY.
>
> Close #4347.
> ---
> cpukit/rtems/src/semcreate.c | 7 ++++++-
> testsuites/sptests/spmrsp01/init.c | 6 ------
> 2 files changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/cpukit/rtems/src/semcreate.c b/cpukit/rtems/src/semcreate.c
> index b57b635d85..ea89800685 100644
> --- a/cpukit/rtems/src/semcreate.c
> +++ b/cpukit/rtems/src/semcreate.c
> @@ -92,9 +92,14 @@ rtems_status_code rtems_semaphore_create(
> ) {
> variant = SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING;
> } else if (
> - mutex_with_protocol
> + ( mutex_with_protocol & ~RTEMS_PRIORITY )
> == ( RTEMS_BINARY_SEMAPHORE | RTEMS_MULTIPROCESSOR_RESOURCE_SHARING )
> ) {
> + /*
> + * In RTEMS 5.2 using RTEMS_FIFO and RTEMS_PRIORITY for MrsP semaphores
> is
> + * allowed. In RTEMS 6, RTEMS_PRIORITY is required for MrsP semaphores
> + * analogous to priority ceiling semaphores.
> + */
> #if defined(RTEMS_SMP)
> variant = SEMAPHORE_VARIANT_MRSP;
> #else
> diff --git a/testsuites/sptests/spmrsp01/init.c
> b/testsuites/sptests/spmrsp01/init.c
> index a5f645d534..801b679ec9 100644
> --- a/testsuites/sptests/spmrsp01/init.c
> +++ b/testsuites/sptests/spmrsp01/init.c
> @@ -70,12 +70,6 @@ static void test_mrsp_create_errors(void)
> | RTEMS_SIMPLE_BINARY_SEMAPHORE
> );
>
> - create_not_defined(
> - RTEMS_MULTIPROCESSOR_RESOURCE_SHARING
> - | RTEMS_BINARY_SEMAPHORE
> - | RTEMS_PRIORITY
> - );
> -
> create_not_defined(
> RTEMS_MULTIPROCESSOR_RESOURCE_SHARING
> | RTEMS_INHERIT_PRIORITY
> --
> 2.26.2
>
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