RTEMS | SMP: Add support for the MPCP locking protocol (!1358)

Gedare Bloom (@gedare) gitlab at rtems.org
Wed Jul 22 00:34:09 UTC 2026




Gedare Bloom started a new discussion on cpukit/include/rtems/score/mpcpimpl.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1358#note_154976

 > + *
 > + * @return The priority of the MPCP control.
 > + */
 > +static inline Priority_Control _MPCP_Get_priority(
 > +  const MPCP_Control      *mpcp,
 > +  const Scheduler_Control *scheduler
 > +)
 > +{
 > +  uint32_t scheduler_index;
 > +
 > +  scheduler_index = _Scheduler_Get_index( scheduler );
 > +  return mpcp->ceiling_priorities[ scheduler_index ];
 > +}
 > +
 > +/**
 > + * @brief Sets priority of the MPCP control.

ceiling priority?

and it's for a specific scheduler, not the entire mpcp instance?

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1358#note_154976
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