RTEMS | SMP: Add support for the MPCP locking protocol (!1358)
Ivy Zhuang (@purple-affogato)
gitlab at rtems.org
Thu Jul 23 06:20:21 UTC 2026
Ivy Zhuang commented on a discussion on cpukit/include/rtems/score/mpcpimpl.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1358#note_155179
> + return mpcp->Wait_queue.Queue.owner;
> +}
> +
> +/**
> + * @brief Sets owner of the MPCP control.
> + *
> + * @param[out] mpcp The MPCP control to set the owner of.
> + * @param owner The desired new owner for @a mpcp.
> + */
> +static inline void _MPCP_Set_owner( MPCP_Control *mpcp, Thread_Control *owner )
> +{
> + mpcp->Wait_queue.Queue.owner = owner;
> +}
> +
> +/**
> + * @brief Gets priority of the MPCP control.
After some thinking, I went with "MPCP mutex" where it made sense. I kept "MPCP Control" in some places where it mainly refers to the MPCP_Control struct.
--
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1358#note_155179
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