Xinhong Hu created a merge request: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1084
Project:Branches: aptacc2421/rtems:rtems#3791_mq_priority_commit_26_2_25 to rtems/rtos/rtems:main Author: Xinhong Hu ## Summary posix: Add mq_ispriority to mq_attr for per‑queue discipline selection This commit extends the POSIX message queue implementation to allow each queue to choose between FIFO and priority-based thread wakeup order. A new field `mq_ispriority` is added to the RTEMS-specific `struct mq_attr`: - 0 (default) selects FIFO discipline, preserving historical behavior. - 1 selects priority discipline, where the highest-priority waiting thread is woken when a message arrives. The `mq_open()` function now reads this field and passes the appropriate discipline (`CORE_MESSAGE_QUEUE_DISCIPLINES_FIFO` or `_PRIORITY`) to the core message queue. The default attributes structure is updated to set `.mq_ispriority = 0` to maintain backward compatibility. This change resolves issue #3791 by providing applications with explicit control over the queue discipline, while keeping the existing FIFO default unchanged. Updates #3791 ## Generative AI <!-- If you have used AI please use the "AI Contribution" template otherwise leave this blank see our fulls statement at https://www.rtems.org/generative-ai/--> <!-- Default settings, if it is a dropdown it will set after submission --> -- View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1084 You're receiving this email because of your account on gitlab.rtems.org.
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