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Message queues (SPSC → MPMC) Event flags (bitmask groups) Task notification API Timeout variants of IPC (hrt_sem_take_timeout, etc.)
No due dateCounting semaphores Mutex wrapper with basic priority inheritance Immediate handoff optimization on semaphore give Expanded unit tests (POSIX)
No due date•0/2 issues closedCortex‑M port: context switching, SysTick, PendSV STM32H7 compilation target Tick + timeslice enforcement Port abstraction cleanup (hrt_port_yield_to_scheduler) Example: Blinky / UART echo demo
No due date•11/11 issues closed