High Priority Task

Some articles on priority, task:

Rate-monotonic Scheduling - Avoiding Priority Inversion - Priority Inheritance
... Examples of priority inheritance algorithms include (from simplest to most complex) http//rt.wiki.kernel.org/index.php/Main_Page contains an implementation of this algorithm ... does not prevent deadlocks, but does prevent priority inversion ... The highest locker protocol which requires off-line analysis of all task conflicts to find a "ceiling priority" The priority ceiling protocol which is an enhancement of basic priority inheritance which assigns a ...
Priority Inversion - Solutions
... interrupts to protect critical sections When disabled interrupts are used to prevent priority inversion, there are only two priorities preemptible, and interrupts disabled ... With no third priority, inversion is impossible ... a particular hardware device's interrupt is disabled, priority inversion is reintroduced by the hardware's prioritization of interrupts ...

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