hard20 pts · first answer countsrtosinterrupts

Taking a mutex in an ISR

Why must an ISR never try to take an RTOS mutex that a task might hold?

A.An ISR cannot block, and a mutex is owned by a task with priority inheritance, which has no meaning for an interruptB.Mutexes are slower than semaphoresC.ISRs cannot read global variablesD.Mutexes are only for tasks with the same priority

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Taking a mutex in an ISR

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