In a classic scenario of priority inversion, a binary semaphore is named 'PRNT' to symbolize that it is being used to regulate the access of tasks to a printer. It is initialized with a count of one ...
When tasks share resources, as they often do, strange things can and will happen. Priority inversions in embedded systems can be particularly difficult to anticipate. Here’s an introduction to ...
Modern real-time operating systems support multitasking with a priority-based pre-emptive scheduler. Each concurrent task (or “thread”) in an application program is assigned a priority number. It is ...
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