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 ...

Getting into the weeds of operating systems is daunting work. Especially when the operating system involved is a fully featured modern PC operating system with millions of lines of code all working ...

This two-part series addresses the use and misuse of two of the most essential synchronization primitives in modern embedded systems, the mutex (this part) and the semaphore (part 2). Mutexes and ...