Discussion
Consider the following statements about mutexes and semaphores.
1. A mutex has an owner 2. A semaphore may be given from an interrupt handler 3. A binary semaphore is eligible for priority inheritance
Answer: B
The first two are correct and are the practical distinctions. Inheritance needs an owner to promote, so a semaphore cannot participate in it however it is being used, which is the strongest argument for using a mutex where a lock is meant.
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